The importance of sentinel lymph node biopsy following neoadjuvant chemotherapy in patients with breast cancer: prospective multicentre trial.

INTRODUCTION: The role of sentinel lymph node biopsy (SLNB) in patients with breast cancer after neoadjuvant chemotherapy (NAC) is currently under discussion. The aim of our study was to determine the false negativity rate (FNR) of SLNB, the accuracy of ultrasound examination in the evaluation of the status of lymph nodes and the accuracy of perioperative cryobiopsy of the sentinel lymph node (SLN). METHODS: Prospective multicentre study, which took place in years 20182020 at three centres in the Czech Republic. A total of 59 patients were evaluated. RESULTS: The FNR of SLNB in the group of patients with cN1 before NAC and ycN0 after NAC was 12.5%. The FNR of perioperative histological examination of the SLN was 38.5%. The FNR of ultrasound examination of axillary lymph nodes in patients after NAC was 35.5%, and the false positivity rate was 16.7%. The incidence of inflammatory complications in our cohort was 3.3%. CONCLUSION: The FNR of SLNB in the group of patients with cN1 before NAC and ycN0 after NAC exceeds the tolerable limit of 10%. The FNR of perioperative histological examination of the SLN is high; definitive histological examination of the SLN may change the original diagnostic-therapeutic plan. Ultrasound examination of the axillary lymph nodes in patients after NAC is a method with high false negativity and positivity and may not correspond with the perioperative finding. The incidence of inflammatory complications in our cohort in patients after NAC is comparable to literature data on the frequency of complications in patients without NAC.

Harmonic scalpel versus traditional ligation in axillary dissection for breast cancer: a retrospective multivariate analysis.

INTRODUCTION: The aim of this pilot retrospective study is to evaluate the complication rate in patients after axillary dissection comparing preparation with harmonic scalpel vs traditional ligation technique, and to analyse risk factors for complications occurrence. METHODS: 144 patients with 148 axillary dissections operated in a single centre between January 2014 and 2019 were included into the study. Axillary dissection was performed using harmonic scalpel in 73 and absorbable ligations in 70 cases. RESULTS: Seroma formation was observed in 41 patients (56.2%) in the harmonic scalpel group and in 21 patients (30.0%) in the ligations group (p=0.003). The mean period from the surgery to drain removal was 4.0 days in the harmonic scalpel group and 3.0 days in the ligations group (p<0.001). The mean amount of the drained fluid after mastectomy was 300.9 ml in the harmonic scalpel group and 168.7 ml in the ligations group (p=0.005); after breast conserving surgery, it was 241.9 ml and 107.4 ml, respectively (p =0.023). CONCLUSION: In comparison with traditional ligations with absorbable material, axillary dissection using harmonic scalpel significantly increases the risk of postoperative seroma formation, prolongs the time from the surgery to drain removal, and increases the amount of drained fluid.

Treatment strategies for patients with colorectal carcinomaand synchronous liver metastases.

Multimodal approach in the management of patients with colorectal carcinoma and synchronous liver metastases allows for the application of various combinations of treatment modalities (colorectal resection, liver resection, chemotherapy, radiotherapy). The primary-first approach and simultaneous resection represent traditional strategies used because the primary tumor is thought to be the main source of subsequent metastases as well as the source of symptoms associated with local tumor progression (obstruction, perforation, colorectal bleeding). Poor long-term outcomes of traditional strategies have led to the proposal of reverse strategies (the liver-first approach and up-front hepatectomy approach). The idea behind reverse strategies is to give preference to liver resection over colorectal resection (prognosis of patients with stage IV colorectal cancer is determined mainly by the curability of liver metastases). According to available literature, reverse strategies are suitable mainly for patients with asymptomatic primary tumor. Treatment strategy for each patient should be individualized depending on the patients performance status, comorbidities, and tumor stage. In this paper, the authors offer an up-to-date review of treatment strategies for patients with colorectal carcinoma and synchronous liver metastases focusing on available data of evidence-based medicine. Key words: liver first - primary first - colorectal carcinoma - liver metastases - reverse strategies.

Advancement in liver laparoscopic resection - development of a new surgical device.

