Mycobacterium infection

Mycobacterium scrofulaceum, widely distributed in nature, is characterized by yellow pigment in tissue culture in the dark. It produces colonies on Roche medium at 30 ° C and 37 ° C for 2 to 3 weeks. Grow. If it is cultured at 37 ° C for 3 days and then changed to 25 ° C, it can grow rapidly, and the pathogenesis is not clear. The clinical manifestations are granulomatous nodules from 10 days to several months after trauma, and they can also appear erysipelas-like appearance. The damage is often solitary without systemic symptoms. Acid-fast bacilli culture and strain identification can be diagnosed. Can heal itself. Antibiotic and vaccination treatments can speed healing.