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Ichiro Kikuchi, MD
Department of Dermatology Miyazaki Medical College 889-16 Kiyotake, Japan

Michimoto Oka, MD; Kenji Nakashima, MD
Kumamoto, Japan

Arch Dermatol. 1984;120(5):575.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

We read with great interest the article on Tancho's nodules by Gilmore et al¹ in the May 1983 ARCHIVES. Tancho's nodules may be defined as ball-like nodules made of inert material such as glass or a container of Tancho hair pomade, a Japanese product, inserted into the dorsum of the penis for the purpose of exciting the sexual partner by clitoral stimulation. Even pinballs are used. This peculiar practice has been seen not only in southeast Asia^2,3 but also in Japan. In Japan this custom is observed chiefly among scamps or yakuza. It is said that this practice is usually taught when the subjects are serving terms in prisons.

Report of a Case.—

An 18-year-old Japanese man who was a cook on a deep-sea fishing boat inserted a glass ball into the dorsum of his penis. The glass ball was made from the bottom of . . . [Full Text PDF of this Article]

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