[Quantification of Doppler blood flow using phasedarray sector probe in renal allografts].
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Biomedical subjects
Publications and source records attributed to T Terakawa.
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A 46-year-old woman with a past history of esophageal carcinoma was hospitalized with the chief complaint of right abdominal pain. Enhanced computed tomography (CT) and selective renal angiography suggested a metastatic renal tumor. Right nephrectomy was performed. Histological examination revealed a renal tumor originated from esophageal squamous cell carcinoma. Metastatic renal tumors are frequently observed at autopsy, but clinically they are extremely uncommon. Thirty-four clinical cases of metastatic renal tumors reported in the Japanese literature during these 20 years are discussed including the present case.
Statistical studies were made on 1,637 outpatients, 568 inpatients and 563 operative procedures at our department in 1986. The most frequent diseases among the outpatients were urogenital infections followed by anomalies, tumors and stones. The major diseases among the inpatients were hypospadias, vesicoureteral reflux, benign prostatic hypertrophy, bladder tumor and congenital urethral stenosis. A total of 563 operations were performed. The five major operations were hypospadia repair, optic internal urethrotomy, transurethral resection of prostate, ureterocystoneostomy and percutaneous nephrolithotripsy.
Three cases of XYY syndrome (YY syndrome) were experienced. Two cases had such rare associated anomalies as hypospadias and cryptorchism. Pathogenesis, incidence, clinical symptoms, gonadal function and fertility of the patients with XYY syndrome are briefly discussed.
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Statistical studies were made on 1,795 outpatients, 528 inpatients and 518 operative procedures at our department in 1985. The most frequent diseases among the outpatients were urogenital infections followed by anomalies, stones and tumors. The major diseases among the inpatients were hypospadias, vesicoureteral reflux, congenital urethral stenosis, bladder tumor and benign prostatic hypertrophy. A total of 518 operations were performed. The five major operations were optic internal urethrotomy, hypospadias repair, ureterocystoneostomy, and transurethral resection of prostate and of bladder tumors.
Serum levels of luteinizing hormone and follicle-stimulating hormone before and after luteinizing hormone-releasing hormone stimulation, and levels of testosterone before and after 3 days of treatment with human chorionic gonadotropin were determined by radioimmunoassay in 98 boys with hypospadias (2 to 8 years old). The doses of luteinizing hormone-releasing hormone and human chorionic gonadotropin were calculated for body surface. The basal and peak levels of serum luteinizing hormone, follicle-stimulating hormone and testosterone in patients with hypospadias were compared with 9 endocrinologically normal boys of the same age without hypospadias. Luteinizing hormone response to luteinizing hormone-releasing hormone stimulation was significantly impaired in boys with hypospadias and also simple hypospadias (no associated anomaly). Basal levels of luteinizing hormone in boys with simple hypospadias and levels of follicle-stimulating hormone in patients with hypospadias were significantly low. The maximum testosterone response to human chorionic gonadotropin stimulation was significantly decreased in boys with severe hypospadias in direct proportion to the degree of hypospadias.
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We reviewed 272 patients with hypospadias who were treated surgically to survey the complicated anomalies in these patients. Urogenital anomalies were recognized in 40 per cent of the 272 cases and extra-urogenital anomalies were noted in 9.2 per cent. Undescended testis was the most frequently seen anomaly, having been noted in 13.2 per cent of the 272 cases. The incidence of male vagina or utriculus masculinus was 11.8 per cent, prepenile scrotum 7.7 per cent and hypoplasia of the testis 6.6 per cent. Each of these 4 anomalies associated with hypospadias increased in incidence in proportion to the severity of the penile deformity. The necessity of systemic urological and hormonal examinations was emphasized, especially in cases of severe hypospadias.
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