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Acrogeria (Gottron type): a vascular disorder?

C Hashimoto¹, M Abe, N Onozawa

¹Department of Dermatology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan. ckan@gunma-u.ac.jp

The British Journal of Dermatology

|August 26, 2004

Summary

This study details a rare case of acrogeria in a Japanese man, highlighting potential links between circulatory issues and type III collagen synthesis defects in its pathogenesis.

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Area of Science:

Dermatology
Genetics
Vascular Biology

Background:

Acrogeria, a rare condition characterized by premature aging of the skin, presents with unique clinical manifestations.
The exact pathogenesis of acrogeria, particularly the Gottron-type, remains largely unknown.
Understanding the underlying mechanisms is crucial for potential therapeutic strategies.

Observation:

A 27-year-old Japanese male presented with childhood perniosis, atrophic skin changes on hands, hallux valgus, shortened distal phalanges, and ear scars.
Radiographic and arteriographic findings revealed acro-osteolytic changes and digital artery occlusions.
Histological examination excluded systemic sclerosis, and serological tests for antinuclear antibodies and coagulation disorders were negative.

Findings:

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Western immunoblotting demonstrated reduced type III collagen production by dermal fibroblasts from both affected and unaffected skin.

This suggests a potential congenital defect in type III collagen synthesis.

Peripheral circulatory disturbances were also evident, indicated by digital artery occlusions.

Implications:

This case suggests that peripheral circulatory disturbances may contribute to the pathogenesis of Gottron-type acrogeria.
A congenital abnormality in type III collagen synthesis is also implicated.
Further research into collagen synthesis and vascular function in acrogeria is warranted.