Prehn's sign
Prehn's sign is a clinical sign which is used in the diagnosis of testicular torsion. It is named after American urologist, John Prehn.
Definition[edit | edit source]
Prehn's sign is defined as relief of pain when the scrotum is lifted. It is used to differentiate between testicular torsion and epididymitis, two conditions with similar symptoms but different treatments.
Clinical Use[edit | edit source]
In the case of testicular torsion, lifting the scrotum generally does not relieve pain, while in epididymitis, it often does. However, the reliability of Prehn's sign in diagnosing testicular torsion is controversial, with some studies suggesting it is not a reliable indicator.
History[edit | edit source]
Prehn's sign was first described by American urologist John Prehn in 1924. He suggested that if lifting the scrotum relieved pain, it was likely that the patient had epididymitis rather than testicular torsion.
Controversy[edit | edit source]
Despite its widespread use, the reliability of Prehn's sign in diagnosing testicular torsion is controversial. Some studies have found that it is not a reliable indicator, while others have found it to be useful. As a result, it is generally recommended that Prehn's sign be used in conjunction with other diagnostic tools, rather than as a standalone test.
See Also[edit | edit source]
References[edit | edit source]
Prehn's sign Resources | ||
---|---|---|
|
|
Translate to: East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
Urdu,
বাংলা,
తెలుగు,
தமிழ்,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
European
español,
Deutsch,
français,
русский,
português do Brasil,
Italian,
polski
Navigation: Wellness - Encyclopedia - Health topics - Disease Index - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro) available.
Advertise on WikiMD
WikiMD is not a substitute for professional medical advice. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.Contributors: Admin, Prab R. Tumpati, MD