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The authors report a case of choledocal cyst extended to left and right hepatic ducts. An heterogeneous intracystic fluid, partial calcification of cystic wall, a slight positivity of echinoccosis serology in a patient from a highly endemic country erroneously led to diagnosis of hydatid cyst invading the left hepatic duct. The diagnosis of choledocal cyst was done on the resection specimen after left hepatectomy. A small patch of cyst wall with terminations of both right sectorial hepatic ducts was used for cysto-jejunal Roux-en-Y loop anastomosis. Peculiarities of this type of choledocal cyst are discussed.

Primary hepatic leiomyoma is a very rare tumor secondary to benign smooth muscle proliferation. The primary location in the liver is usually found in adult women. A 36-year-old woman with right upper quadrant abdominal pain had primary hepatic leiomyoma. The presenting features of primary leiomyoma and the diagnostic approach for these lesions are discussed, in particular the role of immunohistochemistry.

We report the case of a young female patient hospitalized for the first episode of a colonic Crohn's disease with specific ulceronecrotic tracheobronchial involvement leading to chronic and invalidant cough. Symptomatic bronchopulmonary manifestations are very rare in the course of inflammatory bowel diseases and usually not mentioned in Gastroenterology textbooks.

A whole body scan is performed after a radioiodine treatment in patients with differentiated thyroid carcinoma. This scan is useful coupled with thyroglobulin level for the patient's management. When unusual uptake is found, investigations have to be done to eliminate thyroid metastasis. A 28-year old woman underwent a total thyroidectomy for micro papillary carcinoma. Two years and a half after, ultrasonography of the neck showed a small lymph node in homolateral side of carcinoma. It was decided to begin treatment with iodine 131. The post-therapeutic scan showed an abnormal pelvic uptake. IRM found no osseous abnormality but an ovarian lesion. After surgery, histological diagnosis was an endometriosis cyst without thyroid or tumoral cells. Abdominal ou pelvic iodine false positive are rare. Ovarian cysts may be the cause of false positive radioiodine uptake. Endometriosis cyst was not previously described and the mecanism of iodine uptake is not clear.