A 23-month old female with hypoplastic myelodysplastic syndrome underwent allogenic hematopoietic cell transplantation (HCT), complicated by development of acute exotropia. Bilateral chorioretinal scars and a ring enhancing brain lesion were identified in further workup. Disseminated toxoplasmosis post-allogeneic HCT was subsequently confirmed by serologic and polymerase chain reaction testing results.
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