Primary T cell central nervous system lymphoblastic lymphoma in a child: case report and literature review

Marcus D. Mazur, Vijay M. Ravindra, Mouied Alashari, Elizabeth Raetz, Matthew M. Poppe, Robert J. Bollo

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Purpose: Primary central nervous system lymphoma (PCNSL) of T cell origin is rare in pediatric patients. We report a case of T cell PCNSL in a 12-year-old boy and review the literature to highlight the importance of brain biopsy to definitively establish the diagnosis when PCNSL is suspected. Case report: A 12-year-old boy presented with worsening left-sided weakness, nausea, vomiting, headache, blurred vision, and diplopia. Magnetic resonance imaging revealed right parietal gyral thickening with faint meningeal contrast enhancement. No clear diagnosis was identified after serum testing, cerebrospinal fluid analysis, and cerebral angiography. To establish the diagnosis definitively, a right craniotomy and open, frameless stereotactic biopsy were performed, which yielded the diagnosis of lymphoblastic T cell lymphoma. Conclusions: PCNSL of T cell origin in children remains poorly studied, with only 18 detailed cases reported over the last three decades, including this case. Establishing a definitive diagnosis of PCNSL is challenging, and a brain biopsy is often required to obtain enough tissue for pathological analysis. Increasing awareness and identification of children diagnosed with T cell PCNSL is needed to better understand the molecular biology of this disease and develop more standardized treatment regimens.

Original languageEnglish
Pages (from-to)977-984
Number of pages8
JournalChild's Nervous System
Issue number6
StatePublished - 29 Jun 2015
Externally publishedYes


  • Pediatrics
  • Primary CNS lymphoma
  • T cell lymphoblastic lymphoma


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