Ann Dermatol.  2012 Feb;24(1):81-83. 10.5021/ad.2012.24.1.81.

Could a Growth Spurt Cause Linear Focal Elastosis Like Striae Distensae?

  • 1Department of Dermatology, College of Medicine, Chung-Ang University, Seoul, Korea.
  • 2Department of Dermatology, Eulji General Hospital, College of Medicine, Eulji University, Seoul, Korea.


Linear focal elastosis (LFE) is characterized by several asymptomatic, yellow, palpable, irregularly indurated, striae-like lines extending horizontally across the middle and lower back. A focal increase in elastic fibers is a hallmark of the disease as seen from biopsy specimens. The pathogenesis of LFE is unclear, as is the association between LFE and striae distensae (SD). However, the prevailing opinion is that LFE represents an excessive regenerative process of elastic fibers and is analogous to keloidal repair of SD. Although the timing of onset of LFE and SD was not synchronous in our patient, the triggering factor was the same, which was the growth spurt. This case is supporting the putative association between LFE and SD.


Linear focal elastosis; Striae distensae

MeSH Terms

Elastic Tissue
Striae Distensae


  • Fig. 1 Clinical appearance. Yellow, horizontal, slightly elevated plaques are seen on the lower back (white arrow). Reddened, depressed, linear patches are seen on superior sides of the elevated plaque lesions (black arrow).

  • Fig. 2 Two biopsy specimens were taken from the elevated plaques and depressed patches on the patient's back. (a) Histopathology of the elevated plaques showed hypertrophic collagen bundles (H&E, original magnification ×100) and (b) abundant fragmented, clumped, and wavy elastic fibers (Verhoeff-van Gieson, original magnification ×100). (c) Histopathology of the depressed patches showed loosely bound collagen fibers, mild atrophic epidermis, decreased dermal thickness (H&E, original magnification ×100), and (d) diminished elastic fibers (Verhoeff-van Gieson, original magnification ×100).


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