Reactive perforating collagenosis

Reactive perforating collagenosis is a rare, familial, nonpuritic skin disorder characterized by papules that grow in a diameter of 4 to 6mm and develop a central area of umbilication to which keratinous material is lodged. The etiology of reactive perforating collagenosis is unknown.

单词	Reactive perforating collagenosis
释义	Reactive perforating collagenosis 英语百科 Reactive perforating collagenosis Reactive perforating collagenosis is a rare, familial, nonpuritic skin disorder characterized by papules that grow in a diameter of 4 to 6mm and develop a central area of umbilication to which keratinous material is lodged. The etiology of reactive perforating collagenosis is unknown.
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