<unk>  is usually diagnosed clinically, but laboratory tests and imaging studies are used to confirm diagnosis, determine severity, and predict outcomes. X-rays and ultrasounds may show the presence of gas below the surface of the skin. A CT scan can be useful in determining the site of origin and extent of spread.
Fournier gangrene
Testicular pain
Gas gangrene
Pyoderma gangrenosum
Necrotizing fasciitis
Gangrene
Diabetic sock
Athlete's foot