Low signal intensity lesions on brain susceptibility-weighted MRI in a patient with intravascular large B-cell lymphoma.

作者: Yo Tsuda , Takuya Oguri , Keita Sakurai , Tomohiro Kajiguchi , Hideki Kato

DOI: 10.5692/CLINICALNEUROL.CN-001027

关键词: Skin biopsyVincristineLymphomaIntravascular large B-cell lymphomaBone marrowMedicinePathologyCyclophosphamideMagnetic resonance imagingPrednisone

摘要: A 71-year-old man was admitted to our hospital because of abnormal behavior and generalized convulsion. Brain MRI revealed no abnormalities upon admission. Levels serum lactate dehydrogenase soluble interleukin-2 receptors were significantly elevated, whereas the initial bone marrow puncture random skin biopsy findings non-malignant. On tenth day admission, brain dot strip-shaped low signal intensity lesions on susceptibility-weighted images (SWI) disseminated mainly within cerebral cortex. Administration high dose methyl-prednisolone improved neither his condition nor these findings. Ground-glass opacities bilateral lungs later emerged chest CT. The results a transbronchial lung second consistent with diagnosis intravascular large B-cell lymphoma (IVLBCL). Despite lack histopathological confirmation, intensities SWI in this case also considered IVLBCL lesions, reflective micro-hemorrhagic changes.

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