Publications by authors named "Aiichiro Masuda"

Due to the recent dramatic increase in health care costs, costs containment for medical care has been recognized as an important issue. We evaluated the effects of a clinical pathway on hospital charges and the clinical outcome. The subjects consisted of 48 patients who underwent transurethral resection of the prostate (TUR-P) at the Department of Urology, Nerima General Hospital via its own clinical pathway during the two-year period from April 1998 to March 2000.

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We herein report the case of a bladder tumor in an 85-year-old man who had been engaged in phenacetin abuse. He had been taking phenacetin owing to migraine headaches since he was 45 year of age. His total intake of phenacetin was approximately 7.

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A 57-year-old woman presented to our hospital with macrohematuria. Renal cell carcinoma (RCC) of the left kidney with bilateral pulmonary and mediastinal lymph node metastases was diagnosed. Radical nephrectomy was performed.

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A total of 67,214 men participated in screening for prostate cancer (PC) using serum prostate-specific antigen (PSA) from April 1996 to March 2003 at Tokai University Hospital. In 3.5% (2330 / 67,214) of the men, an elevated PSA level (> 4.

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Histological therapeutic effects of neoadjuvant hormone therapy (NHT) in prostatic cancer were examined, focusing on the association with neuroendocrine differentiation (NED), using 69 radical prostatectomy cases. The effects of NHT were classified into 3 grades based on the extent of tumor degeneration as observed with hematoxylin and eosin staining. NED cells in the cancer were semi-quantified into 4 grades (negative, 1+, 2+, and 3+) by immunohistochemical staining of chromogranin A (CgA).

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Background: Although many factors have been reported as predictors of the recurrence of renal cell carcinoma (RCC), none of the factors are consistent among different studies. In the study presented here, the potential clinicopathological predictors of the recurrence of N0M0 RCC were examined.

Methods: A total of 201 patients who underwent nephrectomy for N0M0 RCC were examined to determine the pathological tumor stage (pT stage), pathological tumor grade of malignancy (tumor grade), symptoms, and tumor size.

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