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1.
Oncol Res Treat ; 47(4): 123-134, 2024.
Article in English | MEDLINE | ID: mdl-38325341

ABSTRACT

INTRODUCTION: Cancer diagnoses are constantly increasing in clinical practice. Therefore, more and more patients are interested in how they can actively participate in the process of treatment. Spirituality represents a hidden issue of the population, which counts as a branch of complementary and alternative treatment. Therefore, the aim of our study was to investigate whether there are associations between spirituality and demographic and psychosocial factors, as well as religious beliefs, in cancer patients. METHODS: We conducted a survey with 451 participants in 10 oncology centers between March and July 2021. A composition of the following 9 different questionnaires was used to collect data on spirituality, demographics, resilience, self-efficiency, life satisfaction, and sense of coherence: Functional Assessment of Chronic Illness Therapy-Spiritual Well-Being (FACIT-Sp12), General Life Satisfaction Short Scale (L-1), Resilienzskala Kurzform (RS-13), Sense of Coherence Scale - Leipziger Kurzform (SOC-L9), Allgemeine Selbstwirksamkeit Kurzskala (AKSU), Adolescent Food Habits Checklist, Likert-Scale of daily activities, questionnaire of the Working group Prävention und Integrative Onkologie (PRiO), and personal opinion on the cause of the disease. Calculated data and analyzed group differences using ANOVA Bonferroni were used to test associations between spirituality and the variables studied. For more detailed examination of spirituality, we took a closer look at the different components of spirituality - peace, meaning, and faith - and their relation to each other (three-factor spirituality analyses). RESULTS: Higher spirituality scores in total as well as meaning, peace, and faith were each associated with higher levels of resilience and life satisfaction. Higher religious belief was found to be associated with higher spiritual attitudes. High personal self-efficiency was found in people with higher spiritual beliefs in general as well as higher meaning and peace. Meaning and peace emerge as essential components of spiritual well-being and show a stronger association with expressions of general spirituality than faith. CONCLUSION: Spirituality takes a crucial role among the resources of life-threatening diseases. As such, further research is needed to expand and integrate patient options into a modernized concept of care. Our data indicate that higher spiritual well-being is associated with a more tolerant approach to illness. Thus, addressing spiritual needs in therapy is associated with better psychological adjustment to the individual situation and reduces negative distress. To promote spiritual needs in the future, cognitive as well as affective components of spirituality should be emphasized.


Subject(s)
Neoplasms , Spirituality , Adolescent , Humans , Adaptation, Psychological , Quality of Life/psychology , Neoplasms/epidemiology , Neoplasms/therapy , Neoplasms/psychology , Germany/epidemiology , Surveys and Questionnaires
2.
Geburtshilfe Frauenheilkd ; 83(8): 919-962, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37588260

ABSTRACT

Summary The S3-guideline on endometrial cancer, first published in April 2018, was reviewed in its entirety between April 2020 and January 2022 and updated. The review was carried out at the request of German Cancer Aid as part of the Oncology Guidelines Program and the lead coordinators were the German Society for Gynecology and Obstetrics (DGGG), the Gynecology Oncology Working Group (AGO) of the German Cancer Society (DKG) and the German Cancer Aid (DKH). The guideline update was based on a systematic search and assessment of the literature published between 2016 and 2020. All statements, recommendations and background texts were reviewed and either confirmed or amended. New statements and recommendations were included where necessary. Aim The use of evidence-based risk-adapted therapies to treat women with endometrial cancer of low risk prevents unnecessarily radical surgery and avoids non-beneficial adjuvant radiation therapy and/or chemotherapy. For women with endometrial cancer and a high risk of recurrence, the guideline defines the optimum level of radical surgery and indicates whether chemotherapy and/or adjuvant radiation therapy is necessary. This should improve the survival rates and quality of life of these patients. The S3-guideline on endometrial cancer and the quality indicators based on the guideline aim to provide the basis for the work of certified gynecological cancer centers. Methods The guideline was first compiled in 2018 in accordance with the requirements for S3-level guidelines and was updated in 2022. The update included an adaptation of the source guidelines identified using the German Instrument for Methodological Guideline Appraisal (DELBI). The update also used evidence reviews which were created based on selected literature obtained from systematic searches in selected literature databases using the PICO process. The Clinical Guidelines Service Group was tasked with carrying out a systematic search and assessment of the literature. Their results were used by interdisciplinary working groups as a basis for developing suggestions for recommendations and statements which were then modified during structured online consensus conferences and/or additionally amended online using the DELPHI process to achieve a consensus. Recommendations Part 1 of this short version of the guideline provides recommendations on epidemiology, screening, diagnosis, and hereditary factors. The epidemiology of endometrial cancer and the risk factors for developing endometrial cancer are presented. The options for screening and the methods used to diagnose endometrial cancer are outlined. Recommendations are given for the prevention, diagnosis, and therapy of hereditary forms of endometrial cancer. The use of geriatric assessment is considered and existing structures of care are presented.

