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Squamous Cell Epithelioma Developing on a Sebaceous Cyst. Presented by Dr. W. F. Schwartz (from the Department of Dermatology and Syphilology, City Hospital).
M. Y., a woman aged 47, first sought medical advice on Feb. 9, 1938, because of a slowly growing tumor of the scalp, present since she was 12 years old. She says that in the past five or six years it has begun to ulcerate.Examination reveals an 8 cm. tumor arising from the upper occipital region of the scalp in the midline. The upper and right portions show an irregular eroded surface with a few points of oozing pus. The remaining portion of the surface is entirely covered with hair. The tumor is firm and does not fluctuate. It is diffuse and violaceous.In the right postcervical region there were six or eight firm discrete painless lymph nodes.Histologic examination of an excised lymph node
Norris CB, Cummer CL, Driver JR. CLEVELAND DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1938;38(5):791–797. doi:10.1001/archderm.1938.01480170115014
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