Lupus Vulgaris, Tuberculosis - DermAtlas

Contributor

Sugathan Paramoo, MD, FRCP(Glasg)

Diagnosis

lupus vulgaris tuberculosis

Body Site

elbow arm

Age

23 years

Pigmentation

dark

Organization

Color

brown pink

Morphology

plaqulous (plaque / nodule / tumor)

Pattern

solitary

Comments

A 23-year-old farm worker complained of an asymptomatic ulcer on the back of his left elbow for 18 months. It started as a small painless red papule which slowly enlarged by peripheral extension and occasional ulceration with healing in the center. He had no fever, cough, or other systemic symptoms, but a Mantoux test was strogly positive ( more than 7.5 mm) . A skin biopsy showed hyperkeratosis, psedoepitheliomatous hyperplasia, and an infiltrate of lymphocytes, epitheliod cells and Langhan giant cells. No acid fast bacteria could be demonstrated in the tissue sections.

Description

6 cm annular hyperpigmented scaly plaque with central pink scar

Image Added

11/20/2004 20:08:16

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Other Resources

PubMed Medline Plus Medscape

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