3.
Strahlenther Onkol ; 199(12): 1080-1090, 2023 12.
Article in English | MEDLINE | ID: mdl-37620671

ABSTRACT

DNA damage is one of the foremost mechanisms of irradiation at the biological level. After the first isolation of DNA by Friedrich Miescher in the 19th century, the structure of DNA was described by Watson and Crick. Several Nobel Prizes have been awarded for DNA-related discoveries. This review aims to describe the historical perspective of DNA in radiation biology. Over the decades, DNA damage has been identified and quantified after irradiation. Depending on the type of sensing, different proteins are involved in sensing DNA damage and repairing the damage, if possible. For double-strand breaks, the main repair mechanisms are non-homologous end joining and homologous recombination. Additional mechanisms are the Fanconi anaemia pathway and base excision repair. Different methods have been developed for the detection of DNA double-strand breaks. Several drugs have been developed that interfere with different DNA repair mechanisms, e.g., PARP inhibitors. These drugs have been established in the standard treatment of different tumour entities and are being applied in several clinical trials in combination with radiotherapy. Over the past decades, it has become apparent that DNA damage mechanisms are also directly linked to the immune response in tumours. For example, cytosolic DNA fragments activate the innate immune system via the cGAS STING pathway.


Subject(s)
DNA Repair , Neoplasms , Humans , Neoplasms/genetics , Neoplasms/radiotherapy , DNA Breaks, Double-Stranded , DNA/radiation effects , DNA End-Joining Repair , DNA Damage
4.
Biology (Basel) ; 12(5)2023 May 18.
Article in English | MEDLINE | ID: mdl-37237547

ABSTRACT

A large amount of published research points to the interesting concept (hypothesis) that magnesium (Mg) status may have relevance for the outcome of COVID-19 and that Mg could be protective during the COVID disease course. As an essential element, Mg plays basic biochemical, cellular, and physiological roles required for cardiovascular, immunological, respiratory, and neurological functions. Both low serum and dietary Mg have been associated with the severity of COVID-19 outcomes, including mortality; both are also associated with COVID-19 risk factors such as older age, obesity, type 2 diabetes, kidney disease, cardiovascular disease, hypertension, and asthma. In addition, populations with high rates of COVID-19 mortality and hospitalization tend to consume diets high in modern processed foods, which are generally low in Mg. In this review, we review the research to describe and consider the possible impact of Mg and Mg status on COVID-19 showing that (1) serum Mg between 2.19 and 2.26 mg/dL and dietary Mg intakes > 329 mg/day could be protective during the disease course and (2) inhaled Mg may improve oxygenation of hypoxic COVID-19 patients. In spite of such promise, oral Mg for COVID-19 has thus far been studied only in combination with other nutrients. Mg deficiency is involved in the occurrence and aggravation of neuropsychiatric complications of COVID-19, including memory loss, cognition, loss of taste and smell, ataxia, confusion, dizziness, and headache. Potential of zinc and/or Mg as useful for increasing drug therapy effectiveness or reducing adverse effect of anti-COVID-19 drugs is reviewed. Oral Mg trials of patients with COVID-19 are warranted.

