The present study aims at evaluating the etiology of the frequently observed atro­ phy of the thigh in patients who use thigh corsets . 1 , 2 This was done on the basis of femoral nerve conduction studies and electro-myographic findings in the quadri­ ceps muscle. Measurements of thigh cir­ cumference were used to quantitate vol­ ume changes in the thigh. The purpose of the thigh corset is to d...

BACKGROUND Psoas abscess is a rare condition consisting of pyomyositis of the psoas. The worldwide incidence was 12 cases per 100,000 per year in 1992, but the current incidence is unknown. Psoas abscess can descend along the psoas sheath and reach the inner upper third of the thigh, but only infrequently does it penetrate the sheath and involve the thigh adductors. Because of insidious clinica...