الفهرس 
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Abstract
Epidermal thickness was decreased in 23 (76.7%) of cases but increased in 7 (23.3 %) of them. Eighteen cases (60%) had lacking epidermal rete ridges while, 12 (40%) had partial restoration epidermal rete ridges. Twenty nine (96.7%) of cases had increased cellularity while, 1 (3.3%) had decreased cellularity. Fifteen cases (50%) had increased vascularity, 10 (33.3%) had decreased vascularity and 5 (16.7%) had normal vascularity. All cases lacking of hair follicle and sebaceous gland. All cases had fibroblast, abnormal collagen fiber density and orientation. Twenty three (67.7%) of collagen fiber size were mixed, 5 (16.7%) were large and 2 (6.7%) were small. Fifteen (50.0%) of cases had thick collagen bundle, 12 (40%) were mixed, 2 (6.7%) were large and 1 (3.3%) was thin. Eighteen cases (60%) had closed collagen bundle, 8 (26.7%) were loose and 4 (13.3%) were mixed. Also, 29 (26.7%) of cases had haphazard collagen bundle pattern and 28 (93.3%) had mixed collagen bundle direction. Inflammatory infiltrate was present in 29 (96.7%) of cases and they all had perivascular and mixed inflammatory infiltrate. Twenty seven cases (93.1%) had mild infiltrate and two cases (6.9%) had moderate infiltrate