6.
In Vivo ; 37(1): 106-114, 2023.
Article in English | MEDLINE | ID: mdl-36593056

ABSTRACT

BACKGROUND/AIM: People who are undergoing cancer treatment often ask themselves what they can do in addition to conventional medical therapy with regard to nutrition, activity, and complementary methods. However, we know little about the motivation why people opt for one or the other measure. The aim of this study was therefore to examine the extent of physical activity (PA), healthy nutrition, and the use of complementary methods in relation to both demographic and psychological data. MATERIALS AND METHODS: A questionnaire was used to collect data on demographic data, resilience, coherence, self-efficacy, spirituality, satisfaction, and complementary and alternative medicine (CAM) behavior, PA, and diet. Between March and July 2021, data from 446 patients were collected. Regression models and correlation analyzes were used to examine the associations between CAM use, diet and PA with the other variables surveyed. RESULTS: CAM usage could only be predicted based on the patient's spirituality. Women used CAM more often and ate more healthily. Healthy eating was also related to younger age, shorter medical history, resilience, satisfaction, and coherence. In addition, the results showed that daily PA was related to the level of resilience, spirituality, and self-efficacy. CONCLUSION: Which people or why patients use CAM remains a question to be further investigated. Our data suggest that CAM seeks to address similar needs that others find in spirituality. In order to promote a healthy diet and PA in cancer patients in the future, various psychological variables seem conceivable. Resilience stands out, which is related to an overall healthier lifestyle.


Subject(s)
Complementary Therapies , Neoplasms , Humans , Female , Life Style , Diet , Surveys and Questionnaires , Exercise , Neoplasms/therapy
7.
Gesundheitswesen ; 85(3): 158-164, 2023 Mar.
Article in German | MEDLINE | ID: mdl-35016252

ABSTRACT

OBJECTIVE: Germany's new medical licensure act has increased the importance of general practice in academic medical education. This study gives an overview of complementary and alternative medicine in general teaching practices in Germany and their adherence to evidence-based criteria which is required in order to qualify as a teaching practice. METHODS: After a systematic search for German teaching practices, we assessed their diagnostic and therapeutic offers via their websites. We calculated the various frequencies of treatments and differentiated between evidence-based complementary medicine and alternative medicine with little to no evidence. RESULTS: Of 4102 practices, more than half offered complementary and/or alternative treatment. Most of those were treatments approved of by the German medical association. Alternative medicine was offered by 18.2% of the practices. CONCLUSION: Collective terms and conflicting evidence complicate the classification of treatments. Teaching practices offering non-evidence-based treatment raise the question whether recruitment of additional teaching practices stands at odds with the quality of medical education. Explicit offers of alternative treatment should disqualify a teaching practice as such. Controversial treatment may be taught academically and during residency with a focus on evidence-based guidelines and communication skills in order to prepare young medical practitioners for talks with their patients about the subject.


Subject(s)
Complementary Therapies , Education, Medical , General Practice , Humans , Complementary Therapies/education , Education, Medical/legislation & jurisprudence , Evidence-Based Medicine/education , General Practice/education , General Practice/legislation & jurisprudence , Germany , Teaching
8.
Urologie ; 62(1): 12-16, 2023 Jan.
Article in German | MEDLINE | ID: mdl-36454272

