Abstract：
:We report a case of a newborn female with a rare tumor, a congenital sarcoma, presenting as an abdominal mass. Laparotomy demonstrated the tumor arising from the wall of the terminal ileum. Histologically, the tumor tissue was indistinguishable from clear cell sarcoma of the kidney and was composed of proliferating cells with poorly stained cytoplasm divided into nests or cords by arborizing vasculature. Immunohistochemical staining revealed that the neoplastic cells had a phenotype similar to metanephric blastemal cells of fetal kidney, ie, positive for vimentin and CD24 but negative for cytokeratin and CD9. The results suggest that this congenital tumor may originate from primitive mesenchymal cells phenotypically related to cells present in the fetal kidney.
journal_name
Hum Patholjournal_title
Human pathologyauthors
Kataoka Y,Shimada H,Sugimoto T,Mine H,Hachitanda Y,Doi Y,Sawada T,Weeks DAdoi
10.1016/0046-8177(93)90120-6subject
Has Abstractpub_date
1993-09-01 00:00:00pages
1026-30issue
9eissn
0046-8177issn
1532-8392pii
0046-8177(93)90120-6journal_volume
24pub_type
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