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Coexistence of morphea and lichen sclerosus et atrophicus in a zosteriform pattern
Yi Ting Chen, Ying-Yi Chiang
DERMATOLOGICA SINICA 32 (2014) 65–66

A 23-year-old female presented with a 3-month history of an asymptomatic, slowly expanding area of dyschromia with textural changes over the left side of her face and neck. Physical examination showed a band of hyperpigmented, indurated plaque that ran from the left anterior to the posterior aspect of her neck (Figure 1). A slightly hypopigmented patch was aligned, in parallel to the plaque, on the adjacent upper portion of her neck. A small part of her lower left cheek and postauricular area were also involved. A skin biopsy was obtained from the junction of the hyper- and hypopigmented areas on her neck. Under low-power magnification, both areas showed the presence of thickened collagen bundles with entrapped, infiltrated eccrine glands (Figure 2A). There was epidermal hyperkeratosis with follicular plugging. The papillary dermis showed rather homogenous changes with pigment incontinence, suggesting a previous interface inflammatory process (Figure 2B). An orcein stain indicated the loss of elastic fibers in the superficial dermis (Figure 2C and D). These findings were compatible with morphea showing superficial changes reminiscent of lichen sclerosus et atrophicus (LSA).

   
   
 
 
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