ABSTRACT

OBJECTIVE: Are there any evidence-based medicine (EBM)-supported treatment approaches of complementary and alternative medicine (CAM) methods for urological oncologists? METHODS: We reviewed the actual German S3 guidelines "Supportive Care" and "Complementary Medicine" as well as the online-tool Onkopedia for recommendations about essential trace elements (Zn, Se, Mn, Fe), vitamins (A, B, C, D, E), and electrolytes (Mg, Ca). Furthermore, we added results of randomized trials to present potential future developments. RESULTS: Each therapy with micronutrients should be based on laboratory observation of a deficit. There are selected guideline recommendations for selenium, iron and vitamin D. Potential indications were registered for manganese, vitamin A derivates, and vitamin C. No benefit was observed for vitamin B, zinc, and vitamin E. CONCLUSION: Micronutrients should be substituted in the case of deficit. General supplementation of daily nutrition is not recommended for cancer patients.


Subject(s)
Complementary Therapies , Neoplasms , Trace Elements , Vitamin B Complex , Humans , Trace Elements/therapeutic use , Vitamin A , Dietary Supplements , Micronutrients/therapeutic use , Vitamin K , Electrolytes/therapeutic use , Neoplasms/therapy
10.
In Vivo ; 36(5): 2422-2433, 2022.
Article in English | MEDLINE | ID: mdl-36099144

ABSTRACT

BACKGROUND/AIM: Abdominal discomfort during tumour therapy often leads to the use of phytotherapeutics from the field of folk medicine. What knowledge base do patients and young physicians have when they come across this phenomenon together? PATIENTS AND METHODS: We conducted an online survey of 157 medical students and, in consultation, 125 patients according to a standardised algorithm about their knowledge and use of a list of given medicinal plants for the above-mentioned symptomatology. We previously created the list of traditional German medicinal plants taking into account the symptoms of bloating, fullness, diarrhoea, constipation, and nausea. Both data pools are presented descriptively, compared using principal component analysis, and student knowledge was subjected to network analysis. RESULTS: As a median, patients know 9 medicinal plants and use 4 species. Students know 10 medicinal plants and use 5 species. The rate of non-users is 13.6% among patients and 11.4% among students. The plants used by both groups are ginger and mint, whereas patients also use camomile and fennel. The nearly coincident knowledge profile speaks of a common knowledge base - folk medicine. Network analysis illustrated that students stored their knowledge in symptom clusters. CONCLUSION: Patients with cancer and students are familiar with a similar canon of medicinal plants for the treatment of abdominal discomfort. Their common source is folk medicine. Targeted instructions on evidence-based phytotherapy are needed to improve students' existing symptom-cluster-related knowledge.


Subject(s)
Neoplasms , Plants, Medicinal , Students, Medical , Humans , Neoplasms/drug therapy , Phytotherapy , Plant Extracts
11.
Eur J Nutr ; 61(7): 3697-3706, 2022 Oct.
Article in English | MEDLINE | ID: mdl-35689124

ABSTRACT

PURPOSE: Serum magnesium is the most frequently used laboratory test for evaluating clinical magnesium status. Hypomagnesemia (low magnesium status), which is associated with many chronic diseases, is diagnosed using the serum magnesium reference range. Currently, no international consensus for a magnesemia normal range exists. Two independent groups designated 0.85 mmol/L (2.07 mg/dL; 1.7 mEq/L) as the low cut-off point defining hypomagnesemia. MaGNet discussions revealed differences in serum magnesium reference ranges used by members' hospitals and laboratories, presenting an urgent need for standardization. METHODS: We gathered and compared serum magnesium reference range values from our institutions, hospitals, and colleagues worldwide. RESULTS: Serum magnesium levels designating "hypomagnesemia" differ widely. Of 43 collected values, only 2 met 0.85 mmol/L as the low cut-off point to define hypomagnesemia. The remainder had lower cut-off values, which may underestimate hypomagnesemia diagnosis in hospital, clinical, and research assessments. Current serum magnesium reference ranges stem from "normal" populations, which unknowingly include persons with chronic latent magnesium deficit (CLMD). Serum magnesium levels of patients with CLMD fall within widely used "normal" ranges, but their magnesium status is too low for long-term health. The lower serum magnesium reference (0.85 mmol/L) proposed specifically prevents the inclusion of patients with CLMD. CONCLUSIONS: Widely varying serum magnesium reference ranges render our use of this important medical tool imprecise, minimizing impacts of low magnesium status or hypomagnesemia as a marker of disease risk. To appropriately diagnose, increase awareness of, and manage magnesium status, it is critical to standardize lower reference values for serum magnesium at 0.85 mmol/L (2.07 mg/dL; 1.7 mEq/L).


