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Multiple Brain Biopsies for Epstein-Barr Virus-Positive Diffuse Large B-Cell Lymphoma with Extensive Necrosis in a
Duong Thi Hoang Oanh1, Tae-Young Jung2, Seul-Kee Kim3
1Department of Neurosurgery, Chonnam National University Hospital and Chonnam National University Hwasun and Medical School, Gwangju, Republic of Korea; Department of Neurosurgery, The Ho Chi Minh City Children's Hospital, Ho Chi Minh City, Vietnam.
Background:
Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphoma (DLBCL) in an immunocompromised patient with organ transplantation demonstrated unusual brain magnetic resonance imaging (MRI) findings. Recognition of EBV-positive DLBCL by radiologists on MRI may prevent unnecessary neurosurgical resection, and it could be important to obtain viable cells for accurate diagnosis on stereotactic biopsy because of extensive necrosis.
Case Description:
A 62-year-old woman presented to the emergency department with left hemiparesis grade III and dysarthria lasting for 3 weeks. She underwent kidney transplantation in 2007 and was taking immunosuppressants and had hypothyroidism. Brain MRI showed a 3.8-cm peripheral enhancing lesion with extensive central necrosis in association with marked perilesional edema. The irregular ringlike enhancing lesion showed diffusion restriction and mildly increased regional cerebral blood volume in the rim portion of the mass. 11C-Methionine positron emission tomography revealed slightly increased uptake in the peripheral lesion. The provisional diagnosis was a high-grade glioma. Stereotactic multiple biopsies were performed for the central necrotic area and peripheral enhancing lesion. The nonenhancing areas showed only necrotic material, without viable cells, and the enhancing portion showed viable cells for an accurate diagnosis in a frozen biopsy specimen. The pathologic diagnosis was EBV-positive DLBCL with extensive necrosis. Positron emission tomography of the chest, abdomen, pelvis, and neck soft tissues ruled out systemic diseases. She underwent whole-brain radiotherapy at a dose of 30.6 Gy. Eight months later, her neurologic symptoms had improved, with a stable brain lesion and improved perilesional edema.
Conclusions:
We report an immunocompromised patient with EBV-positive DLBCL, which showed atypical MRI findings, including extensive necrosis. Multiple biopsies were required for final diagnosis.
