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Contributor

Naeem Alhayani, DVD

Diagnosis

tuberculosis mycobacterium infection mycobacterium infection, tuberculosis

Body Site

foot

Age

42 years

Pigmentation

medium

Organization

Color

purple

Morphology

plaqulous (plaque / nodule / tumor)

Pattern

solitary

Comments

This 42-year-old farmer developed a large violaceous plaque with yellow crusting on the dorsum of the foot 5 years ago. A skin biopsy from the border showed hyperkeratosis, hyperplasia of the epidermis and caseasing granulomas in the dermis. A Ziehl Nelson stain demonstrated a few acid fast bacilli.

Description

6 cm violaceous scaly indurated plaque

Categories

infections and infestations granulomatous disorder

Image Added

12/25/2006 21:22:27

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Other Resources

PubMed Medline Plus Medscape

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