Liver resection is the standard treatment for any liver lesion. Laparoscopic liver resection is associated with lower intra-operative blood loss and fewer complications than open resection. Access to the posterior part of the right liver lobe is very uncomfortable and difficult for surgeons due the anatomic position, especially when employing laparoscopic surgery. Based on these experiences, a new laparoscopic device was developed that is capable of bending its long axis and allowing the application of radiofrequency energy in areas that were not technically accessible. The device is equipped with four telescopic needle electrodes that cause tissue coagulation after the delivery of radiofrequency energy. Ex vivo testing was performed in 2012 and 2014 at the University Hospital, Ostrava, on a porcine liver tissue. The main goal of this testing was to verify if the newly proposed electrode layout was suitable for sufficient tissue coagulation and creating a safety zone around lesions. During the ex vivo testing, the material of needle electrodes was improved to achieve the lowest possibility of adhesion. The power supply was adjusted from 20 to 120 W and the ablation time, which varied from 10 to 110 s, was monitored. Subsequently, optimal power delivery and time for coagulation was determined. This experimental study demonstrated the feasibility and safety of the newly developed device. Based on the ex vivo testing, LARA-K1 can create a safety zone of coagulation. For further assessment of the new device, an in vivo study should be performed.

Advancement in liver laparoscopic resection - development of a new surgical device

Liver resection is the standard treatment for any liver lesion. Laparoscopic liver resection is associated with lower intra-operative blood loss and fewer complications than open resection. Access to the posterior part of the right liver lobe is very uncomfortable and difficult for surgeons due the anatomic position, especially when employing laparoscopic surgery. Based on these experiences, a new laparoscopic device was developed that is capable of bending its long axis and allowing the application of radiofrequency energy in areas that were not technically accessible. The device is equipped with four telescopic needle electrodes that cause tissue coagulation after the delivery of radiofrequency energy. Ex vivo testing was performed in 2012 and 2014 at the University Hospital, Ostrava, on a porcine liver tissue. The main goal of this testing was to verify if the newly proposed electrode layout was suitable for sufficient tissue coagulation and creating a safety zone around lesions. During the ex vivo testing, the material of needle electrodes was improved to achieve the lowest possibility of adhesion. The power supply was adjusted from 20 to 120 W and the ablation time, which varied from 10 to 110 s, was monitored. Subsequently, optimal power delivery and time for coagulation was determined. This experimental study demonstrated the feasibility and safety of the newly developed device. Based on the ex vivo testing, LARA-K1 can create a safety zone of coagulation. For further assessment of the new device, an in vivo study should be performed.

[Minimally invasive liver resections]. / Miniinvazivní resekce jater.

INTRODUCTION: Laparoscopic surgery is a standard and preferred modality of surgical treatment. Progress in laparoscopic procedures and the development of dedicated technology have made it possible to approach laparoscopic liver resections in selected patients. Initially operations were performed for benign and peripheral lesions, but nowadays more than 50% of total laparoscopic surgery is due to malignancy. METHOD: We conducted a literature search using Pubmed; by entering the keywords "Laparoscopic Liver Resection" we obtained a set of publications focused on this issue. We limited the selection to the period from 1991 to the present. Additionally, the selection was limited to reviews, prospective randomized trials or cohort studies. Also, we selected publications in the English and Czech languages. RESULTS: On the basis of the search, we identified 2345 publications, of which the abovementioned criteria were satisfied by 319 papers. Of these, 312 publications were in English and 7 in the Czech language. 59% of the searched publications were published in the last 5 years, which gives evidence of progression of the laparoscopic liver resection method. CONCLUSIONS: Laparoscopic liver resections are considered as safe for both benign and malignant lesions with comparable oncological outcomes compared to open resections. They also provide better short-term results such as a shorter hospital stay, lower overall costs, lower postoperative pain, reduced blood loss, earlier intestinal recovery, generally shorter convalescence of the patient, better cosmetic results and a lower rate of complications.Key words: laparoscopic liver resections - hand-assisted laparoscopy.

[Alarmins and surgical injury]. / Alarminy a chirurgické trauma.

