略語大辞典 [Med] 17 HI hypomelanosis of Ito 伊藤の低メラニン症. 皮膚でのメラニン供給減少または局所的欠損.hypomelanosis of Ito; or incontinentia pigmenti achromians; a neurocutaneousdisease; the abnormal skin lesions consist of hypopigmented zones with irregular borders, streaks, whorls, or patches; the hypopigmented lesion 丸善「略語大辞典」JLogosID : 11876914