Subject(s)
Magnesium , Humans , Reference Standards , Reference Values
12.
PLoS One ; 17(6): e0269827, 2022.
Article in English | MEDLINE | ID: mdl-35700180

ABSTRACT

INTRODUCTION: Since the beginning of the pandemic in 2020, COVID-19 has changed the medical landscape. International recommendations for localized prostate cancer (PCa) include deferred treatment and adjusted therapeutic routines. MATERIALS AND METHODS: To longitudinally evaluate changes in PCa treatment strategies in urological and radiotherapy departments in Germany, a link to a survey was sent to 134 institutions covering two representative baseline weeks prior to the pandemic and 13 weeks from March 2020 to February 2021. The questionnaire captured the numbers of radical prostatectomies, prostate biopsies and case numbers for conventional and hypofractionation radiotherapy. The results were evaluated using descriptive analyses. RESULTS: A total of 35% of the questionnaires were completed. PCa therapy increased by 6% in 2020 compared to 2019. At baseline, a total of 69 radiotherapy series and 164 radical prostatectomies (RPs) were documented. The decrease to 60% during the first wave of COVID-19 particularly affected low-risk PCa. The recovery throughout the summer months was followed by a renewed reduction to 58% at the end of 2020. After a gradual decline to 61% until July 2020, the number of prostate biopsies remained stable (89% to 98%) during the second wave. The use of RP fluctuated after an initial decrease without apparent prioritization of risk groups. Conventional fractionation was used in 66% of patients, followed by moderate hypofractionation (30%) and ultrahypofractionation (4%). One limitation was a potential selection bias of the selected weeks and the low response rate. CONCLUSION: While the diagnosis and therapy of PCa were affected in both waves of the pandemic, the interim increase between the peaks led to a higher total number of patients in 2020 than in 2019. Recommendations regarding prioritization and fractionation routines were implemented heterogeneously, leaving unexplored potential for future pandemic challenges.


Subject(s)
COVID-19 , Prostatic Neoplasms , Humans , Male , Prostate/pathology , Prostatic Neoplasms/diagnosis , Prostatic Neoplasms/radiotherapy , Surveys and Questionnaires , Urologists
13.
Eur J Nutr ; 61(2): 625-636, 2022 Mar.
Article in English | MEDLINE | ID: mdl-34687321

ABSTRACT

PURPOSE: In less than one and a half year, the COVID-19 pandemic has nearly brought to a collapse our health care and economic systems. The scientific research community has concentrated all possible efforts to understand the pathogenesis of this complex disease, and several groups have recently emphasized recommendations for nutritional support in COVID-19 patients. In this scoping review, we aim at encouraging a deeper appreciation of magnesium in clinical nutrition, in view of the vital role of magnesium and the numerous links between the pathophysiology of SARS-CoV-2 infection and magnesium-dependent functions. METHODS: By searching PubMed and Google Scholar from 1990 to date, we review existing evidence from experimental and clinical studies on the role of magnesium in chronic non-communicable diseases and infectious diseases, and we focus on recent reports of alterations of magnesium homeostasis in COVID-19 patients and their association with disease outcomes. Importantly, we conduct a census on ongoing clinical trials specifically dedicated to disclosing the role of magnesium in COVID-19. RESULTS: Despite many methodological limitations, existing data seem to corroborate an association between deranged magnesium homeostasis and COVID-19, and call for further and better studies to explore the prophylactic or therapeutic potential of magnesium supplementation. CONCLUSION: We propose to reconsider the relevance of magnesium, frequently overlooked in clinical practice. Therefore, magnesemia should be monitored and, in case of imbalanced magnesium homeostasis, an appropriate nutritional regimen or supplementation might contribute to protect against SARS-CoV-2 infection, reduce severity of COVID-19 symptoms and facilitate the recovery after the acute phase.


