Large cell variant ovarian small cell carcinoma: case report.

Ultrastructural data about large cell variant ovarian small cell carcinoma (LCV-SCC) are scarce and contradictory and the role of transmission electronmicroscopy (TEM) is not clear in the assessment of such tumors. The authors present a case of LCV-SCC without hypercalcemia in a 30-year-old woman. The diagnosis was confirmed by histopathological and immunohistochemical studies.

Giardia lamblia infection in patients with irritable bowel syndrome and dyspepsia: a prospective study.

Aim: To evaluate the prevalence of Giardia lamblia (G. lamblia) infection in patients with irritable bowel syndrome (IBS) and dyspepsia and to establish which is the most accurate test to diagnose the infection in this setting.

Methods: One hundred and thirty-seven patients who consecutively attended the Outpatient Gastroenterology Clinic for the first time between January 2002 and December 2003 due to symptoms of IBS and/or dyspepsia were recruited.