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Arch Dermatol. 2003;139:93-98.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Diagnosis: Cutaneous Mycobacteria chelonae infection.

MICROSCOPIC FINDINGS AND CLINICAL COURSE

On hematoxylin-eosin staining, microscopic sections showed deep dermal and subcutaneous inflammation composed of a mixed population of neutrophils, eosinophils, lymphocytes, and macrophages. Focal areas of necrosis and a few plasma cells were also present. Periodic acid–Schiff and gram stains were negative for fungi and bacteria. However, a Ziehl-Neelsen acid-fast stain revealed clusters of bacilli within the abscess.

A chest x-ray film showed no evidence of active pulmonary disease. The patient was treated empirically with doxycycline (100 mg twice a day) for atypical mycobacterial infection while awaiting identification of the organism. No improvement was observed over the next 3 weeks; in fact, new lesions continued to develop. Because at this point cultures of the first biopsy specimen demonstrated no growth, a second biopsy specimen was obtained for culture and drug sensitivity testing. The antibiotic regimen was also changed to ciprofloxacin. After 1 month, the bacilli were finally isolated and identified as . . . [Full Text of this Article]

DISCUSSION

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Arch Dermatol. 2003;139(1):93-98.
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