散在的星芒状纤维母细胞伴大量的胶原纤维和局灶水肿的间质
稀疏而随意分布的纤维母细胞伴大量的胶原纤维
梭形细胞表达SMA
肠系膜梭形细胞病变伴有脂肪的浸润性边界
嗜酸细胞随意分布伴有胶原性间质和出血,淋巴细胞聚集,类似于结节性筋膜炎
梭形细胞显示典型的肌纤维母细胞样特征伴胶原纤维沉积
免疫组化染色膜和浆表达β-catenin
弥漫表达SMA
表达desmin
Reactive nodular fibrous pseudotumor of the gastrointestinal tract and mesentery: a clinicopathologic study of five cases.
Yantiss RK,Nielsen GP,Lauwers GY,Rosenberg AE
American Journal of Surgical Pathology; Volume 27, April 2003, Issue 4
Reactive nodular fibrous pseudotumors of the gastrointestinal tract: report of 8 cases.