Neuroradiology

, Volume 34, Issue 6, pp 517–519 | Cite as

Effects of radiotherapy determined by11C-methyl-l-methionine positron emission tomography in patients with primary cerebral malignant lymphoma

  • J. Sawataishi
  • K. Mineura
  • T. Sasajima
  • M. Kowada
  • A. Sugawara
  • F. Shishido
Diagnostic Neuroradiology

Summary

Two cases of histologically proven primary cerebral malignant lymphoma were examined serially with positron emission tomography (PET) using11C-methyl-l-methionine (11C Met). Lesions delineated by11C Met accumulation extended beyond enhancing areas on either X-ray computed tomography (CT) or magnetic resonance imaging. High uptake of11C Met accurately showed biologically active and residual tumours, at a time when disappearance of a contrast-enhancing lesion on CT seemed to indicate involution. PET provides valuable information on the extent of tumour and assessment of radiotherapy in malignant lymphoma.

Key words

Cerebral malignant lymphoma 11C-methyl-l-methionine Positron emission tomography Radiotherapy 

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • J. Sawataishi
    • 1
  • K. Mineura
    • 1
  • T. Sasajima
    • 1
  • M. Kowada
    • 1
  • A. Sugawara
    • 2
  • F. Shishido
    • 3
  1. 1.Neurosurgical ServiceAkita University HospitalAkitaJapan
  2. 2.Department of NeurosurgeryNakadori HospitalAkitaJapan
  3. 3.Department of Radiology and Nuclear MedicineResearch Institute for Brain and Blood Vessels-AkitaAkitaJapan

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