Mycobacterium Infection, Atypical, Mycobacterium Infection, Mycobacterium Marinum - DermAtlas

Contributor

Alison Young, MD

Diagnosis

mycobacterium infection, atypical mycobacterium infection Mycobacterium marinum

Body Site

hand arm

Age

45 years

Pigmentation

light

Organization

linear sporotrichoid

Color

purple

Morphology

nodule

Pattern

asymmetric acral (centripetal - extremity predominant)

Comments

This healthy 45-year-old man developed asymptomatic nodules on his right hand which progressed up the forearm over 2 months. A biopsy showed granulomatous inflammation and cultures grew Mycobacterium marinum. He spent weekends sailing in the Chesapeake Bay.

Description

1-2 cm violaceous nodules with overlying collarette of scale in a sporotrichoid pattern

Image Added

3/31/2005 10:47:17

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Other Resources

PubMed Medline Plus Medscape

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