The morphologic changes in the scalp which characterize cutis verticis gyrata were first described by Robert1 in 1848 and by McDowell2 and Cowan3 in 1893 in microcephalic idiots. It was not until 1906 that Jadassohn4 called to the attention of dermatologists the condition which in the following year was given its present name of cutis verticis gyrata by Unna.5
During the ensuing twenty-five years Stratton6 found that 158 cases of this condition had been reported by European physicians. Many of the earlier observers, basing their opinions on clinical and histologic studies in single cases, concluded that the condition was due to postinflammatory changes, nevoid infiltrates and tumors, depending on the type of change met within their personal experiences. This confusion led Fischer7 to attempt to classify the condition according to its causes, and his classification has generally been accepted as a workable one
ZEISLER EP, WIEDER LM. CUTIS VERTICIS GYRATA AND ACROMEGALY. Arch Derm Syphilol. 1940;42(6):1092–1104. doi:10.1001/archderm.1940.01490180101008
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