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Primary Malignant Lymphoma of the Central Nervous System by Ga-67 and TI-201 Brain SPECT

KOSUDA, SHIGERU, M.D.*; AOKI, SHIGEKI, M.D.*; SUZUKI, KENZO, M.D.*; NAKAMURA, HIROHIKO, M.D.; NAKAMURA, OSAMU, M.D.; SHIDARA, NOBUYUKI, M.D.

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Two patients with primary lymphoma of the central nervous system underwent both Ga-67 and TI-201 brain SPECT. Ga-67 scans showed remarkable accumulation of radiotracer corresponding to tumors detected by CT and MRI. More avid uptake was noted on the Ga-67 scans than on the TI-201 scans. In one patient, the intense tracer uptake had disappeared in the Ga-67 study performed after irradiation with 50 Gy. We are convinced that Ga-67 SPECT is useful for detecting and following the progress of primary lymphoma of the central nervous system.

*Department of Radiology, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan

Neurosurgery, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan

© Lippincott-Raven Publishers.