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Methionine positron emission tomography of recurrent metastatic brain tumor and radiation necrosis after stereotactic radiosurgery: is a differential diagnosis possible?
The use of MET-PET scanning is a sensitive and accurate technique for differentiating between metastatic brain tumor recurrence and radiation necrosis following stereotactic radiosurgery and reveals important information for creating strategies to treat postradiation reactions. Expand
Evaluation of treatment effects in brain abscess with positron emission tomography: Comparison of fluorine-18-fluorodeoxyglucose and carbon-11-methionine
PET studies reflect the degree of inflammatory response in brain abscess more directly than enhancement CT or MRI, and are useful in detecting the inflammatory lesion and assessing the clinical effects of antibiotics treatment onbrain abscesses. Expand
Spontaneous spinal subarachnoid hematoma--case report.
The outcome is significantly influenced by the duration between onset and operation, preoperative neurologic status, and rapidity of symptom progression, so the importance of early diagnosis and rapid and complete operative removal of spinal subarachnoid hematoma in order to achieve the best outcome is emphasized. Expand
Methionine positron emission tomography for differentiation of recurrent brain tumor and radiation necrosis after stereotactic radiosurgery —In malignant glioma—
This study shows Met-PET has a sensitivity and accuracy for differentiating between recurrent glioma and necrosis, and presents important information for developing treatment strategies against post radiation reactions. Expand
Correlation of amino-acid uptake using methionine PET and histological classifications in various gliomas
- Kenji Torii, S. Shiomi, J. Kawabe, N. Tsuyuguchi, I. Sunada, M. Hara
- Annals of nuclear medicine
- 1 December 2005
The uptake of L-methyl-11C-methionine by gliomas is greater than that by intact tissue, making methionine very useful for evaluation of tumor extent, making MET-PET very useful as a diagnostic indicator for brain tumors. Expand
Persistent primitive hypoglossal artery aneurysms--report of two cases.
- S. Yamamoto, I. Sunada, Y. Matsuoka, A. Hakuba, S. Nishimura
- Neurologia medico-chirurgica
- 1 April 1991
The authors present two patients with subarachnoid hemorrhage caused by ruptured intracranial saccular aneurysms of the persistent primitive hypoglossal artery via a unilateral-transcondylar-suboccipital approach with resection of the jugular tubercle and rim of the foramen magnum. Expand
Endarterectomy for persistent primitive hypoglossal artery--case report.
- I. Sunada, S. Yamamoto, Y. Matsuoka, S. Nishimura
- Neurologia medico-chirurgica
- 1 February 1991
The rupture of the carotid artery appeared to be caused by an infection of Pseudomonas aeruginosa, which was detected by culture of the chronic ear discharge, and an endarterectomy of the primitive hypoglossal artery was performed. Expand
Immunohistochemical Analyses of Cell Cycle-related Proteins, Apoptosis, and Proliferation in Pituitary Adenomas
- H. Nakabayashi, I. Sunada, M. Hara
- Medicine, Biology
- The journal of histochemistry and cytochemistry…
- 1 September 2001
Multivariate regression analysis revealed that high cyclin A LI and high Ki-67 LI were significant factors for shorter progression-free survival and suggest that the cyclIn A LI is a useful prognostic factor in pituitary adenomas. Expand
Bilateral internal carotid artery agenesis.
The superior right paravermal zone is suggested as the possible site of the cerebellar speech centre, and the hypothesis of functional interrelation between supratentorial structures and cerebellum in functional domains outside the motor system is supported. Expand
A discrepancy between Tc-99m HMPAO SPECT and Tc-99m ECD SPECT in Creutzfeldt–Jacob disease
- I. Sunada, Toru Ishida, S. Sakamoto, N. Tsuyuguchi
- Journal of Clinical Neuroscience
- 1 August 2004
There was a discrepancy between the perfusion patterns seen in single photon emission computed tomography (SPECT) images obtained using HMPAO and ECD in an 84-year-old man with Creutzfeldt-Jacob disease, and at autopsy, the characteristic pathological findings of CJD, spongiform vacuolation, were more closely correlated with the ECD-SPECT images than theHMPAO- SPECT images. Expand