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2.
HNO ; 69(1): 58-61, 2021 Jan.
Article in German | MEDLINE | ID: mdl-32620976

ABSTRACT

A 34-year-old female patient presented to our department with a 1.5 cm midline cystic lesion of the neck. A second cystic mass was found in level 2 of the left lateral neck. Following complete resection, histopathological examination revealed the diagnosis of a dystopic papillary thyroid carcinoma. Total thyroidectomy and bilateral neck dissection were performed. The patient developed transient postoperative hypoparathyroidism. The specimen showed four intraparenchymal parathyroid glands. Treatment with radioactive iodine was conducted.


Subject(s)
Carcinoma, Papillary , Cysts , Thyroglossal Cyst , Thyroid Neoplasms , Adult , Carcinoma, Papillary/diagnosis , Carcinoma, Papillary/surgery , Female , Humans , Iodine Radioisotopes , Neck Dissection , Thyroglossal Cyst/diagnosis , Thyroglossal Cyst/surgery , Thyroidectomy
4.
HNO ; 57(8): 845-50, 2009 Aug.
Article in German | MEDLINE | ID: mdl-19557321

ABSTRACT

Acromegaly is a rare disease caused by a growth-hormone-secreting pituitary adenoma. Symptoms include enlargement of the hands, feet, and jaw with growing dental interspaces, as well as hypertrophy of the tongue and nasal and sinusoidal mucosa. The two latter symptoms are mostly responsible for the accompanying obstructive sleep apnea syndrome. Besides these "cosmetic" symptoms, the disease is associated with hypertension and diabetes mellitus, as well as with an increased risk for adenomas and carcinomas of the colon. The average time span from first symptom to diagnosis is well over 6 years; a single determination of insulin-like growth factor 1 in serum can confirm the disease. The treatment of choice remains surgical resection of the adenoma in suitable patients, whereas in extensive disease with invasion of surrounding tissue, drug therapy and/or radiotherapy may be necessary.


Subject(s)
Acromegaly/complications , Acromegaly/surgery , Adenoma/etiology , Adenoma/surgery , Nasal Mucosa/surgery , Nose Neoplasms/etiology , Nose Neoplasms/surgery , Adult , Humans , Male , Treatment Outcome
5.
Laryngorhinootologie ; 87(4): 270-3, 2008 Apr.
Article in German | MEDLINE | ID: mdl-18200458

ABSTRACT

BACKGROUND: Traumatic injuries of the tracheobronchial system are rare, but a big challenge for the clinician in early diagnosis and optimal management in the prevention of high fatality and morbidity. PRESENTATION OF THE CASE: We present the case of a patient with suicidal deep cervical stabbing wound and consecutive subtotal transsection of the trachea. The patient was treated by an interdisciplinary team and emergency operation was performed after admission to the hospital. Intubation was done through the stabbing wound and the knife was removed intraoperatively. After removal the knife an end-to-end reanastomosis of the trachea was performed. There were no further injuries of large vessels or the oesophagus. The long term result showed, with the exception of a unilateral palsy of the recurrent laryngeal nerve and consecutive minor dysphonia, no further morbidity. CONCLUSIONS: The management of tracheobronchial injuries consists, depending on the severity, of emergency operation, in cases of tracheal rupture, haemorrhage or oesophageal injury, or of selective operation, in cases of minor injury and clinically stable patient. In the diagnostic pathways, the clinical examination is followed by radiologic imaging, angiography, computer tomography, and tracheo-bronchio-esophagoscopy. Particularly dangerous are total tear-offs of the trachea, tracheal contusions, tracheal or oesophageal fistula and postoperative stenosis of the trachea. The prognosis of the patient is largely dependent on an early diagnosis and good interdisciplinary management.


