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Lichen scrofulosorum with tuberculous dactylitis

R A Graham-Brown, I Sarkany

The British Journal of Dermatology

|November 1, 1980

Summary

This case report details a patient with tuberculosis affecting lymph nodes, skin (lichen scrofulosorum), and hands (tuberculous dactylitis). It highlights a rare presentation of tuberculous dactylitis originating from skin granulomas, not bone involvement.

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Area of Science:

Dermatology
Infectious Diseases
Pathology

Background:

Tuberculosis (TB) can manifest in various extra-pulmonary forms.
Lichen scrofulosorum is a cutaneous manifestation of tuberculosis.
Tuberculous dactylitis typically involves underlying bone tuberculosis.

Observation:

A patient presented with cervical lymph node tuberculosis, lichen scrofulosorum, and tuberculous dactylitis.
Clinical and histological findings of lichen scrofulosorum were consistent with prior reports.
The patient's tuberculous dactylitis was clinically similar to previous cases.

Findings:

The patient's tuberculous dactylitis was attributed to granulomatous involvement of the skin.
No underlying bony abnormality was detected in the affected digits.
This challenges the established understanding of tuberculous dactylitis etiology.

Implications:

This case expands the understanding of tuberculous dactylitis, suggesting cutaneous granulomas as a potential cause.
It underscores the diverse presentations of extra-pulmonary tuberculosis.
Further investigation into the pathogenesis of skin-originating tuberculous dactylitis is warranted.

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