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Alpha-1-antitrypsin associated panniculitis: The MS variant
Journal article   Peer reviewed

Alpha-1-antitrypsin associated panniculitis: The MS variant

Pedram GERAMINEJAD, James R DEBLOOM, Hobart W WALLING, Richard D SONTHEIMER and Marta VANBEEK
Journal of the American Academy of Dermatology, Vol.51(4), pp.645-655
2004
DOI: 10.1016/j.jaad.2003.12.053
PMID: 15389208

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Abstract

Over 90 mutant alleles of the alpha-1-antitrypsin (AAT) gene are recognized and classified by mobility on an acid starch gel. The four major categories include: F=fast, M=medium, S=slow, Z=very slow. Among 41 reported cases of AAT panniculitis, most have the ZZ phenotype with AAT levels below normal. We report two cases of AAT panniculitis with MS phenotype and normal AAT levels. In addition, we review the pathophysiology, epidemiology, and extracutaneous manifestations of AAT disease and propose a diagnostic algorithm for ulcerative panniculitis. A 42-year-old man presented with a solitary plaque on the left thigh exacerbated by trauma or excessive activity. The lesion frequently suppurated with a yellowish oily material. Twenty years before, he had fractured his left femur which was repaired with a metal plate. X-rays, histology with special stains for organisms, and cultures were negative. AAT phenotype was MS and AAT value was normal. A 43-year-old woman presented with multiple plaques on the proximal extremities which suppurated with exercise or trauma. AAT phenotype was MS and AAT level was normal. Histologic exam for both patients showed a dense neutrophilic infiltrate with septal and lobular panniculitis and areas of necrobiosis in the lower reticular dermis.
 Dermatology Biological and medical sciences Medical sciences Skin involvement in other diseases. Miscellaneous. General aspects

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