Inflammatory myofibroblastic tumor following hematopoietic stem cell transplantation: report of two pediatric cases

被引:29
作者
Fangusaro, J
Klopfenstein, K
Groner, J
Hammond, S
Altura, RA
机构
[1] Ohio State Univ, Columbus Childrens Res Inst, Ctr Canc Res, Columbus, OH 43205 USA
[2] Ohio State Univ, Coll Med & Publ Hlth, Dept Pediat, Columbus, OH 43210 USA
[3] Ohio State Univ, Columbus Childrens Hosp, Dept Surg, Columbus, OH USA
[4] Ohio State Univ, Columbus Childrens Hosp, Dept Biopathol, Columbus, OH USA
关键词
pseudotumor; inflammatory myofibroblastic tumor; children;
D O I
10.1038/sj.bmt.1704292
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
Inflammatory myofibroblastic tumors are benign neoplasms histologically composed of lymphocytes, histiocytes, macrophages, foam cells, and plasma cells among a spindle-shaped stroma. Their etiology and potential for metastatic spread is controversial. Numerous predisposing factors have been suggested, including preceding infections, radiotherapy, and local trauma. We present two cases of pseudotumors that developed in children following hematopoietic stem cell transplantation. These are the first cases after hematopoietic transplant reported in the literature. As these neoplasms are difficult to diagnose and are often confused with highly aggressive tumors, our cases demonstrate that a high index of suspicion for such lesions must be maintained when evaluating masses in post transplant patients.
引用
收藏
页码:103 / 107
页数:5
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