Suspicious pigmented tumor in Mulvihill-Smith syndrome.

Mulvihill-Smith syndrome is a rare progeria-like disorder with characteristic findings including premature aging, short stature, pointed face and multiple melanocytic nevi. A young patient with this syndrome was referred to our department because of a pigmented tumor which was suspected to be a malignant melanoma.

Reticular erythematous mucinosis--(REM syndrome) in twins.

We present female twins with reticular erythematous mucinosis (REM syndrome). Remarkably, the lesions developed in both sisters almost at the same time in the same locations after UV exposure. Reports of familial manifestations of REM syndrome are very rare and an association to a distinct HLA constellation has not been proven.

Respiratory changes during laparoscopic operations.

The influences of laparoscopic techniques on respiratory function are reviewed according to the published literature. The influences are aroused by the applied pressure and the diffusion and absorption of the gas used. The published incidents of the technique are commented and the necessity of meticulous monitoring of the applied pressure and gas exchange is stressed.