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Article
July 1995

Linear Focal Elastosis

Author Affiliations

USA

Department of Dermatology Walter Reed Army Medical Center Washington, DC 20307

USA Washington

USNR

USN Bethesda, Md

USA

USA Washington

Arch Dermatol. 1995;131(7):855-856. doi:10.1001/archderm.1995.01690190111031
Abstract

Figure 1. Semithin (1-μm) section demonstrated increased amount of thin and fragmented elastic fibers (toluidine blue stain, ×240).

Figure 2. Electron microscopy shows irregular fragmented and degenerating elastic fibers (original magnification ×9000). fibers characterized by thin, wavy, elongated as well as fragmented elastic fiber bundles. von Kossa's stain for calcium deposition was negative.

Electron microscopy revealed numerous elongated thin, irregular, and fragmented elastic fibers (Figure 2). Some fragments demonstrated central electron-lucent homogenous material with focal densities. Others showed irregularly shaped swollen fibers with degenerative changes. In addition, many elastic fibers were observed in close association and sometimes in contact with fibroblasts. Finely granular electron-dense material was observed in the matrix surrounding these elastic fibers. Fine cytoplasmic microfibrils were noted in the rare fibroblasts with associated elastic fibers.

Comment.  Burket et al1 coined the term linear focal elastosis and proposed the synonym elastotic striae. At first glance, the lesions resemble

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