[Left hemothorax, a complication of a dissecting aneurysm of the descending thoracic aorta]. / Hémothorax gauche, complication d'une fissuration d'anévrisme de l'aorte thoracique descendante.

A woman of 93 was admitted to hospital with a left pleural effusion. The presence of an unrecognised aneurysm of the descending thoracic aorta, lying posteriorly, led to an inadvertent puncture of the aorta. The diagnosis of a haemothorax due to dissection of the aneurysm was supported by echocardiography, and confirmed by angio-scanning.

Apparently primary malignant melanoma of the cerebellopontine angle. One case.

We report a case of primary malignant melanoma of the cerebellopontine angle. This tumour showed RMI features that were totally different from those reported for secondary melanomas, and therefore its nature could not be suspected before surgery. Intracranial primary melanomas are so rare that no other published case is available for comparison, and our tentative explanations for the atypical RMI signals cannot be supported by evidence from the literature.