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Granuloma annulare on the palms
Mikél Muse1, Joseph Prohaska, Muneeb Shah
1Sampson Regional Medical Center, Clinton, NC Campbell University School of Osteopathic Medicine Department of Dermatology, Wilmington, NC. cookiemuse@gmail.com.
Dermatology Online Journal
|May 17, 2021
Summary
A rare case of granuloma annulare presented as a red rash exclusively on the palms. This diagnosis requires considering granuloma annulare in the differential for palmar plaques.
Area of Science:
- Dermatology
- Pathology
Background:
- Granuloma annulare is a benign inflammatory skin condition.
- Typical presentations involve annular lesions on extremities.
- Palmar involvement is uncommon.
Purpose of the Study:
- To report a rare case of granuloma annulare presenting solely on the palms.
- To highlight the importance of considering granuloma annulare in palmar dermatoses.
Main Methods:
- Case presentation of a 72-year-old male.
- Dermatopathological examination including punch biopsy, colloidal iron stain, and immunohistochemistry for CD68.
Main Results:
- Histopathology revealed interstitial granulomatous inflammation and increased dermal acid mucin.
- CD68 staining confirmed abundant histiocytes.
- Clinical and pathological findings were consistent with interstitial granuloma annulare.
Conclusions:
- Exclusive palmar involvement is a rare manifestation of granuloma annulare.
- Dermatologists should include granuloma annulare in the differential diagnosis for palmar plaques.
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