The presence of interstitial gas can rarely be found in the penis.
Features:
(1) palpable crepitus in penis and usually also in scrotum
(2) gas bubbles are seen in the genitalia on imaging studies
(3) findings related to cause
Differential diagnosis:
(1) gas gangrene or necrotizing gangrene
(2) penetrating trauma
(3) iatrogenic especially laparoscopic surgery with insufflation of the abdomen
(4) injections into the penis
(5) rupture of a gas filled penile prosthesis
