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Pigmented Lesion of Cheek. Presented by Dr. Eugene F. Traub.
T. Z., a child aged 2½ years, has twice previously been presented.
Dr. A. Benson Cannon: I think one should regard the pigmented lesions in the scar as being part of the original growth. I should never consider the patient cured until there has been a lapse of twenty to twenty-five years, as melanoma has been reported to have recurred as long as twenty-five years after removal of the original tumor. I believe that at the previous meeting of this society Dr. Kingsbury presented a patient in whom the melanoma had appeared at the site of the removal of a pigmented mole eight years previously.
Dr. George M. Lewis: Time alone will tell, but one point in favor of the lesion's being benign is the fact that no new lesions have developed in the period of observation.
Ray H. Rulison, A. Benson Cannon. NEW YORK DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1944;49(1):65–74. doi:10.1001/archderm.1944.01510070068013