乳腺颗粒细胞瘤2例临床病理及免疫组化分析

Granular Cell Tumor (GCT)of the Breast:A Clinical Pathologic Analysis of 2 Cases

摘要: 目的探讨乳腺颗粒细胞瘤的临床病理特征及诊断和鉴别诊断。方法复习2例乳腺颗粒细胞瘤的临床病理资料进行病理形态和免疫组化观察。结果2例GCT无特殊临床症状及体征,细胞境界清楚,胞体宽大,胞浆丰富,充满大的嗜酸性颗粒,浸润性生长,瘤细胞S-100、NSE(+),CEA(-)。良性者不转移,预后好。结论乳腺颗粒细胞瘤较少见,临床、细胞学及冰冻快速病理检查均易误诊为恶性肿瘤,应提高对此疾病的认识,减少不必要的扩大手术。

Abstract: Objective To study the histopathological characteristics,diagnosis,differential diagnosis and prognosis of Granular cell tumor of the breast. Methods Two cases of Granular cell tumor of the breast were studied by histopathological observation and immunohistochemical staining. Results No special clinical situations were found in two cases and the tumor was charsterized by clear cell boundary,aboundant cytoplasm, full of acidophilic granules and it also infiltrated beyond the edge of the main tumor. Immunohis...