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Acral angioosteoma cutis
Eun-Ju Lee1, Jong-Ho Lee, Min-Kyung Shin
1Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea.
Annals of Dermatology
|October 27, 2011
Summary
Acral angioosteoma cutis, a rare vascular proliferation with ossification, was identified in a patient presenting with a toe nodule. Histopathology distinguished it from pyogenic granuloma by the absence of lobular capillary proliferation.
Area of Science:
- Dermatology
- Pathology
Background:
- Acral angioosteoma cutis is a rare condition characterized by vascular proliferation and ossification in the extremities.
- It clinically resembles pyogenic granuloma but lacks its typical histopathological features.
Observation:
- A 43-year-old female presented with a subungual nodule on her left fourth toe, clinically suggestive of pyogenic granuloma.
- The lesion was ulcerative and dome-shaped.
Findings:
- Biopsy revealed capillary proliferation with ectopic bone formation.
- Crucially, the absence of a lobular capillary pattern differentiated it from pyogenic granuloma.
Implications:
- This case expands the understanding of acral angioosteoma cutis, highlighting its distinct histopathological features.
- Accurate diagnosis is essential for appropriate management of this rare condition.
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