报导1例出生时就有单个损害的未定类细胞增生性疾病,这种少见肿瘤的出现为该独特病种增加了临床谱。婴儿,男,足月顺产生于一名合并妊娠性糖尿病及高血压的20岁墨西哥产妇。出生时发现婴儿骶骨中线区有1个1.8×0.8cm浅表性溃疡性结节。其余体格检查均正常,无粘膜损害、肝脾肿大或腺病迹 It was reported that there was a single lesion of a cell-like proliferative disorder at the time of birth. The presence of this rare tumor increased the clinical spectrum of the unique disease. Babies, males, and full-term infants are born in a 20-year-old Mexican mother with gestational diabetes and hypertension. At birth, a 1.8 x 0.8 cm superficial ulcerative nodule was found in the midline of the infant’s tibia. The rest of the physical examination was normal, no mucosal damage, hepatosplenomegaly, or adenopathy