《英文msh词典》Nevus,Dysplastic
[同义词] Nevus,Dysplastic
[主题词] Dysplastic Nevus Syndrome
[中文释义] 痣,发育异常
[英文释义] Clinically atypical nevi (usually exceeding 5 mm in diameter and having variable pigmentation and ill defined borders) with an increased risk for development of non-familial cutaneous malignant melanoma. Biopsies show melanocytic dysplasia. Nevi are clinically and histologically identical to the precursor lesions for melanoma in the B-K mole syndrome. (Stedman,25th ed)