Ibrahim Vedat Bayoglu

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Neuroendocrine carcinoma is a relatively rare tumor and its coexistence with other primary cancers is very exceptional. We present a case of a 63-year-old woman with biliary obstruction due to a high-grade neuroendocrine carcinoma located in ampulla of Vater who was found to have a synchronous sigmoid colon adenocarcinoma while undergoing staging laparotomy(More)
Mucosal melanoma (MM) is a rare type of cancer that differs significantly from cutaneous melanoma. In this study, we aimed to evaluate clinical and demographical characteristics, prognoses and factors influencing survival, treatment alternatives, and features of different subtypes of the patients. The patients were followed up with and treated in different(More)
Primary cardiac tumours are quite rare. Only 7 cases were reported in a series of 12,000 autopsies, and its prevalence is less than 0.1% [1]. Malignant tumours account for approximately 15% of primary cardiac tumours, and sarco-mas are the most common [2]. Cardiac sarcomas are quite rare and have been published as isolated case reports. Rhabdomyosarcomas(More)
Chordomas are rare neoplasms arising from notochordal remnants and may develop anywhere in the body while the most common anatomic site is the sacrococcygeal area. The most effective treatment of chordoma is surgery. Chordomas rarely metastasize to lung, bone, soft tissue, liver, lymph nodes, and skin. However, there is currently no standard systemic(More)
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