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  • Print publication year: 2011
  • Online publication date: May 2011

25 - Fundamentals of the genitourinary system

Summary

Urology is the study of diseases of the urinary tract and the male reproductive system. Some of the earliest operations described are urological procedures and the ancient Egyptians are known to have performed circumcision, surgical castration and cystolithotomy (open removal of bladder stones).

Functional disorders of micturition may lead to urine incontinence or urine retention. Metabolic abnormalities may result in renal stone disease. Developmental abnormalities are seen in the neonate and the developing child. Urological cancers are common and their management can affect continence, fertility and quality of life.

Despite the numerous diseases that can affect the urinary tract, the presenting symptoms are few, making accurate diagnosis dependent on the careful imaging of structural abnormalities as well as a functional assessment of voiding and renal function.

Anatomy and developmental anomalies

Kidney

Gross anatomy

The adult kidney, a paired organ, is approximately 11 cm long, weighs 150 g and lies in the retroperitoneum. Posteriorly, the upper half lies on the diaphragm with the psoas, quadratus lumborum and transversus abdominis muscles from medial to lateral on the lower half.

Anteriorly, the right kidney is covered on its medial aspect by the second part of the duodenum and the liver overlying the upper pole and hepatic flexure of the colon covering the lower part of the anterolateral aspect.

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Further reading
Bullock, N, Sibley, G, Whittaker, R, Cox, P. Essential Urology. ChurchillLivingstone, 1989.
Lloyd-Davies, W, Parkhouse, H, Gow, J, Davies, D. Colour Atlas of Urology. 2nd edn. Wolfe Publishing, 1994.
Tanagho, EA, McAninch, JW. Smith's General Urology. 14th edn. Appleton & Lang, 1995.
Walsh, P, Retik, A, Vaughan, E, Wein, A (eds). Campbell's Urology. 7th edn. Saunders, 1998.