Naoyuki Watanabe

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Positron Emission Tomography (PET) is a significant advance in cancer imaging with great potential for optimizing radiation therapy (RT) treatment planning and thereby improving outcomes for patients. The use of PET and PET/CT in RT planning was reviewed by an international panel. The International Atomic Energy Agency (IAEA) organized two synchronized and(More)
The number of positron emission tomography (PET) machines has been increasing in regions of East-, Southeast-, and South-Asia as well as in Latin America including Mexico. This study was performed to assess the potential requirement of PET machines in 19 countries which already use PET in the aforementioned regions. Data on the number of PET machines and(More)
This prospective clinical study aimed at assessing three pulmonary scintigraphic algorithms to detect acute pulmonary embolism (PE): Lung ventilation/perfusion (V/Q) scintigraphy along with modified prospective investigation of pulmonary embolism diagnosis (PIOPED) criteria; lung perfusion scintigraphy along with prospective investigative study of acute(More)
SUMMARY A one-year five-month-old labrador retriever was presented with acute-onset pelvic limb ataxia, gradually progressing to paraplegia. CT and MRI demonstrated an extradural mass lesion at T11 and T12. The dog underwent haemilaminectomy, dorsal laminectomy and resection of the mass. Results of histopathology and immunohistochemistry suggested that the(More)
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