Leukemia Research Reports · Published 2025-01-01 · DOI 10.1016/j.lrr.2025.100545
Toxoplasmosis is a rare but potentially fatal complication post-allogeneic hematopoietic stem cell transplantation (HSCT), often due to latent reactivation. In Singapore, low seroprevalence limits routine screening and prophylaxis. We report the first reported case of disseminated toxoplasmosis following HSCT in Singapore. A 58-year-old woman with fever and altered mental status two months post-transplant. She had pancytopenia, acute kidney injury, and pneumonitis, with non-specific brain MRI findings. Toxoplasma polymerase chain reaction from serum, bone marrow, and cerebrospinal fluid was positive. Despite treatment with trimethoprim-sulfamethoxazole, pyrimethamine, and sulfadiazine, she developed seizures, intracranial haemorrhage, and nosocomial infections, ultimately succumbing one month later. This case potentially highlights the consideration of routine pre-transplant Toxoplasma screening and prevention strategies, even in regions with low seroprevalence.
Abstract from DOAJ. Public domain (CC0 1.0).
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