Alopecia Research Today is a free monthly online journal that collates and summarizes the latest research about Alopecia, including details on hair loss, baldness, treatment, causes, prevention.

Pseudocyst of the scalp.

Tsuruta D, Hayashi A, Kobayashi H, Nakagawa K, Furukawa M, Ishii M

Department of Dermatology, Osaka City University Graduate School of Medicine, Osaka, Japan. dtsuruta@med.osaka-cu.ac.jp

We describe 4 cases of pseudocyst of the scalp, which still is only being described in the Japanese literature. The tumor is characterized as follows: localized between the top and the forehead area of the scalp, it first appears as a solitary reddish, painful small nodule or papule; it then gradually increases in size, protruding into a dome-shaped mass, and becomes associated with alopecia limited to the lesion area. This report describes typical cases of pseudocyst of the scalp, reviews the reported Japanese cases and introduces this tumor to western dermatology.

Published 8 June 2005 in Dermatology, 210(4): 333-5.
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