TABLE 4.

Characteristics of nontuberculous mycobacteria skin and soft tissue infections

Age, years	Sex	Site of infection	Specimen obtained	Histopathology	Culture result	Medical treatment	Comment
1.9	Female	Left internal thigh, 2×1 cm	Excisional biopsy	Necrotizing caseating granuloma	M avium intracellulare	None	Resolution
4.0	Female	Soles of feet	Skin biopsy	Necrotizing granuloma with AFB seen	No growth	Clarithromycin for three months	Multiple cutaneous recurrences
7.2	Male	Left index finger	Skin biopsy	Lymphocytic and granulomatous infiltrate within the deep dermis, focal microabcess	M marinum	Clarithromycin for three months	Resolution on treatment
9.6	Male	Right hand nodule, 5 cm	Skin biopsy	Necrotizing granuloma	M fortuitum	Ethambutol TMP-SMX	Resistance to clarithromycin

AFB Acid-fast bacilli; M Mycobacterium; TMP-SMX Trimethoprim-sulfamethoxazole