the rectum villous tumour is an uncommon pathology in paediatrics, it represent 1% of all the children's malign tumours. an eleven-year-old girl present a rectal adenocarcinoma developed from a villous tumour. the aim of this study is to assess , an overview of litterature, the frequency of rectum villous tumours; to specify the value of the clinical examination , of the radiologic finding in t...

Villous adenomas of the urinary tract are rare as compared to urothelial carcinoma. We report a case of urinary bladder villous adenoma in a 90-year-old woman. Cystoscopic examination revealed a papillary tumour in the diverticulum at the posterior wall of the urinary bladder. Transurethral resection was performed and histopathological examination revealed predominantly tubulovillous architectu...

Placental site trophoblastic tumour (PSTT) is a rare form of trophoblastic disease accounting for < 2% of all gestational trophoblastic neoplasms. Most of the cases follow a normal pregnancy and a small number have a preceeding molar pregnancy or spontaneous abortion. It can occur as early as several weeks or as late as 15 years after normal delivery, molar pregnancy or abortion. Excessive inte...

This report describes a case of mucinous adenocarcinoma with superficial stromal invasion and villous adenoma originating in the dome of the urinary bladder. Although no urachal remnants were identified, the location suggested urachal derivation. Only two previous cases of urachal adenocarcinoma with features of early stromal invasion associated with a villous tumour have been described.

BACKGROUND A villous adenoma is an extremely rare benign tumour in the appendix, in contrast to other benign appendiceal lesions. The clinical features are usually asymptomatic. Acute appendicitis is the most common complication with the lesion obstructing the orifice of the appendiceal lumen. Thus, a villous adenoma is usually found during surgical intervention for acute appendicitis. Mechanic...

A patient presented with subtotal villous atrophy and a malignant duodenal tumour of uncertain histogenesis. He was successfully treated by resection and chemotherapy and the small bowel mucosa recovered on a gluten free diet. The tumour was diagnosed at upper gastrointestinal endoscopy when barium studies and abdominal computed tomography were normal, thus making this one of the earliest coeli...