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Biomedical subjects

K Waterhouse

Publications and source records attributed to K Waterhouse.

At least 37 records · Page 2Linked to original sources

Complications of partial cystectomy in patients with high grade bladder carcinoma.

We herein analyze the results of partial bladder resection in 61 patients with stage A transitional cell carcinoma. Staging was based on preoperative evaluation, operative findings and postoperative microscopic study of the specimen. In 54% of the patients with high grade malignancies local recurrences were noted and the patients eventually died of the disease. There were no recurrences in patients with low grade tumors. Therefore, the grade of bladder carcinoma should be considered when patients are chosen for this operation.

Carcinoma, Transitional Cell↗

The surgical repair of membranous urethral strictures in children.

Eighteen patients have been treated for membranous urethral strictures following rupture of the prostatomembranous urethra. In 16, satisfactory results have been attained, 1 patient has been diverted permanently, and the remaining patient has not yet undergone complete repair.

Adolescent↗

Ileal conduit surgery with a nippled ureteroileal anastomosis.

A nippled ureteroileal anastomosis was performed in 37 patients. Follow-up examination showed reflux to be absent in most patients. Ureteroileal stenosis developed in 1 patient, and this was the only patient in the series who had a clinical attack of pyelonephritis.

Adolescent↗

Renal transplantation in patients with posterior urethral valves.

Abnormalities of the lower urinary tract are relative contraindications for kidney transplantation that have been overcome by corrective operations or construction of conduits. In our 2 patients with posterior urethral valves and defunctionalized lower urinary tracts kidney transplantation with ureteroneocystostomy and later resection of the valves resulted in satisfactory bladder function and normal voiding patterns. Therefore, urinary diversion was completely avoided.

Adolescent↗

Nephrolithiasis and nephrocalcinosis after renal transplantation: a case report and review of the literature.

Stone formation in renal allografts is rare. Although infection or renal tubular acidosis can predispose to calcium deposition in a renal allograft, hyperparathyroidism is usually an accompanying factor. Parathyroidectomy is recommended as the treatment of choice when stone deposition or nephrocalcinosis occurs after transplantation. The reported case demonstrates that aggressive therapy is also necessary to eliminate calculi from the urinary system to avoid mechanical obstruction, continued infection or renal paraenchymal damage.

Adult↗

Intrarenal reflux and its relationship to renal scarring.

Intrarenal reflux found during voiding cystourethrography in children has been suggested to be a significant factor in the production of renal damage. To investigate its incidence and effect on renal growth the records and roentgenograms of 150 children with known vesicoureteral reflux were reviewed. Of these children 15 had evidence of intrarenal reflux. Their IVPs were studied for signs of renal parenchymal damage at the time of the initial voiding cystogram as well as up to 4 years later. Evidence of renal damage was seen in 4 of the 15 patients with intrarenal reflux. These same 4 children had gross vesicoureteral reflux.

Adolescent↗