Introduction Folliculitis decalvans (FD) was first described by Quinquaud in 1888, and its clinical features consist of follicular pustules and papules with hemorrhagic crusting and resultant alopecic scarring patches...Introduction Folliculitis decalvans (FD) was first described by Quinquaud in 1888, and its clinical features consist of follicular pustules and papules with hemorrhagic crusting and resultant alopecic scarring patches(1)The early histopathologic findings of this disease show that dense perifollicular inflammatory infiltrates are mostly consisted of neutrophils, and in later stages with follicular rupture, lymphocytes, histiocytes, and plasma cells are seen, as well as perifollicular and interstitial dermal fibrosis(1)In 1978, Smith and Sanderson first described a rare folliculitis on scalp that patches of scarring alopecia with multiple hair tufts emerging from dilated follicular orifices(2)Tufting of hair was caused by clustering of adjacent follicular units due to a fibrosing process and to retention of telogen hairs within a dilated follicular orifice(3)Here, we descripe this rare FD case with keloid and tufted hair, which may demonstrate the effects of keloid in the process of FD with tufted hair.展开更多
文摘Introduction Folliculitis decalvans (FD) was first described by Quinquaud in 1888, and its clinical features consist of follicular pustules and papules with hemorrhagic crusting and resultant alopecic scarring patches(1)The early histopathologic findings of this disease show that dense perifollicular inflammatory infiltrates are mostly consisted of neutrophils, and in later stages with follicular rupture, lymphocytes, histiocytes, and plasma cells are seen, as well as perifollicular and interstitial dermal fibrosis(1)In 1978, Smith and Sanderson first described a rare folliculitis on scalp that patches of scarring alopecia with multiple hair tufts emerging from dilated follicular orifices(2)Tufting of hair was caused by clustering of adjacent follicular units due to a fibrosing process and to retention of telogen hairs within a dilated follicular orifice(3)Here, we descripe this rare FD case with keloid and tufted hair, which may demonstrate the effects of keloid in the process of FD with tufted hair.