Subject(s)
COVID-19 , Homeostasis , Humans , Magnesium , Pandemics , SARS-CoV-2
14.
Breast Dis ; 41(1): 503-511, 2022.
Article in English | MEDLINE | ID: mdl-36641650

ABSTRACT

BACKGROUND: In breast cancer patients, there is an elevated risk of developing osteoporosis during treatment which should be addressed by optimizing 25(OH) levels. OBJECTIVE: The aim was to assess the prescription, information and physician-patient communication on vitamin D and bone density in Germany. METHODS: We developed a standardized questionnaire concerning bone density measurement, vitamin D (blood level testing, prescription), information and communication regarding vitamin D. The questionnaire was distributed at the annual meeting of all group leaders of the Women's Cancer Support Association to all participants. RESULTS: Overall, 224 participants completed the questionnaire; 77.7% reported having had at least one bone density measurement test. The number was 84.4% in patients treated with aromatase inhibitor and 43.7% reported that their bone density was too low. In total, 51.3% patients reported at least one vitamin D blood test and 45.1% reported that vitamin D had been primarily addressed by a physician. As many as 74.1% of those reporting a test result had a deficiency; 91.6% of those with a low level got a prescription and 28.4% took vitamin D autonomously. CONCLUSIONS: The awareness on risk of osteoporosis, prevention, early diagnosis and treatment are insufficiently addressed in a patient group with high risk of osteoporosis. More attention should be paid to the phenomenon of vitamin D deficiency or insufficiency in routine care.


Subject(s)
Breast Neoplasms , Osteoporosis , Vitamin D Deficiency , Humans , Female , Vitamin D/therapeutic use , Breast Neoplasms/drug therapy , Osteoporosis/diagnosis , Osteoporosis/prevention & control , Vitamin D Deficiency/complications , Vitamin D Deficiency/prevention & control , Self-Help Groups
15.
Cancers (Basel) ; 13(17)2021 Aug 26.
Article in English | MEDLINE | ID: mdl-34503124

ABSTRACT

BACKGROUND: Central neurocytoma (CN) is a rare tumor accounting for <0.5% of all intracranial tumors. Surgery ± radiotherapy is the mainstay treatment. This international multicentric study aims to evaluate the outcomes of CNs patients after multimodal therapies and identify predictive factors. PATIENTS AND METHODS: We retrospectively identified 33 patients with CN treated between 2005 and 2019. Treatment characteristics and outcomes were assessed. RESULTS: All patients with CN underwent surgical resection. Radiotherapy was delivered in 19 patients. The median radiation dose was 54 Gy (range, 50-60 Gy). The median follow-up time was 56 months. The 5-year OS and 5-year PFS were 90% and 76%, respectively. Patients who received radiotherapy had a significantly longer PFS than patients without RT (p = 0.004) and a trend towards longer OS. In addition, complete response after treatments was associated with longer PFS (p = 0.07). CONCLUSIONS: Using RT seems to be associated with longer survival rates with an acceptable toxicity profile.