Subject(s)
Foreign Bodies/surgery , Neck Injuries/surgery , Trachea/injuries , Wounds, Stab/surgery , Anesthesia, Inhalation , Anesthesia, Local , Conscious Sedation , Female , Follow-Up Studies , Foreign Bodies/diagnostic imaging , Humans , Intubation, Intratracheal , Middle Aged , Neck Injuries/diagnostic imaging , Postoperative Complications/diagnostic imaging , Subcutaneous Emphysema/diagnostic imaging , Suicide, Attempted , Suture Techniques , Thoracic Vertebrae/diagnostic imaging , Thoracic Vertebrae/injuries , Tomography, X-Ray Computed , Vocal Cord Paralysis/diagnostic imaging , Wounds, Stab/diagnostic imaging
6.
Laryngorhinootologie ; 86(11): 775-9, 2007 Nov.
Article in German | MEDLINE | ID: mdl-17724622

ABSTRACT

INTRODUCTION: Wegener's granulomatosis (WG) is a vasculitis that effects the upper and lower part of the respiratory tract and the kidneys. Untreated the disease results in death within weeks or months. The diagnosis is based on clinical criteria, level of antineutrophil cytoplasmatic antibodies (ANCA) and signs of granulomatous necrotizing vasculitis in histology. METHODS: A case of an 18-year-old woman with initially symptoms of bilateral "mastoiditis" and weakness of her facial nerve is described. In this case ANCA levels remained normal for 3 months and persistent otological symptoms were predominant. The further clinical course was characterized by neurological problems (Palsy Nn. VII, IX, XII and thrombosis of the right sigmoid sinus). The initial therapy consisted of Prednisone 100 mg and Cyclophosphamide 100 mg daily. The patient has been treated successfully with Methotrexate 20 mg 1 x/week and Prednisone 15 mg/die for 4 months now. CONCLUSION: A common clinical presentation of WG involves the upper respiratory tract. Therefore ENT-specialists should be familiar with the disease. Especially in cases of persistent signs of bilateral "Mastoiditis" and neurological symptoms WG should be ruled out as differential diagnosis. A close interdisciplinary cooperation is essential for therapy and follow-up, because systemic involvement is the limiting prognostic factor.


Subject(s)
Granulomatosis with Polyangiitis , Otorhinolaryngologic Diseases , Adolescent , Anti-Inflammatory Agents/administration & dosage , Anti-Inflammatory Agents/therapeutic use , Antibodies, Antineutrophil Cytoplasmic/blood , Anticoagulants/therapeutic use , Cyclophosphamide/administration & dosage , Cyclophosphamide/therapeutic use , Diagnosis, Differential , Female , Granulomatosis with Polyangiitis/diagnosis , Granulomatosis with Polyangiitis/drug therapy , Humans , Immunosuppressive Agents/administration & dosage , Immunosuppressive Agents/therapeutic use , Magnetic Resonance Imaging , Mastoiditis/diagnosis , Methotrexate/administration & dosage , Methotrexate/therapeutic use , Otorhinolaryngologic Diseases/diagnosis , Otorhinolaryngologic Diseases/drug therapy , Phenprocoumon/therapeutic use , Prednisone/administration & dosage , Prednisone/therapeutic use , Prognosis , Remission Induction , Sinus Thrombosis, Intracranial/diagnosis , Sinus Thrombosis, Intracranial/drug therapy , Time Factors , Treatment Outcome
7.
Laryngorhinootologie ; 86(10): 714-22, 2007 Oct.
Article in German | MEDLINE | ID: mdl-17464896

ABSTRACT

BACKGROUND: Laryngeal cancer as an occupational disease in the rubber industry is under subject of continuous epidemiological research because of the lack of stable statistical data. METHOD: Epidemiological studies published in the period between 1982 and 2006 were analysed in regard of the risks employment and laryngeal carcinoma. 23 own cases of medical expert opinion and the documentation of the German Occupational Cooperatives were analysed. RESULTS: A significant statistical correlation between a specific exposition to cancerogenics in the rubber industry and a development of laryngeal carcinoma could not be found in the literature, still there is evidence for an increased mortality. It points to asbestos, talcum, dust as one risk factor. CONCLUSION: Recognition and compensation for laryngeal carcinoma according to [section sign] 9 Abs. 2 SGB VII is possible after intense individual investigation, although up to now no clear statistical evidence for the coincidence between employment in the rubber industry and general could be proven.


