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Mycobacterium marinum cutaneous infections acquired from occupations and hobbies
P Kullavanijaya1, S Sirimachan, P Bhuddhavudhikrai
1Department of Medical Services, Ministry of Public Health, Bangkok, Thailand.
Background:
Non-tuberculous mycobacterial (NTB) infections are not commonly diagnosed in Thailand. The dissertation of reported cases among 10 published reports of 44 cases within 20 years revealed only six cases of cutaneous infections in which M. marinum was not included.
Methods:
The proven cases of M. marinum infection were studied at the Institute of Dermatology, Bangkok from 1981 to 1990. The clinical data, histopathology, tuberculin test, chest x-ray, and treatments were recorded.
Results:
M. marinum skin infection accounted for 18 cases (81.8% of NTB skin infection), 10 men and 8 women. A history of preceding trauma occurred in 11 cases (61.1%), most of which were negligible wounds or minor abrasions. Twelve cases (66.7%) were in contact with organisms in their occupations and hobbies associated with fish and water exposure.
Conclusions:
Eighteen cases of M. marinum cutaneous infection acquired from occupations and hobbies were reported. The term "M. marinum cutaneous infection" or "M. marinum granuloma" instead of swimming pool granuloma or fish tank granuloma was proposed. According to this study, cotrimoxazole was the most appropriate drug for the treatment of M. marinum cutaneous infection.