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Arch Dermatol. 2006;142:101-106.

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

Diagnosis: Actinomycetoma.

MICROSCOPIC FINDINGS AND CLINICAL COURSE

The biopsy specimen from the sinus tract on the medial surface of the left foot showed a subcutaneous abscess of neutrophils, within which was a sulfur granule. A bacterial culture yielded gram-positive filamentous rods, identified by DNA sequencing as Nocardia otitidiscaviarum. A foot radiograph showed no evidence of bone invasion. Treatment with trimethoprim-sulfamethoxazole and minocycline was initiated, with remarkable clinical improvement of the infection observed at follow-up visits. By 12 months of therapy, the patient’s infection appeared to be resolved, so the antibiotic therapy was discontinued.

DISCUSSION

Mycetoma is a rare, deep mycotic infection that can be caused by fungi or filamentous bacteria. The infection is usually painless and can be recognized clinically based on the characteristic triad of tumefaction, draining sinuses, and formation of grains.¹ It can track along fascia and occasionally involve bone. This entity, which was first described by Dr John Gill in 1842 in the Madura . . . [Full Text of this Article]

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Arch Dermatol. 2006;142(1):101-106.
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