TY - JOUR T1 - GIant cutaneous horn AU - Semins H, Null HM Y1 - 1969/12/22 N1 - 10.1001/jama.1969.03160380099033 JO - JAMA SP - 2285 EP - 2285 VL - 210 IS - 12 N2 - To the Editor:—  Cutaneous horns are superficial skin lesions projecting perpendicularly from the surface and rarely exceeding 1 to 2 cm in length. Our patient presented with a projection that is among the largest reported. Although this lesion was growing on a benign base, it is important for the physician to be informed about cutaneous horns because of their occasional occurrence on a malignant base.Report of a Case:—  A 69-year-old male Negro appeared at the surgical clinic of the Western Pennsylvania Hospital with a 5-year slowly increasing growth on the skin of the left arm. The patient gave no history of a previous lesion at that site and had no symptomatic complaints. The lesion was excised with the patient under local anesthesia, including a 1-cm margin of normal skin surrounding the base.The horn (Fig 1) measured 1.4 cm in diameter and 7.1 cm in length. It was hard, SN - 0098-7484 M3 - doi: 10.1001/jama.1969.03160380099033 UR - http://dx.doi.org/10.1001/jama.1969.03160380099033 ER -