Lantos G, Fisher B K, Contreras M
Division of Dermatology, Wellesley Hospital, Toronto, Ontario, Canada.
J Am Acad Dermatol. 1988 Dec;19(6):1067-72. doi: 10.1016/s0190-9622(88)70274-1.
A case of tuberculous skin ulcer is reported. The biopsy specimen did not reveal acid-fast bacteria but cultures grew Mycobacterium tuberculosis. A high index of suspicion is needed to diagnose mycobacterial ulcers correctly. The classification of the cutaneous tuberculoses is discussed.