Prevalence and Incidence of Testicular torsion

Prevalence/Incidence of Testicular torsion: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Testicular torsion.

Hypogonadism: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

Primary hypogonadism results directly from interstitial (Leydig’s cell) cellular or seminiferous tubular damage due to faulty development or mechanical damage. This causes increased secretion of gonadotropins by the pituitary in an attempt to increase the testicular functional state and is therefore termed hypergonadotropic hypogonadism. This form of hypogonadism includes Klinefelter syndrome, Reifenstein’s syndrome, Turner syndrome, Sertoli-cell-only syndrome, anorchism, orchitis, and sequelae of irradiation.

Secondary hypogonadism is due to faulty interaction within the hypothalamic-pituitary axis, resulting in failure to secrete normal levels of gonadotropins, and is therefore termed hypogonadotropic hypogonadism. This form of hypogonadism includes hypopituitarism, isolated follicle-stimulating hormone deficiency, isolated luteinizing hormone deficiency, Kallmann’s syndrome, and Prader-Willi syndrome. Depending on the patient’s age at onset, hypogonadism may cause eunuchism (complete gonadal failure) or eunuchoidism (partial failure).

Medications, such as exogenous testosterone or anabolic steroids, can also cause of hypogonadism, resulting in infertility.

Hypogonadism is rare, and it has no racial predilection.

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Source: Professional Guide to Diseases (Eighth Edition), 2005

Intoeing–Tibial Torsion: Intoeing–Tibial Torsion - epidemiology
(The 5-Minute Pediatric Consult)

Common and usually normal (i.e., within 2 standard deviations of the mean)

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Source: The 5-Minute Pediatric Consult, 2008

About prevalence and incidence statistics:

The term 'prevalence' of Testicular torsion usually refers to the estimated population of people who are managing Testicular torsion at any given time. The term 'incidence' of Testicular torsion refers to the annual diagnosis rate, or the number of new cases of Testicular torsion diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

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