Subject(s)
Laryngeal Neoplasms/diagnosis , Occupational Diseases/diagnosis , Occupational Exposure/adverse effects , Rubber/toxicity , Adult , Aged , Case-Control Studies , Causality , Cohort Studies , Expert Testimony/legislation & jurisprudence , Germany , Humans , Industry , Laryngeal Neoplasms/mortality , Male , Middle Aged , Occupational Diseases/mortality , Occupational Exposure/statistics & numerical data , Retrospective Studies , Risk Assessment , Smoking/adverse effects , Smoking/epidemiology , Survival Analysis , Workers' Compensation/legislation & jurisprudence
8.
HNO ; 54(9): 721-6; quiz 727-8, 2006 Sep.
Article in German | MEDLINE | ID: mdl-16705350

ABSTRACT

The aims of follow-up of head and neck cancer patients are the detection of new tumour manifestations, management of impairments after tumour therapy, psychological care and the evaluation of therapeutic efficacy. The extent, success and cost-benefit ratio of follow-up are currently under discussion. We recommend interdisciplinary cooperation between the relevant specialists, such as oncology and radiotherapy, together with the otorhinolaryngologist for reasons of cost-efficacy and improvement of long-term results. We present a follow-up schedule for patients with head and neck squamous cell carcinomas, which are the by far most common manifestation. We recommend a standardized protocol, which should be individualized depending on tumour site, size, treatment and therapeutic options in the case of tumour recurrence. The most common salivary gland malignancies are also discussed. The objective is to increase the efficacy of follow-up in patients with head and neck cancer.


Subject(s)
Head and Neck Neoplasms/diagnosis , Head and Neck Neoplasms/therapy , Neoplasm Recurrence, Local/diagnosis , Neoplasm Recurrence, Local/prevention & control , Otolaryngology/standards , Physician's Role , Practice Guidelines as Topic , Follow-Up Studies , Germany , Practice Patterns, Physicians'/standards
9.
Laryngorhinootologie ; 85(11): 824-6, 2006 Nov.
Article in German | MEDLINE | ID: mdl-16586284

ABSTRACT

BACKGROUND: Postoperative nausea and vomiting (PONV) are among the most common complications in operative medicine. Especially patients undergoing middle ear surgery or stapedectomy are frequently suffering from PONV. On the other hand vertigo might be a symptom of an operative complication. For symptomatic therapy a various number of different drugs is available. PATIENT: We describe the clinical course of a 25-years-old female patient, who presented with massive orofacial tardive dsykinesia after therapy with metoclopramide (MCP). She had stapedectomy in general anaesthesia and suffered from PONV. The dyskinesia was treated successfully with Biperiden 5 mg i. v. DISCUSSION: Tardive dyskinesia is a potential and in rare cases irreversible complication of MCP-therapy. The efficiacy of MCP is in controversy. Studies with 5-HT3-antagonists like Ondansetron or neuroleptics like Droperidol show good results in PONV especially after middle ear surgery. CONCLUSION: Tardive dyskinesia is a rare but possible drug-related adverse effect of MCP. After review of the literature we can not recommend MCP as an antiemetic drug in PONV.


Subject(s)
Antiemetics/adverse effects , Dyskinesia, Drug-Induced/etiology , Facial Paralysis/chemically induced , Metoclopramide/adverse effects , Postoperative Nausea and Vomiting/drug therapy , Stapes Surgery , Adult , Antiemetics/therapeutic use , Biperiden/therapeutic use , Dyskinesia, Drug-Induced/diagnosis , Dyskinesia, Drug-Induced/drug therapy , Facial Paralysis/diagnosis , Facial Paralysis/drug therapy , Female , Humans , Metoclopramide/therapeutic use , Muscarinic Antagonists/therapeutic use
10.
Laryngorhinootologie ; 85(2): 93-8, 2006 Feb.
Article in German | MEDLINE | ID: mdl-16498537

