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A Case for Diagnosis (Riehl's Melanosis?). Presented by Dr. George C. Andrews.
W. Z., a man aged 50, works in a brewery. He has been doing this work since January 1943. Last June his attention was first called to pigmentation on his forehead. This is rather sharply limited and brownish red and extends in band shape over the forehead but is most pronounced over the frontal bosses and absent in the midline. The pigmentation does not extend into the scalp. It is not present in the mouth or on other parts of the face. It seems to be worse in summer.
He uses Kreml Hair Tonic and Wildroot Hair Tonic each Sunday. While at work he wears a machinist's cap and over this a mask to protect his face from broken bottles. The mask is leather lined. He takes no internal medication except Weber's Herb Tea about once
Cipollaro AC, Sachs W. MANHATTAN DERMATOLOGIC SOCIETY. Arch Derm Syphilol. 1945;51(3):223–226. doi:10.1001/archderm.1945.01510210065019