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Article
February 1984

Congenital Onychodysplasia of the Index FingersIso and Kikuchi Syndrome

Author Affiliations

From the Dermatological Unit, Cannes (France) General Hospital (Dr Baran) and the Department of Dermatology, Wayne State University School of Medicine, Detroit (Dr Stroud).

Arch Dermatol. 1984;120(2):243-244. doi:10.1001/archderm.1984.01650380103022
Abstract

• Congenital onychodysplasia of the index fingers (Iso and Kikuchi syndrome) is characterized by five criteria: (1) congenital occurrence, (2) unilateral or bilateral index finger involvement, (3) variability in nail appearance, (4) possible hereditary involvement, and (5) frequently associated bone anomalies. Emphasis is placed on the configuration of the lunula, which is deformed and plays an important role in shaping the free edge of the nail plate. To our knowledge, this deformity has not been previously described in this syndrome.

(Arch Dermatol 1984;120:243-244)

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