International Journal of Trichology International Journal of Trichology
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CASE REPORT
Year : 2017  |  Volume : 9  |  Issue : 1  |  Page : 33-34

A case of membranous aplasia cutis congenita and dermoscopic features


Department of Dermatology, Hospital General de Ciudad Real, Obispo Rafael Torija, 13005, Ciudad Real, Spain

Correspondence Address:
Belén Lozano-Masdemont
Department of Dermatology, Hospital General de Ciudad Real, Obispo Rafael Torija, 13005 Ciudad Real
Spain
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijt.ijt_91_16

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Membranous, bullous, or cystic aplasia cutis congenita is a clinical subtype of aplasia cutis, covered with a membranous or glistening surface. A male newborn presented at birth with two flat lesions on the left parietal scalp, surrounded by a rim of terminal hairs. Physical examination revealed two translucent papules. On dermoscopy, they showed a reddish background, thin, lineal vessels and, remarkably few hair bulbs could be seen because of the translucency of the lesion. No skull bone and brain defects were found. The diagnosis of membranous aplasia cutis congenita was established. Histologically, it is characterized by an atrophic epidermis with loose fibrovascular stroma and edematous dermal stroma. Dermoscopy may help to rule out other entities (herpes simplex, epidermolysis bullosa, trauma…) since the atrophic epidermis and fibrovascular stroma is evidenced by the hair bulbs and its characteristic translucency (“translucency's sign”).


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