Volume 27, Issue 8 pp. 624-629

Lipoid proteinosis

T. Hamada

T. Hamada

Department of Cell and Molecular Pathology, St John's Institute of Dermatology, The Guy's, King's College and St Thomas' Hospitals' Medical School, St. Thomas Hospital; London, UK; and the Department of Dermatology, Kurume University School of Medicine, Kurume, Fukuoka, Japan

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First published: 11 December 2002
Citations: 115
: Takahiro Hamada, Department of Cell and Molecular Pathology, St John's Institute of Dermatology, St Thomas's Hospital, Lambeth Palace Road, London SE1 7EH, UK. Tel.: +44 20 7928 9292 extn 3316. Fax: +44 20 7922175. E-mail: [email protected]

Abstract

Summary Lipoid proteinosis is a rare, autosomal recessive disorder that presents in early infancy with hoarseness, followed by pox-like and acneiform scars, along with infiltration and thickening of the skin and certain mucous membranes. Histological and ultrastructural examination reveals widespread deposition of hyaline-like material and disruption/reduplication of basement membrane around blood vessels and at the dermal--epidermal junction. Recently, lipoid proteinosis was mapped to 1q21 and pathogenetic loss-of-function mutations were identified in the extracellular matrix protein 1 gene (ECM1). This article reviews the molecular basis of lipoid proteinosis and reassesses the clinico-pathological features of this disorder in light of the new genetic discoveries.

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