ABSTRACTA 41‐year‐old Japanese male presented extensive polyposis involving the stomach, deodenum, jejunum, ileum, colon and the rectum; atrichia, pigmentation and epidermal cysts. This case does not fit any of the known syndromes, including Peutz‐Jeghers syndrome, Gardner's syndrome, Cronkhite‐Canada syndrome and atrichia with papular lesions. We diagnosed it as atrichia with papular lesions associated with gastrointestinal po
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