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September 1977

Splenorenal Fusion: Heterotopia Simulating a Primary Renal Neoplasm

Author Affiliations

From the Departments of Pathology (Drs Gonzalez-Crussi and Raibley) and Pediatric Surgery (Drs Ballantine and Grosfeld), James Whitcomb Riley Hospital for Children and Indiana University School of Medicine.

Am J Dis Child. 1977;131(9):994-996. doi:10.1001/archpedi.1977.02120220060009

• We report an instance of splenic heterotopia arising within the left kidney of an otherwise normal female infant. Embryologic considerations suggest that fusion of nephrogenic mesoderm and splenic anlage in the second month of gestation accounts for the observed findings. Although splenic-mesonephric (splenogonadal) fusion is a well-characterized, although rare, malformation, we were unable to find any previous description of splenic-metanephric fusion.

(Am J Dis Child 131:994-996, 1977)

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