Surgical intervention is an inseparable part of the management of serious surgical disease. However, surgery also presents a potential risk related to the so-called surgical injury causing immune response. When dysregulated the immune activation is able to cause local complications (i.e. wound dehiscence, impaired healing). Systemic decompartmentization of the immunologic disturbance can negatively influence long-term outcomes (i.e. hospital length of stay, mortality). Due to aseptic conditions in the operating room, such an immune activation is almost always of sterile nature. This involves the release of alarmins, protein-based molecules of the damage-associated molecular patterns family. The group includes e.g. high-mobility group box 1, heat-shock proteins, proteins S100A, and more. Under normal conditions, alarmins fulfil their physiologic intracellular functions. When the cell is stressed and/or damaged, alarmins are released into the extracellular space where they probably play their cytokine-like roles activating preferably the innate immune system. A number of experimental and clinical publications have been published concerning the role of alarmins in various acute and chronic diseases. However, to date a potential relationship between alarmins and surgical injury has not been extensively studied. Identification of alarmins that influence the pathological physiology of surgical trauma might play a role in the improvement of monitoring and predicting outcomes after major surgery.Key words: alarmins immune response major surgery sterile injury.

[The risks of retroperitoneoscopic adrenalectomy]. / Rizika retroperitoneoskopické adrenalektomie.

INTRODUCTION: Minimally invasive adrenalectomy has become the gold standard for surgery of the suprarenal gland. Retroperitoneoscopic adrenalectomy with dorsal approach is preferred. The aim of our case report is to discuss potential complications that may arise from retroperitoneoscopic adrenalectomy, specifically an intra-operative injury of the inferior vena cava. CASE REPORT: A 47-year-old male patient was admitted to undergo elective adrenalectomy on the right side. The reason for the surgery was a hormonally active adenoma with clinical signs of Conns syndrome. Biochemistry revealed the typical signs of hyperaldosteronism. A one-year history of unsuccessful treatment for hypertension was known. Ultrasound examination showed an enlarged suprarenal gland on the right side with the diameter of 5.2 cm. A CT scan confirmed the results of the ultrasound examination. Retroperitoneoscopic adrenalectomy was performed. The inferior vena cava was intraoperatively injured. The high pressure in the retroperitoneal space prevented bleeding. The injury to the vena cava was treated using a continuous stitch without the necessity of conversion to open surgery. The patient was discharged on the third postoperative day without any other complications. CONCLUSIONS: Retroperitoneoscopic approach is regarded by many authors as the new gold standard for adrenalectomy. However, very serious complications such as an injury of the inferior vena cava may occur. It is possible to treat this injury using retroperitoneoscopy. The risk of air embolization due to elevated pressure in the retroperitoneum (20 mm Hg) and open lumen of the IVC needs to be taken seriously.Key words: adrenalectomy - retroperitoneoscopy - complication.

[Complete minimally invasive Ivor-Lewis esophageal resection]. / Kompletní miniinvazivní Ivor-Lewisova resekce jícnu.

INTRODUCTION: Minimally invasive esophagectomy is becoming a standard procedure in the treatment of esophageal cancer. We would like to present our experience with Ivor Lewis esophagectomy completed by minimally invasive technique. METHODS: The primary aim of the study was to analyse potential technical difficulties and intraoperative complications of thoracolaparoscopic Ivor Lewis esophagectomy with intrathoracic anastomosis. A secondary aim of the study was to evaluate postoperative complications according to the Clavien-Dindo classification. The inclusion criterion for the study was a history of thoracolaparoscopic esophagectomy. Multidisciplinary approach was employed in the diagnosis, surgery indications and perioperative care of all patients. RESULTS: Between January 2011 and January 2016, 19 patients underwent completely minimally invasive esophagectomy with intrathoracic anastomosis. There were 13 men and 6 women. Adenocarcinoma was confirmed by histopathological examination in all the patients. The cumulative postoperative morbidity was 68.4%. According to the Clavien-Dindo classification, we recorded grade I complications in 10.5% of the patients, grade II in 15.8%, grade III in 36.8% and grade IV in 5.3% of the patients. Anastomotic leak was the most serious complication; it was initially managed by negative pressure (vacuum) therapy followed by stent implantation. Postoperative mortality was 0%. Mean hospital stay was 12 days and mean stay at intensive care unit was 3.6 days. CONCLUSIONS: The basic oncosurgical principles of radicality need to be respected during minimally invasive procedures. However, functionality, safety, and cost effectiveness have to be preserved as well. In this paper, we present thoracolaparoscopic Ivor Lewis esophagectomy as one of feasible and accessible options of intrathoracic anastomosis. It seems to be safe with respect to technical obstacles, short-term and long-term complications.Key words: esophagectomy - intrathoracic - anastomosis - laparoscopy - thoracoscopy.

