Splenic abscess in a patient with type 3 Gaucher's disease receiving enzyme replacement therapy.

We report the rare complication of a splenic abscess in an 11-year-old girl with type 3 Gaucher's disease, massive splenomegaly, and a splenic cyst after commencement of enzyme replacement therapy. This case highlights potential difficulties in establishing the diagnosis of splenic abscess in the presence of pre-existing splenic pathology.