Selective tarsal arthrodesis: an in vitro analysis of the effect on foot motion.

Five different intertarsal arthrodeses were simulated in 15 fresh cadaver feet/ankles utilizing external fixation. Pin placement was verified radiographically. Range of motion measurements were performed before pin placement, after pin placement, and after simulated arthrodesis.

Taser dart ingestion.

The Taser is a relatively new electronic self-defense and immobilization weapon used by the public and by law enforcement agencies. Taser victims characteristically have an altered mental status due to drug ingestion or primary psychiatric illness. An unexpected case of Taser-associated morbidity, that of voluntary Taser dart ingestion in a patient with paranoid delusions, is reported.

A comparison of amebic and pyogenic abscess of the liver.

We evaluated the clinical features of 96 cases of amebic liver abscess and 48 of pyogenic hepatic abscess. Most patients with amebic abscess were young Hispanic males. Those with pyogenic abscess were older, without any ethnic predominance.