We describe a case of an inflammatory pseudotumor of the spleen in a 5
-year-old boy, found incidentally during a physical examination. The b
oy underwent a hemisplenectomy, The problems in differentiating this d
isease from lymphoma of the spleen before surgery and the advantages o
f hemisplenectomy are discussed, This rare disease has previously been
described in the spleen in only 28 cases, the youngest being a 16-yea
r-old patient.