The authors present the case of a 60 year-old man known for a rectal polyp which was diagnosed in 1994 and since then followed-up by means of a colonoscopy associated with periodic biopsies. Recently, the results of a biopsy revealed positive markers for the diagnosis of Gastro-Intestinal Stromal Tumor (GIST). Despite the absence of malignant criteria, an anterior resection of the rectum was performed by laparoscopy and the patient rapidly recovered. Epidemiology, diagnosis and management of this rare location of GIST's are discussed.
We report the case of an otherwise healthy 67-year-old woman who presented with bilateral breast masses and calcifications. Bilateral mammary biopsies showed infiltration by monoclonal neoplastic plasma cells and diffuse osseous metaplasia. Congo red stains and immunohistochemistry showed amyloid deposits. This case illustrates why multiple myeloma should be kept in mind in the diagnosis of mammary calcifications.
Hepatic cystadenocarcinoma (HC) is an exceptional epithelial tumour that probably arises from a previously benign cystadenoma. Cystadenoma and cystadenocarcinoma of the liver account for 5% of intrahepatic cystic masses of biliary origin. We report a case of HC located in the left lobe of the liver and treated by left lateral sectionectomy after radiofrequency (RF) coagulation of the liver parenchyma. The postoperative course was uneventful and the patient recovered rapidly. Histological analysis revealed a mucinous cystadenocarcinoma. Preoperative assessment of malignancy in cystic lesions of the liver is a difficult challenge. Complete excision of HC is the only chance for cure. Liver resection after radiofrequency coagulation seems safe and blood loss is minimal.
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