Figure 1. Truncal computed tomography on arrival. CT showed gas in the left deep buttock, spinal canal, and bilateral psoas muscle (arrow)

From

Refractory Buttock Pain: A Possible Sign of Severe Soft Tissue Infection

Ken-ichi Muramatsu, Kazuhiko Omori, Youichi Yanagawa

American Journal of Medical Case Reports. 2020, 8(11), 418-420 doi:10.12691/ajmcr-8-11-10