Kyoko Nambu

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PURPOSE To improve CT number reproducibility in helical CT, a newly developed controlled-orbit helical scan mechanism was applied. The authors developed a method for volumetric measurement of cerebral blood flow (CBF) with dynamic helical computed tomography (CT) after inhalation of xenon gas. MATERIALS AND METHODS In three subjects (two healthy men aged(More)
We herein report a rare case of primary malignant urethral melanoma developed in an elderly Japanese patient with hypertension, diabetes and hyperlipidemia. An 80-year-old female presented at our hospital with a history of urodynia and perineal pain lasting for several months. Cystoscopy revealed cystitis and urethritis with erosion. At that time, urinary(More)
We report on the development of a novel analytical HPLC technique of nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, ketoprofen and naproxen, with an isocratic aqueous mobile phase. In this study, we designed a new pH- and temperature-responsive copolymer of N-isopropylacrylamide (NIPAAm), butyl methacrylate (BMA) and(More)
A 55-year-old Japanese man presented with rapidly growing tumor in the left parotid region without any symptoms. Based on the fine-needle aspiration cytology report of parotid epithelial malignant tumor (suggestive of salivary duct carcinoma), the left parotidectomy was performed. Histopathology and immunohistochemistry examinations revealed features of(More)
We developed a method to measure regional permeability of cerebral capillary vessels, extracellular fluid space volume, and vascular bed volume using multi-slice dynamic CT with iodinated contrast medium. We implemented the method as a novel software "BBB study", and evaluated it in four cases of brain tumor. The examination time was about 20 minutes, and(More)
An 84-year-old woman suffered from post-menopausal genital bleeding for 3 months. Based on the endometrial cytological findings (suggestive of high grade neuroendocrine carcinoma) showing that there were rosette-like and cord-like structures consisting of small rounded tumor cells with oval nuclei and scanty cytoplasm, radical hysterectomy was performed.(More)
Cerebral vascular permeability is an important consideration in treatment for intracranial tumours. We have developed a new method to measure the cerebral vascular permeability quantitatively using a conventional X-ray CT scanner and iodinated contrast medium. We have already applied our method in 50 cases of intracranial tumour and 5 cases, which establish(More)
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