[Primary malignant small bowel tumors]. / Primární zhoubné nádory tenkého streva.

INTRODUCTION: Small bowel presents 75% of the gut length and 90% of the gut surface. However, primary malignant tumors of the small bowel represent only 1-3% of all malignant gastrointestinal tumors. The aim of the present paper is to offer a current review of primary malignant small bowel tumors - their epidemiology, localization, symptoms, diagnostic and treatment options. METHODS: The authors have performed a comprehensive review of databases Medline, Scopus and Google Scholar focusing on studies regarding small bowel cancer. RESULTS: The most frequent small bowel tumors are adenocarcinoma (30-40%), neuroendocrine tumors (35-44%), lymphomas (10-20%) and gastrointestinal stromal tumors (12-18%). Symptomatology is non-specific and varies widely, which is why small bowel cancer is usually diagnosed in a locally advanced stage of the disease. Diagnosis is determined through standard methods (gastroscopy, colonoscopy, CT) and complementary special diagnostic modalities (capsule enteroscopy, enteroscopy, octreotide scan, etc.). Diagnostic process with a negative outcome frequently leads to diagnostic laparoscopy/laparotomy.The treatment of small bowel cancer in patients operated in acute settings is done according to acute abdomen management guidelines. Elective surgery of small bowel cancer differs with respect to the tumor type. Adenocarcinomas and neuroendocrine tumors should be treated with surgical R0 resection with radical lymphadenectomy (and multivisceral resection if necessary). Patients with GIST should undergo en bloc resection with 2-3cm safety resection margins (lymphadenectomy is not necessary). Palliative resection of neuroendocrine tumors can be associated with a significant clinical effect. On the other hand, palliative resection of adenocarcinomas of GIST is not advocated. CONCLUSION: Small bowel cancer is an infrequent condition. Symptoms are non-specific; patients are often diagnosed in an advanced stage of the disease. Achieving R0 surgical resection is usually difficult due to locally advanced stage of the disease. Besides the tumor type, patients prognosis is influenced by very late diagnosis of the tumor. KEY WORDS: primary tumor - small intestine - diagnostics - treatment options - surgical resection.

[Rare injury of perineum and anorectum - case report]. / Raritní poranení hráze a anorekta kazuistika.

UNLABELLED: Anorectal injuries, with the exception of iatrogenic damage, are rare. Considering the extensive range of causes and potential extent of damage, the diagnosis and treatment of these injuries requires an individual approach to every patient. Based on the extent of damage, the best way of treatment strategy has to be selected for successful treatment of the primary injury and elimination of frequent complications, especially fecal incontinence. The authors present a rare injury of the perineum and anorectum with anorectal sphincter damage in an elderly man after falling down from a stepladder. KEY WORDS: anorectum - anorectal trauma - anal sphincter.

[Laparoscopic resection rectopexy in the treatment of obstructive defecation syndrome]. / Laparoskopická resekcní rektopexe v lécbe obstrukcního defekacního syndromu.

INTRODUCTION: Obstructive defecation syndrome (ODS) presents a common medical problem, which can be caused by various pelvic disorders; multiple disorders are frequently diagnosed. At the present, a high number of corrective techniques are available via various surgical approaches. Laparoscopic resection rectopexy is a minimally invasive technique, which comprises redundant sigmoidal resection with rectal mobilisation and fixation. METHODS: The aim of this paper was to evaluate the safety and effectiveness of laparoscopic resection rectopexy in the treatment of patients with ODS. The evaluation was performed via our own patients data analysis and via literature search focused on laparoscopic resection rectopexy. RESULTS: In total, 12 patients with ODS undergoing laparoscopic resection rectopexy in University Hospital Ostrava during the study period (2012-2015) were included in the study. In our study group, mean age was 64.5 years and mean BMI was 21.9; the group included 11 women (91.6%). ODS was caused by multiple pelvic disorders in all patients. Dolichosigmoideum and rectal prolapse (internal or external) were diagnosed in all included patients. On top of that, rectocoele and enterocoele were diagnosed in several patients. Laparoscopic resection rectopexy was performed without intraoperative complications; mean operative time was 144 minutes. Mean postoperative length of hospital stay was 7 days. Postoperative 30-day morbidity was 16.6%. All postoperative complications were classified as grade II according to Clavien-Dindo classification. Mean preoperative Wexner score was 23.6 points; mean score 6 months after the surgery was 11.3 points. Significant improvement in ODS symptoms was noted in 58.3% of patients, and a slight improvement in 16.6% of patients; resection rectopexy provided no clinical effect in 25% of patients. CONCLUSION: It is fundamental to carefully select those patients with ODS who could possibly profit from the surgery. Our results, in accordance with published data, suggest that laparoscopic resection rectopexy is a valuable surgical technique in the treatment of patients with ODS caused by multiple pelvic disorders. KEY WORDS: obstructive defecation syndrome - constipation - resection rectopexy - operative techniques - pelvic floor disorders.

