Sign of Leser-Trélat with a metastatic mucinous adenocarcinoma.

We describe a middle-aged woman with the sudden onset of multiple seborrheic keratoses in association with a metastatic mucinous adenocarcinoma to the liver from an unknown primary neoplasm. This case illustrates the significance of the sign of Leser-Trélat and its association with cancer.

Behçet's disease presenting as superior vena cava syndrome.

Behçet's disease is a multisystem disease with many systemic manifestations. Vascular thromboses with a predilection for the venous system are a well-recognized complication. We report on a patient with superior vena cava syndrome and review different hypotheses regarding the underlying pathogenesis.