17.
Magnes Res ; 34(2): 84-89, 2021 May 01.
Article in English | MEDLINE | ID: mdl-34463286

ABSTRACT

Magnesium deficiency can have serious health consequences. Low magnesium intake or low serum levels are risk factors for e.g. type 2 diabetes and cardiovascular diseases. Despite its scientifically recognized importance, too little attention is paid to magnesium in clinical practice. This may be due to the fact that there is no uniform and evidence-based reference range for serum magnesium as is the case for other electrolytes such as sodium and potassium. The serum magnesium concentration is also of a limited informative value, as it is maintained for a long time by releasing magnesium from body pools. A low serum magnesium is a definite sign of magnesium deficiency; however, values within the reference range do not rule out deficiencies. Nevertheless, serum magnesium should become part of routine diagnostics in order to be able to better detect deficiency states. For serum magnesium, a reference range of 0.75 to 0.95 mmol/L (1.82 to 2.31 mg/dL) can often be found. However, according to the current data situation, serum magnesium values of less than 0.85 mmol/L are associated with increased health risks. Therefore, the lower limit of the reference range should be raised to 0.85 mmol/L (2.07 mg/dL).


Subject(s)
Diabetes Mellitus, Type 2 , Magnesium Deficiency , Humans , Magnesium , Magnesium Deficiency/diagnosis , Potassium , Reference Values
18.
Urologe A ; 60(7): 953-962, 2021 Jul.
Article in German | MEDLINE | ID: mdl-34129061

ABSTRACT

Complementary and alternative medicine (CAM) is widespread in oncology patients with a user rate of approximately 40-50%. An accompanying supportive effect can arise through improved adherence, especially in long-term (e.g. endocrine) therapies through active patient involvement. When assessing the evidence on frequently requested methods, there is no high-quality evidence that homeopathy or anthroposophy leads to an improved prognosis. Mistletoe therapy can be considered to improve the quality of life, although the data quality is weak. In prostate cancer, pomegranate has an influence on the prostate-specific antigen. It is currently unclear whether this will also result in an improved prognosis. In contrast the evidence on selenium and vitamin D speaks in favor of integration into the aftercare concept. Supplementation is recommended after the serum level has been determined.


Subject(s)
Complementary Therapies , Homeopathy , Mistletoe , Neoplasms , Humans , Male , Phytotherapy , Quality of Life
19.
Int J Surg Protoc ; 25(1): 84-91, 2021 May 28.
Article in English | MEDLINE | ID: mdl-34113745

ABSTRACT

INTRODUCTION: Para testicular sarcomas are rare mesenchymal tumors that affect patients of all ages. Unlike other sites of sarcoma, they tend to be of lower grade and have a higher propensity for lymphatic spread. Management is hampered by the small number of patients who differ in terms of tumor grade and histology. Current treatment approaches are based on case reports, small case series and literature reviews, resulting in a number of unresolved issues. The consensus on the type of surgery and adjuvant treatment is yet to be determined. The local relapse rates in the scrotum and groin after orchidectomy comes out to be 25%-37%, indicating the need for either aggressive surgery or adjuvant treatment. There is a paucity of data identifying the patterns of failure and risk factors for recurrence, which will help clinicians tailor appropriate treatment. METHODS: We aim to perform a systematic review and meta-analysis of the available data in the last 50 years in a methodologically rigorous and transparent manner to identify patterns of failure and high-risk factors for recurrence. The protocol is prepared in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA-P) 2015 guidelines. The protocol is registered in the International Prospective Register of Systematic Reviews (CRD42021237134). HIGHLIGHTS: Para testicular sarcomas are rare mesenchymal tumors that affects patients of all ages. Current treatment approaches are based on case reports, small case series and literature reviews, resulting in a number of unresolved issues. A systemic review was performed in 2013 based on survival rates, prognostic factors, and relapse sites on paratesticular sarcomas. However, it lacks a comprehensive review that can guide radiation oncologists to select in which patient's postoperative radiotherapy is warranted and define the target volume based on histopathological type, stage, and grade of the tumor. After 2013, new case series with improved methodology and sample size are published, which adds new information to the literature. In one case series, 22 patients with spermatic cord sarcoma were discussed, while in another study, long-term outcome analysis of 51 patients was discussed, and another study discussed eight patients.

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