ABSTRACT

AIM: At time of diagnosis, up to 17 % of HNSCC present with distant metastasis or a second primary tumour. Distant metastases of these tumours most commonly occur in the lung, requiring a particularly precise evaluation of this organ within the staging process. It was the aim of this study to compare the radiological findings of plain chest X-rays with the results of CT-scans of the chest in regard to their sensitivity for metastasis detection. PATIENTS AND METHODS: The staging examinations of 47 patients (f: 13, m: 34, mean age: 61.6 y) with progressed (T3, T4, N+) or recurrent HNSCC were prospectively analysed and results of chest X-rays as well as CT-scans of the chest compared. RESULTS: Only one plain chest X-ray showed a possible metastasis, which was excluded by the following CT-scan. In none of the other 46 patients did X-ray reveal findings of metastatic disease or second primary tumours. CT-scans of the chest showed tumorous lesions in 8/47 (17 %) patients. Three of these tumours were confirmed as neoplastic by biopsy, in another case radiological signs and clinical symptoms permitted definite assumption of malignancy (4/47 : 8.5 %). Histologically, only one of the latter four tumours could be identified as metastatic. In the remaining three cases we found second primary tumours. A follow up CT-scan of one of the remaining four cases showed normal results. In 3 cases the aetiology of the CT-findings remained unclear. CONCLUSION: Cervical lymph node metastases, tumour-size and recurrence of HNSCC are known risk factors for metastatic disease in HNSCC. Chest X-ray as staging procedure in patients with progressed or recurrent HNSCC may not be able to identify metastases or a second primary tumour of the lung. We therefore recommend a CT-scan of the chest as a routine procedure in such patients to optimise the pre-operative staging.


Subject(s)
Carcinoma, Squamous Cell/diagnostic imaging , Carcinoma, Squamous Cell/secondary , Head and Neck Neoplasms , Lung Neoplasms/diagnostic imaging , Neoplasms, Second Primary/diagnostic imaging , Radiography, Thoracic , Tomography, X-Ray Computed , Aged , Biopsy , Carcinoma, Squamous Cell/pathology , Disease Progression , Female , Humans , Lung/pathology , Lung Neoplasms/pathology , Lung Neoplasms/secondary , Male , Middle Aged , Neoplasm Recurrence, Local , Prospective Studies , Sensitivity and Specificity
11.
Eur Arch Otorhinolaryngol ; 262(6): 459-64, 2005 Jun.
Article in English | MEDLINE | ID: mdl-15942798

ABSTRACT

In vitro studies show that sodium selenite is a potential radioprotector in normal cultural cells, but not in tumor cells. The aim of this study was to evaluate the cytoprotective potency of sodium selenite during a conventional fractioned irradiation of the salivary glands of rats. The head and neck area of male WAG/RijH rats was irradiated with (60)Co-gamma rays (60 Gy/30 fractions/6 weeks). Sodium selenite (15 microg/kg body weight) was applied through a venous port 30 min before irradiation. Rats of a control group were treated in the same manner with an equal volume of physiologic sodium chloride. In the course of treatment, the salivary glands were resected at different stages and examined histopathologically. The evaluation of gland function was performed prior to and after radiotherapy by sialoscintigraphy. The irradiation caused dose-dependent damage in the salivary glands. Intra- and intercellular edema (16 Gy), vacuolization (30 Gy), degranulation (46 Gy) and necrosis of the acinar cells (60 Gy) occurred. Sodium selenite delayed the development of the described damage; additionally, the number of necrotic acinar cells after the application of 60 Gy was reduced (control, 75% vs. sodium selenite, 30%). The sialoscintigaphical results confirmed these results: the loss in gland function in the control group was 74 vs. 44% (P < 0.05) in the sodium selenite group. Based on the morphological and sialoscintigraphical findings, a cytoprotective effect on the acute toxicity of the salivary glands of rats could be detected during irradiation with synchronous application of sodium selenite.


Subject(s)
Dose Fractionation, Radiation , Radiation-Protective Agents/pharmacology , Salivary Glands/radiation effects , Sodium Selenite/pharmacology , Animals , Gamma Rays/adverse effects , Male , Rats , Salivary Glands/drug effects , Salivary Glands/pathology
12.
HNO ; 52(12): 1067-75, 2004 Dec.
Article in German | MEDLINE | ID: mdl-15597168

