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The method of treating urethral strictures described in this article is inspired from the technique for percutaneous angioplasty, using an inflatable catheter. It provides good immediate results in 80% of cases, regardless of the localization of the stricture and the previous treatment.

Acute ischemia of the lower limbs was seen in a patient given ergotamine tartrate with erythromycine propionate. The authors recall the danger of such associations in patients with hepatic failure, the value of early diagnosis, and the possible use of nitroglycerin for suppressing the vascular spasm.

The inferior vena cava (IVC) is a retroperitoneal key organ whose location and integrity must be checked in every scan. Computerized tomography (CT) of IVC provides interesting diagnostic elements which are complementary to the angiographic study: congenital abnormalities, even if they scarcely occur, are nevertheless important to detect, in order to prevent any mistake in the interpretation of the scan. Acquired abnormalities, are frequent. Today CT seems to be the most accurate method of exploration of neoplastic involvement in primary IVC tumors or external compression by retroperitoneal fibrosis. It is a non traumatic method allowing the visualization of the head of a caval thrombus inprecisely defined by phlebo-cavography. To summarize, a good scanning knowledge of the IVC and its abnormalities appears necessary, either to prevent any mistaken interpretation or to specify a pathological element with regard to a vascular exploration.

The authors report a case of pheochromocytoma of Zuckerkandl's organ revealed by permanent hypertension. Angiography, combined with the clinical and biological data suggesting a catecholamine secreting tumor, made the diagnosis of pheochromocytoma of Zuckerkandl's organ prior therapy.