口蓋色素性母斑の2例と本邦報告例の臨床統計

概要

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Two cases of pigmented nevus of the palate are presented. The first case was an intradermal pigmented nevus in a 32-year-old male and the other a junctional pigmented nevus in a 49-year-old female. We also reviewed 31 cases reported in Japanese literatures, and the resultswere as follows: 1) Histologically, the intradermal type is the most common (68%), followed by compound (23%) and junctional types (9%). 2) Pigmented nevus develop mostly on the palate (39%), with gingiva of the mandible (32%), buccal mucosa (13%), and lip (10%), gingiva of the maxilla (6%). 3) More females than males have pigmented nevi. 4) The highest incidence is in the third and fourth decades, and almost half of the patients (55%) are in those age groups. 5) Size, given as the largest dimension of the lesion, ranged from 2mm to 40mm. More than four fifths (89%) are described as slightly raised or as raised, and the remaining lesions are flat. 6) The lesions were surgically excised, and except for our one case there are no reports of recurrence.
北海道医療大学の論文
1997-06-30