Recently Arthur C. Allen in an editorial1 again called attention to the basic difference between juvenile melanoma and prepubertal malignant melanoma. He noted that he had personally observed 9 cases of clinically proven melanocarcinoma in childhood and was acquainted with approximately an equal number observed by others. In 1954, Mc-Whorter and Woolner,6,7 after reviewing the literature, found 18 cases which they could accept as authentic. Additional wellestablished cases have been reported by Coffey and Berkeley,3 Williams,11 and Dobson.4 The latter author observed 2 cases, 1 occurring in a 2-year-old Negro girl. We have lately had the opportunity to observe a patient who developed a proven melanocarcinoma during childhood, and feel a report of this case is worthwhile.
Report of Case
The patient was a 12-year-old Caucasian boy of fair complexion, who was first admitted to Tripler U.S. Army Hospital in August of 1959, with left