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A Case for Diagnosis (Acanthosis Nigricans?). Presented by Dr. Anker K. Jensen.
A. S., a white woman aged 67, has hypertensive blood vascular disease, with a blood pressure of 188 systolic and 100 diastolic. There is disease of the gallbladder, evidenced by recurrent attacks of pain in the upper part of the abdomen and by roentgenologic examination of a nonemptying gallbladder. About five months ago she noticed a few pigmented areas developing on the sides of her neck. This has gradually spread, until at present both sides and the front of her neck show a mottled pigmentation. Some of the areas are a light brown and others a deeper brown, shading into a dark brown and black. The pigmentation does not extend entirely around the neck in the back. She says that she has not used local applications of cosmetics or other preparations, such as ointments or lotions.
Hall AF, Counter CE. LOS ANGELES DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1946;54(2):218–224. doi:10.1001/archderm.1946.01510370102015
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