[Current status regarding surgical treatment of pancreatic cancer in the Czech Republic]. / Aktuální stav chirurgické lécby karcinomu pankreatu v Ceské republice.

INTRODUCTION: The aim is to map the current situation in the surgical treatment of pancreatic cancer in the Czech Republic. This information has been obtained from surgical treatment providers using a simple questionnaire and by identifying the so called high volume centres. The information has been collected in the interest of organizing and planning research projects in the field of pancreatic cancer treatment. METHOD: We addressed centres known to provide surgical treatment of pancreatic cancer. A simple questionnaire formulated one question about the total number of pancreatic resections, also separately for the diagnoses PDAC - C25, in the last two years (2014 and 2015). Other questions focused on the use of diagnostic methods, neoadjuvant therapy, preoperative assessment of risks, the possibility of rapid intraoperative histopathology examination, Leeds protocol, monitoring of morbidity and mortality including long-term results, and the method of postoperative follow-up and treatment. ÚZIS (Institute of Health Information and Statistics of the Czech Republic) was addressed with a request to analyze the frequency of reported total numbers for DPE, LPE, TPE and to do the same with respect to diagnosis C 25 for the last two years, available for the entire Czech Republic (2013, 2014). RESULTS: Altogether 19 institutions were identified by the preceding audit, which reported more than 10 pancreatic resections annually; these institutions were addressed with the questionnaire. Sixteen institutions responded to the questions, 13 of them completely. CONCLUSION: The majority of potentially radical surgeries for PDAC in the Czech Republic are carried out at 6 institutions. All of the institutions that participated in the survey collect data about morbidity and mortality and monitor their results. KEY WORDS: pancreas cancer outcomes surgery.

[Pruritus ani]. / Pruritus ani.

INTRODUCTION: Pruritus ani is defined as a dermatologic disease characterized by itching and/or burning in the perianal area. It occurs in 15% of the population. Men are affected more frequently than women, in the ratio 4:1. It is accompanied by an irresistible desire to scratch in the perianal area. Pruritus ani is divided into two subtypes: primary (idiopathic) and secondary. In idiopathic (primary) pruritus it is not possible to detect any other cause of itching. Secondary pruritus has an obvious causal origin.The aim of this paper is to offer a complex overview of possible causes, diagnostic procedures and treatment possibilities of this unpleasant and annoying disease. METHODS: We have researched available publications using PubMed and MEDLINE databases, focusing on articles on anal pruritus. At first the key word "Pruritus ani" was put in without any restrictions. Subsequently, we limited the selection by the time period of 5 years and 10 years; then we looked up articles in English, German and Czech languages, and finally review articles, clinical trials and others. RESULTS: 574 articles were found without entering any restrictions; 45 of them were review articles and 25 clinical trials. 437 articles were in the English language and 40 of them were review articles. 44 were in the German language and 1 of them was a review article. A total of 33 articles were found with a 5-year time limit. 6 of them were review articles and 4 were clinical trials. 66 articles from the last 10 years were found. 14 of them were review articles and 10 were clinical trials. In most of the other articles among the total number of articles found, pruritus ani was mentioned only marginally in articles focused on different topics. We have not found any summary articles on this topic in Czech publications. CONCLUSION: Pruritus ani is a common disease with a number of causes; therefore, effective treatment may be insufficient in the initial stages. The therapy is focused on the primary cause, if found. Broad differential diagnosis options need to be taken into consideration, and reevaluation of the therapy is a priority. When no obvious secondary cause is found, the empiric treatment is focused on an improvement of hygiene and change in the life style, removal of common irritators, and protection of perianal skin.

[Acute abdominal surgery in pregnancy - as viewed by the surgeon]. / Operace v tehotenství pro náhlé príhody brisní z pohledu chirurga.

