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女婴,8天,出生后即发现上颌牙槽嵴有一肿物。检查:肿物位于上颌牙槽嵴近右口角处,粉红色,表面光滑,质较硬。临床诊断为乳头状瘤,行局部切除。 病理检查:肿物1.4×0.7×0.6cm~3,表面光滑,蒂长0.2cm,切面实性,色灰白半透明状,质坚韧。镜下见肿瘤被覆复层鳞状上皮,呈萎缩状钉突变平,上皮与瘤组织间有一层纤维结缔组织分隔。瘤细胞较大呈圆形或多边形,胞浆丰富充满嗜酸性颗粒,PAS反应阳性。胞核相对较小,单个卵圆形,位于中央或偏于一侧,未见核分裂象。肿瘤间见许多毛细血管及少许纤维样组
The baby girl, after 8 days, was found to have a mass on her maxillary alveolar ridge. Inspection: The mass is located near the right mouth corner of the maxillary alveolar ridge, pink, smooth surface and harder. Clinical diagnosis of papilloma, local resection. Pathological examination: The tumor was 1.4 × 0.7 × 0.6cm ~ 3, the surface was smooth, pedicle length 0.2cm, cut surface solid, color gray translucent, tough quality. Under the microscope, the tumor was covered with stratified squamous epithelium, and the atrophic nail was mutated flatly. There was a layer of fibrous connective tissue between the epithelium and the tumor tissue. The tumor cells are mostly round or polygonal, and the cytoplasm is full of eosinophilic particles, and the PAS reaction is positive. The nucleus is relatively small, single oval, located in the central or partial to the side, no mitotic figures. Many capillaries and a few fiber-like groups were seen between tumors