Malignant epithelioid hemangioendothelioma (MEH), also known as high-risk epithelioid hemangioendothelioma, is a low- to intermediate-grade vascular malignancy originally described as a vascular neoplasm of endothelial origin. This very rare vascular neoplasm has been described mainly in soft tissue, but also in various organs and locations, including the liver, lung, brain, colon, lymph nodes,...

AIM To assess the prevalence and location of advanced neoplasia in patients undergoing colonoscopy, and to compare the yield per indication. METHODS In a multicenter colonoscopy survey (n = 18 hospitals) in the Amsterdam area (Northern Holland), data of all colonoscopies performed during a three month period in 2005 were analyzed. The location and the histological features of all colonic neop...

Schwannomas are neoplasms originating from Schwann cells, which are the cells forming nerve sheaths. These neoplasms generally involve peripheral nerves. They rarely affect the gastrointestinal tract and primary colon involvement is extremely rare. The objective of the present paper was to present a case of primary schwannoma of the sigmoid colon, unassociated with von Recklinghausen disease, t...

Simultaneous presence of an epithelial and lymphoid tumor of the digestive tract is quite rarely met in literature. In this paper, we describe a case which presented such an association. Diagnosis was established by histological study, followed by immunohistochemistry. It is a synchronous colon tumor, associating a non-Hodgkin's lymphoma to a colon adenocarcinoma. The 57-year-old male patient h...

INTRODUCTION Surgery holds a central seat in the treatment of colon cancer, its objective being R0 resection. Chemotherapy and an appropriate oncological follow-up complete the treatment. AIM To establish an adequate therapeutic conduct in patients with advanced colon tumours, with no hepatic metastases. MATERIAL AND METHOD retrospective study on a group of 150 patients with colon neoplasm ...

Introduction. primary mucinous carcinoma of the eyelid skin is a rare adenocarcinoma glands. This tumor rarely metastasizes but frequently recurs. The study objective to describe clinical case skin, present macroscopic, histological and immunohistological descriptions this pathology. Clinical case. male, 66 years old, sought medical care due neoplasm lower eyelid. macroscopically subcutaneous n...

INTRODUCTION Computed tomography colonography, or virtual colonoscopy, is a good alternative to optical colonoscopy. However, suboptimal patient preparation or colon distension may reduce the diagnostic accuracy of this imaging technique. CASE PRESENTATION We report the case of an 83-year-old Caucasian woman who presented with a five-month history of pneumaturia and fecaluria and an acute epi...