INTRODUCTION: Acute abdomen during pregnancy presents very specific problem on the boundary of surgery and gynaecology. Although gynaecologists provide healthcare to pregnant women, surgery indication because of acute abdomen during pregnancy should be done by surgeon (who has usually little knowledge and experience regarding pregnant women examination and management). There is therefore real opportunity for possible mistakes origin with serious consequences for mother and foetus. METHODS: Literature search in PubMed was done aimed at studies within the last 10 years dealing with appendectomy, cholecystectomy and laparoscopy during pregnancy in the context of acute abdomen. Surgical interventions done from obstetrics indications were excluded. RESULTS: Pregnancy is associated with many anatomical and physiological changes which have to be considered not only during clinical examination, but also when analysing laboratory findings and considering operative tactics. Imaging modalities employment during pregnancy is very limited due to harmful effect of ionising radiation and not clear impact of strong magnetic field on the foetus. Timing of surgical interventions because of acute abdomen during pregnancy should be the same as timing of acute abdomen interventions in non-pregnant patients. Minimally invasive surgery in acute abdomen during pregnancy presents standard technique nowadays. Many advantages of laparoscopic approach (lower rate of surgical site infections, quicker convalescence etc.) are valid also during pregnancy. CONCLUSION: Acute abdomen during pregnancy should be managed within a multidisciplinary cooperation between gynaecologist, surgeon, anaesthesiologist and neonatologist. With respect to results of published studies, laparoscopic approach in the management of acute abdomen during pregnancy should be considered safe and effective.

[Current standards of care in the management of patients with abdominal sepsis]. / Soucasné standardy v péci o pacienty s brisní sepsí.

INTRODUCTION: Abdominal sepsis patient management is an issue of high current importance, and the amount of knowledge keeps increasing and changing the approach to critically ill patients with abdominal sepsis. METHODS: Literature search (in MEDLINE, PubMed and Google Scholar databases) was done, focused on identification of relevant studies. The aim of this paper is to provide a review of current trends in diagnosing and predicting the prognosis of, and recommended treatment standards for patients with abdominal sepsis. RESULTS: Abdominal sepsis is defined as the Systemic Inflammatory Response Syndrome (SIRS) with an abdominal infection requiring a surgical intervention to control the source; or SIRS with an infection within 14 days after any major surgery. Although many different monitoring and scoring systems exist, daily careful clinical examination is the most reliable diagnostic tool in identification of septic patients. Whenever abdominal sepsis is suspected, the gold standard comprises immediate administration of broad-spectrum antibiotics, transferring the patient to the intensive care unit, with surgical intervention and supportive intensive care based on current guidelines of the Surviving Sepsis Campaign. Source control surgery is the principal therapeutic modality for patients with abdominal sepsis. The most relevant negative prognostic factors include clinical signs of septic shock and the necessity of high doses of catecholamines. CONCLUSION: Early identification of septic patients and prompt implementation of a complex, evidence-based interdisciplinary approach are the principal conditions for improving healthcare outcomes of care provided to patients with abdominal sepsis.

[Hepatic pseudolesions adjacent to the falciform ligament]. / Hepatální pseudoléze v blízkosti falciformního ligamenta.

INTRODUCTION: Accurate detection of hepatic pseudolesions using multi-detector CT and MRI examinations is crucial for the differentiation of benign alterations from primary and secondary malignant lesions in hepatic parenchyma. METHOD: The authors conducted a systematic literature review in PubMed. "Liver" and "pseudolesion" were used as keywords in English and Czech, and papers/articles published from 2000 to 2014 were retrieved. RESULTS: The authors presented a literature review. In addition, the authors performed a retrospective evaluation of a group of patients treated for liver disease at University Hospital Ostrava where this anomaly was encountered in 7 cases.In 3 of the patients, diagnostic laparoscopy was done, with visual examination of the lesion accompanied by intraoperative ultrasound exam (IOUS) and partial excision, to establish the diagnosis. Subsequent histological assessment of the specimens confirmed the diagnosis of a steatotic lesion in each of these 3 patients. Additional 2 of the 7 patients underwent liver surgery for concurrent metastatic lesions of colorectal cancer and an open-access revision of the suspected lesions was performed. Visual inspection and intraoperative ultrasound (IOUS) was followed by excisional biopsy. The histology revealed macro- and micro-vesicular steatosis and excluded malignant changes. The last 2 patients still continue to be followed-up regularly on a 6-month routine check-up basis at our hepatology unit. CONCLUSION: The authors presented their own experience gained through inter-disciplinary cooperation at Multidisciplinary conferences. A literature overview of this unusual subject is also included. Particularly in oncologic patients, correct interpretation of these pseudolesions may help to avoid unnecessary biopsies, further imaging examinations and diagnostic laparoscopies and/or explorative laparotomies.