ABSTRACT

BACKGROUND: In vitro studies show that sodium selenite is a potential radioprotector in normal cell cultures, but not tumor cells. The aim of this study was to evaluate the cytoprotective potency of sodium selenite during conventional fractionated irradiation of rat salivary glands, but also on tumor response and metastasis frequency of rhabdomyosarcomas R1H. METHOD: The head-neck area of male WAG/RijH rats and the tumor in the flank were irradiated with (60)Co-gamma-rays (60 Gy/30 fractions/6 weeks). Sodium selenite (15 microg/kg body weight) was applied through a venous port 30 min before irradiation. Rats of a control group were treated in the same manner with an equal volume of physiologic sodium chloride. In the course of treatment the salivary glands were extirpated at different stages and examined histopathologically. The evaluation of the gland function was performed prior to and after radiotherapy by sialoscintigraphy. Tumor volume was measured during irradiation and plotted in tumor-volume curves. Rat body weight was determined sequentially to estimate the general constitution of the animal during the treatment. RESULTS: Irradiation caused dose-dependent damage in the salivary glands. Intra- and intercellular edema (16 Gy), vacuolization (30 Gy), degranulation (46 Gy), and necrosis of the acinar cells (60 Gy) occurred. Sodium selenite delayed the development of the described damage, and the amount of necrotic acinar cells after the application of 60 Gy was reduced (control: 75% vs sodium selenite 30%), confirmed by the sialoscintigraphic results. The loss in gland function in the control group was 44% vs 74% (p<0.05) in the sodium selenite group. Sodium selenite had no influence on the response of R1H tumors to radiation and general constitution. CONCLUSIONS: Based on morphological and sialoscintigraphic findings, a cytoprotective effect on acute toxicity of rat salivary glands could be detected under irradiation with synchronous application of sodium selenite. In addition, no effects on tumor response and metastasis frequency were observed. The general animal constitution was not affected by additional medication with sodium selenite during irradiation.


Subject(s)
Dose Fractionation, Radiation , Parotid Gland/radiation effects , Radiation Injuries, Experimental/prevention & control , Radiation-Protective Agents/pharmacology , Radioisotope Teletherapy , Rhabdomyosarcoma/radiotherapy , Salivary Glands/radiation effects , Sodium Selenite/pharmacology , Soft Tissue Neoplasms/radiotherapy , Animals , Cell Death/radiation effects , Cell Line, Tumor/radiation effects , Cell Survival/radiation effects , Dose-Response Relationship, Radiation , Infusions, Intravenous , Male , Necrosis , Neoplasm Transplantation , Parotid Gland/pathology , Radiation Injuries, Experimental/pathology , Rats , Rats, Inbred Strains , Rhabdomyosarcoma/pathology , Salivary Glands/pathology , Soft Tissue Neoplasms/pathology
13.
HNO ; 52(8): 724-8, 2004 Aug.
Article in German | MEDLINE | ID: mdl-15309253

ABSTRACT

Fulminant-invasive sinus aspergillosis affects immunocompromised patients and is usually lethal because of intracranial complications. Chronic-invasive and non-invasive types occur in non-immunocompromised patients. In these cases, intracranial extension is possible and life-threatening. The effective management of sinus aspergillosis requires early diagnosis by CT and histological classification, surgery, and if necessary, chemotherapy or steroids in case of allergy. Here we report a successfully treated case in a 29-year-old non-immunocompromised patient with chronic-invasive sinus aspergillosis. He presented a recurrent sphenoid sinus aspergillosis with destruction of the clivus and ophthalmoplegia. Diagnostic and therapeutic procedures are described.


Subject(s)
Neuroaspergillosis/diagnosis , Skull Base , Sphenoid Sinusitis/diagnosis , Administration, Oral , Adult , Amphotericin B/administration & dosage , Antifungal Agents/administration & dosage , Chronic Disease , Combined Modality Therapy , Cranial Fossa, Posterior/pathology , Cranial Fossa, Posterior/surgery , Follow-Up Studies , Humans , Magnetic Resonance Imaging , Male , Neuroaspergillosis/surgery , Ophthalmoplegia/diagnosis , Ophthalmoplegia/surgery , Skull Base/microbiology , Skull Base/pathology , Skull Base/surgery , Sphenoid Sinus/microbiology , Sphenoid Sinus/pathology , Sphenoid Sinus/surgery , Sphenoid Sinusitis/surgery , Therapeutic Irrigation , Tomography, X-Ray Computed
14.
HNO ; 52(7): 604-10, 2004 Jul.
Article in German | MEDLINE | ID: mdl-15309257

ABSTRACT

BACKGROUND: The often documented prognostic influence of the depth of invasion of oral and and oropharyngeal squamous cell carcinomas should be examined using more advanced lymphogenic metastasized tumours. This should be compared with the established prognostic factors T stage and capsular rupture of the lymph node metastases. METHODS: Five-year postoperative follow-ups of 66 patients treated consecutively were studied retrospectively. RESULTS: There was no significant relationship for the depth of invasion of the primary tumour. Survival rate was significantly related only to the T stage. CONCLUSION: In the presence of lymph node metastases and in particular of capsular rupture, T stage and depth of tumour invasion lose their prognostic value. The prognostic value of features of the primary tumor such as size and depth of invasion is limited to early non-metastasized oral and and oropharyngeal squamous cell carcinomas.


