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患者,女,37岁。声嘶一年余,近半年加重且咽部干燥。查体:间接喉镜下,见右侧梨状窝处有一圆形肿物,直径约2cm。于1990年5月21日在全麻下行肿瘤切除术。术中见右梨状窝粘膜下有一2×2×1cm大小椭圆形肿物,表面光滑,淡红色,切除全部肿瘤。病理检查:肿瘤切面灰白色鱼肉样,质软,无包膜。镜检:瘤细胞较大,多角形或圆形,呈巢、索状排列。胞浆丰富含嗜酸性颗粒,PAS染色阳性。胞浆内亦有大小不等的空泡,粘液染色阴性。核中等大小,圆形或椭圆形,居中或偏
Patient, female, 37 years old. More than a year of hoarseness, aggravated in the last six months and the pharynx was dry. Examination: Under the indirect laryngoscope, see a round tumor at the right pear-shaped fossa, about 2cm in diameter. On May 21, 1990, tumor resection was performed under general anesthesia. During the operation, there was a 2×2×1cm elliptic mass under the right pear-shaped fossa, and the surface was smooth and light red. All tumors were removed. Pathological examination: Tumor section gray fish-like, soft, non-enveloped. Microscopic examination: The tumor cells are large, polygonal or round, arranged in nests and cords. The cytoplasm is rich in eosinophilic particles and PAS staining is positive. There are also vacuoles of varying sizes in the cytoplasm, and mucin staining is negative. Nuclear medium size, round or oval, centered or biased