[A new strategy in the surgical treatment of multiple liver tumors - ALPPS]. / Nová strategie chirurgické lécby mnohocetného nádorového postizení jater - ALPPS.

INTRODUCTION: This systematic review was performed to introduce the two-staged hepatectomy procedure (Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy - ALPPS) and present its current results. MATERIAL AND METHODS: We conducted a systematic literature search using the PubMed database with key words "ALPPS" or "staged liver resection". The inclusion criteria were randomized trials or cohort studies. Case reports were excluded. The primary end-point was the assessment of liver tissue hypertrophy after the ALPPS procedure. Morbidity and mortality evaluation were the secondary end-point. RESULTS: After an electronic data search of PubMed with the selected key words, six cohort studies evaluating 96 patients met the inclusion criteria. There was no prospective randomised trial. Based on the results of the individual studies, liver hypertrophy ranged from 74 to 87%. Morbidity and mortality ranged from 53 to 71% and 0 to 13% respectively. CONCLUSIONS: Despite the higher morbidity and mortality the ALPPS procedure could be a promising technique for a selected group of patients with multiple liver tumors. However long term results are not yet available.

[Laparoscopic lavage and drainage in the management of acute diverticulitis: is it time to move on?]. / Laparoskopická laváz a drenáz v lécbe akutní divertikulitidy: Je cas na zmenu?

INTRODUCTION: Diverticular disease management represents a very topical issue with many unanswered questions as yet. Laparoscopic lavage and drainage in patients with acute diverticulitis is one of the controversial areas. Miniinvasive approach presents a possible treatment alternative for CT-guided percutaneous drainage and also for radical colon resection in the form of Hartmanns procedure or resection with primary anastomosis. MATERIAL A METHODS: The authors aim was the evaluation of patients with Hinchey II, III or IV diverticulitis treated by laparoscopic lavage and drainage, or by laparoscopic suture of the perforation, in a retrospective cohort study. The inclusion criterion for the study was laparoscopic lavage and drainage indication in patients with Hinchey II, III or IV diverticulitis. The primary aim of the study was laparoscopic treatment evaluation focused on leakage, if applicable, and on postoperative morbidity and mortality. RESULTS: During the study period (2007-2012), 12 patients operated on at our department (with a mean age of 71.7 years) were included into the study. The group comprised 7 men and 5 women with a BMI of 28.1 kg/m2. Laparoscopic exploration, lavage and drainage of the abdominal cavity with purulent peritonitis finding were performed in 10 patients. The site of bowel perforation was not located unambiguously in these patients. Two patients with faecal peritonitis and identified place of perforation underwent laparoscopic lavage, drainage and suture of the perforation. Postoperative leakage was not detected in any of the patients. The mean operating time was 65 minutes, postoperative morbidity reaching 27.7%, and postoperative mortality 0%. The mean length of hospital stay was 8.8 days. Elective laparoscopic resection was performed 6-15 weeks after the primary operation in 8 patients. CONCLUSION: Laparoscopic exploration with thorough lavage, suture of the perforation and drainage presents a possible alternative in modern management of acute diverticulitis. The miniinvasive approach indication should be based both on careful, highly individualised and complex patient evaluation and on the departments experience.

[Heparin-induced thrombocytopenia in a patient with acute thrombosis, acute aortic dissection and acute lower limb ischaemia]. / Heparinem indukovaná trombocytopenie u pacientky s akutní trombózou a disekcí brisní aorty a ALI DKK.

This case report presents the course of illness, as well as the diagnosis and therapy, of acute thrombosis and abdominal aortic dissection after Fogarty thrombectomy with the symptoms of acute limb ischaemia in a 42-year-old female patient suffering from heparin-induced thrombocytopenia. HIT is a severe iatrogenic complication emerging after unfractionated or low molecular weight heparin administration, with rather easy diagnosis; however, it is often neglected due to the rarity of its occurrence.