Subject(s)
Carcinoma, Squamous Cell/pathology , Lymphatic Metastasis/pathology , Mouth Neoplasms/pathology , Neoplasm Invasiveness/pathology , Oropharyngeal Neoplasms/pathology , Carcinoma, Squamous Cell/mortality , Carcinoma, Squamous Cell/surgery , Female , Follow-Up Studies , Humans , Lymph Nodes/pathology , Male , Middle Aged , Mouth Mucosa/pathology , Mouth Neoplasms/mortality , Mouth Neoplasms/surgery , Neoplasm Recurrence, Local/mortality , Neoplasm Recurrence, Local/pathology , Neoplasm Staging , Oropharyngeal Neoplasms/mortality , Oropharyngeal Neoplasms/surgery , Prognosis , Survival Rate
15.
Int J Pediatr Otorhinolaryngol ; 68(7): 979-83, 2004 Jul.
Article in English | MEDLINE | ID: mdl-15183593

ABSTRACT

OBJECTIVE: Imidazoline derivatives like naphazoline have a firm place in diagnostics and therapy of otorhinolaryngology because of their vasoconstrictive and decongestive properties. Their alpha-adrenergic potential could induce not only local but also systemic side effects like hypertension and tachycardia which can increase a life-threatening intoxication. Signs of imidazoline intoxication are excessive systolic and diastolic hypertension and hypotension, bradycardia with arrhythmia, respiratory depression, excitation or severe CNS depression. PATIENTS: The typical course of an intoxication and its sufficient therapy is reported by means of two cases of intraoperative application of naphazoline for hemostasis. RESULTS: In case of overdosage or intoxication, symptomatic drug therapy with intravenous administration of 5 mg phentolamine for adults and 1 mg phentolamine for infants has to be done. Phentolamine, an alpha-adrenoceptor antagonist, acting against peripheral and central side effects has to be used because no specific antidote is available. CONCLUSIONS: Especially pediatric otorhinolaryngologists have to know about symptoms and therapy of an intoxication after application of naphazoline. Particularly with children, a narrow therapeutic to toxic window can be observed in this frequently used drug.


Subject(s)
Adrenergic alpha-Agonists/adverse effects , Naphazoline/adverse effects , Postoperative Hemorrhage/drug therapy , Adenoidectomy , Adrenergic alpha-Agonists/administration & dosage , Adult , Arrhythmias, Cardiac/chemically induced , Bradycardia/chemically induced , Child , Constriction, Pathologic/chemically induced , Drug Administration Schedule , Female , Humans , Hypertension/chemically induced , Injections, Intravenous , Male , Naphazoline/administration & dosage , Naphazoline/chemistry , Nasopharynx , Tonsillectomy
16.
Rofo ; 176(5): 668-78, 2004 May.
Article in German | MEDLINE | ID: mdl-15122465

ABSTRACT

Purpose of this article is to provide accomplishments of the anatomy in the evaluation of pathologic findings is not a mandatory knowledge of every single anatomical structure, but rather a correct attribution of pathology to a single space of the neck. Only with an exact assignment to these spaces the differential diagnoses can be limited to a reasonable quantity to provide support for the referring physician in the ongoing treatment, especially for the planning of the various existing neck dissections. There are multifaceted descriptions of the anatomy of the head and neck region regarding an axial scanning with CT and MRI. Because of their intricacy it is difficult to use these classifications in a daily routine setting. Classifications with nearly as many spaces as anatomical structures provide no adequate support. Based on the various spaces of the head and neck region and additionally the imaging-based lymph node classification the aim of this work is to provide reasonable support in the daily clinical routine regarding the current literature and our own experience.


