A CASE REPORT OF MIXED TUMOR OF NAEVUS SEBACEUSCUM AND NAEVUS PIGMENTOSUS IN THE EXTERNAL AUDITORY CANAL, AND ITS STATISTICAL INVESTIGATION IN JAPAN
1963 Volume 66 Issue 1 Pages 58-61
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1963 Volume 66 Issue 1 Pages 58-61
A mixed tumor of Naevus sebaceuscum and Naevus pigmentosus was confirmed in the external auditory canal.
Authors study on the benign tumor in the external auditory canal showed had been reported in Japan. That was about 120 cases.
Also, 10 cases of Naevus pig. and 6 cases of Melanoma in the external auditory canal and 1 case of uncertain diagnosis was found. Age, sex, site of origin, size, and degree of malignancy was also observed.