Subject(s)
Magnetic Resonance Imaging , Neck/anatomy & histology , Neck/diagnostic imaging , Tomography, Spiral Computed , Diagnosis, Differential , Humans , Lymph Nodes/anatomy & histology , Magnetic Resonance Imaging/methods , Neck/pathology , Neck Dissection
17.
Onkologie ; 27(1): 54-7, 2004 Feb.
Article in English | MEDLINE | ID: mdl-15007249

ABSTRACT

BACKGROUND: Radiotherapy of head and neck tumors often leads to acute reactions of the adjacent normal tissues resulting e.g. in mucositis and xerostomia. Therefore, radioprotective drugs have been developed to reduce these effects. Studies on a tumor model using amifostine and sodium selenite adjuvant to fractionated irradiation should show whether the radioprotective effect on normal tissue leads to an increase of radioresistance in the tumor and its metastatic potential. METHODS: Rhabdomyosarcomas R1H of the rat growing subcutaneously in the right flank of male adult WAG/RijH rats were irradiated with 60Co-gamma rays (60 Gy/30 fractions/6 weeks). Amifostine (375 mg/m(2)), sodium selenite (15 microg/kg), and equivalent volumes of 0.9% saline were administered intraperitoneally 30 min before each irradiation. Tumor response was determined. Statistical analysis was performed using the post-hoc-test. RESULTS: Irradiation alone inhibited R1H tumor growth (AUC 86.8+/-18.3). The efficacy of irradiation during radiotherapy was significantly improved by amifostine (AUC 63.1+/-15.8) in comparison to the irradiated controls. The radiosensitizing effect of sodium selenite (AUC 73.6+/-21.3) as well as irradiation and amifostine plus sodium selenite (AUC 68.3+/-7.8) was less compared to the irradiated controls and not statistically significant. However, tumor growth delay and metastasis rate were not changed by the radioprotective drugs. Further, the administration of amifostine and amifostine plus sodium selenite induced an enhanced decrease of animal body weight except for sodium selenite in comparison to the controls. CONCLUSIONS: The application of amifostine and sodium selenite to conventionally fractionated irradiation have no influence on the radiosensitivity of the rhabdomyosarcoma R1H. The systemic toxicity of amifostine might be of importance for the radiation treatment of a patient.


Subject(s)
Amifostine/pharmacology , Radiation-Protective Agents/pharmacology , Radioisotope Teletherapy , Rhabdomyosarcoma/radiotherapy , Sodium Selenite/pharmacology , Soft Tissue Neoplasms/radiotherapy , Animals , Cell Survival/drug effects , Cell Survival/radiation effects , Cobalt Radioisotopes , Dose Fractionation, Radiation , Injections, Intraperitoneal , Male , Neoplasm Transplantation , Rats , Rats, Inbred Strains , Rhabdomyosarcoma/pathology , Soft Tissue Neoplasms/pathology
18.
HNO ; 52(1): 25-32, 2004 Jan.
Article in German | MEDLINE | ID: mdl-14740111

ABSTRACT

INTRODUCTION: The aim of this study was to correlate structural, histomorphological damage of the salivary gland with scintigraphic findings during fractioned radiotherapy. METHODS: The head and neck area of 27 WAG/RijH rats was irradiated with (60)Co-gamma-rays (60 Gy/30f/6 weeks). A port-system was implanted and (99m)Tc-pertechnetat applied at different stages of irradiation (0, 16, 30, 46, 60 Gy and 6 months post irradiation). RESULTS: After the application of 16 Gy an intra- and extra-cellular oedema developed in the salivary glands. The progressive vacuolisation (30 Gy) passed over into lipomatosis (46 Gy) and necrosis (60 Gy) in the parotid and mandibular glands. Six months after irradiation treatment, the chronic histomorphological damage corresponded to stage II according to Seifert. The corresponding loss in gland function was 13% (16 Gy); 26% (30 Gy); 57% (46 Gy); 75% (60 Gy) and 66.5% (6 months post irradiation). CONCLUSION: This animal model demonstrates the correlation between histomorphological and scintigraphic findings.


Subject(s)
Disease Models, Animal , Dose Fractionation, Radiation , Radiation Injuries, Experimental/diagnostic imaging , Radiation-Protective Agents/pharmacology , Radioisotope Teletherapy/adverse effects , Radionuclide Imaging , Salivary Glands/radiation effects , Animals , Cobalt Radioisotopes , Dose-Response Relationship, Radiation , Lipomatosis/pathology , Male , Parotid Gland/diagnostic imaging , Parotid Gland/pathology , Parotid Gland/radiation effects , Radiation Injuries, Experimental/pathology , Rats , Rats, Inbred Strains , Salivary Glands/diagnostic imaging , Salivary Glands/pathology , Sodium Pertechnetate Tc 99m , Statistics as Topic , Submandibular Gland/diagnostic imaging , Submandibular Gland/pathology , Submandibular Gland/radiation effects
19.
HNO ; 52(11): 979-83, 2004 Nov.
Article in German | MEDLINE | ID: mdl-15801062

ABSTRACT

BACKGROUND: Plastic tracheostomy closure represents a safe surgical method with rare but potentially life-threatening complications such as dyspnea. Because of the general tendency to reduce hospital stay, the medically necessary time of hospitalization should be evaluated. METHODS: Ninety-eight patients operated in succession were examined retrospectively for extent, time, and therapeutic procedures in cases of life-threatening dyspnea. Moreover, disorders of wound healing which had to be treated surgically were analyzed. RESULTS: Of 98 patients 17% (17/98) developed dyspneas, 10% (10/98) up to the 3rd postoperative day, 2% (2/98) on the 6th postoperative day, and 5% (5/98) between the 17th and 92nd postoperative days; 13% (13/98) had to be treated because of extensive disorders of wound healing, 85% (11/13) up to the 3rd day. CONCLUSION: From the clinical and forensic viewpoint, a hospital stay for at least 3 postoperative days is necessary to record the majority of life-threatening complications after plastic tracheostomy closure.


Subject(s)
Dyspnea/epidemiology , Length of Stay/statistics & numerical data , Risk Assessment/methods , Surgical Flaps/statistics & numerical data , Surgical Wound Infection/epidemiology , Suture Techniques/statistics & numerical data , Tracheostomy/statistics & numerical data , Comorbidity , Disease-Free Survival , Germany/epidemiology , Humans , Prevalence , Retrospective Studies , Risk Factors
20.
Eur Arch Otorhinolaryngol ; 261(5): 270-5, 2004 May.
Article in English | MEDLINE | ID: mdl-14504863

ABSTRACT

In patients with squamous cell carcinomas of the oral cavity and the oropharynx the presence or absence of nodal metastases still is the most important predictive factor. The discriminative significance of extracapsular spread and the influence of features of the primary tumor-such as size and depth of invasion-on metastatic pattern, treatment failure and survival were evaluated. Five-year postoperative follow-ups of 115 consecutively treated patients were studied retrospectively concerning the incidence of distant metastases, local and regional recurrences and the 5-year survival rate. Maximum depth of invasion of the primary tumor and lymph node metastases were evaluated on the basis of histological patterns, and patients were grouped according to their histological diagnosis. The T4 category has a plain discriminative influence on the incidence of distant metastases, recurrent tumors and survival rate in contrast to the other T sizes. The classification N0, intranodal growth and extranodal growth of lymph node metastases resulted in a 5-year survival rate of 67, 59 and 31%. According to the classification, 84, 87 and 59% were without nodal recurrence after 5 years, and 79, 82 and 46% without distant metastases. Size and depth of invasion of the primary tumor are not connected significantly with the occurrence of extracapsular spread. The status of the lymph nodes in squamous cell carcinomas of the oral cavity and the oropharynx metastases and in particular the capsular rupture has the most significant prognostic influence. The histological feature of extracapsular spread could distinguish reproducibly high risk patients with squamous cell carcinomas of the oral cavity and the oropharynx.


Subject(s)
Carcinoma, Squamous Cell/secondary , Lymph Nodes/pathology , Mouth Neoplasms/pathology , Neoplasm Invasiveness/pathology , Neoplasm Recurrence, Local/pathology , Oropharyngeal Neoplasms/pathology , Adult , Aged , Analysis of Variance , Biopsy, Needle , Carcinoma, Squamous Cell/mortality , Carcinoma, Squamous Cell/surgery , Cohort Studies , Female , Humans , Lymphatic Metastasis , Male , Middle Aged , Mouth Neoplasms/mortality , Mouth Neoplasms/surgery , Neoplasm Recurrence, Local/mortality , Neoplasm Staging , Oropharyngeal Neoplasms/mortality , Oropharyngeal Neoplasms/surgery , Predictive Value of Tests , Probability , Prognosis , Risk Assessment , Survival Analysis
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