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Paraphimosis

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Also Known As

Paraphimosis is the standard and most widely accepted medical term for this condition. While there are no common direct synonyms in contemporary medical literature, it is crucial to distinguish it from phimosis, which is a condition where the foreskin cannot be retracted. Older or colloquial terms are not typically used in clinical practice.

Definition

Paraphimosis is a urologic emergency that occurs in uncircumcised or inadequately circumcised males when the foreskin is retracted behind the glans penis and cannot be returned to its normal anatomical position. This entrapment leads to the formation of a constricting ring of tissue, which impairs venous and lymphatic drainage from the glans and distal foreskin. Consequently, the glans penis and the trapped foreskin become progressively edematous and swollen. If not promptly treated, this condition can lead to arterial insufficiency, ischemia, and potentially necrosis (tissue death) of the glans penis.¹ The primary purpose of recognizing and treating paraphimosis is to relieve the constriction, reduce the swelling, and restore normal blood flow to prevent severe complications, including gangrene and auto-amputation of the glans in extreme, neglected cases. The mechanism involves the tight band of the retracted foreskin acting like a tourniquet, leading to a cycle of worsening swelling and constriction.¹

Clinical Context

Paraphimosis is a urologic emergency that requires prompt medical attention. It occurs when the foreskin of an uncircumcised or partially circumcised male is retracted behind the glans penis and cannot be returned to its normal, flaccid position. This can lead to swelling of the glans and foreskin, constricting blood flow and potentially causing tissue damage or necrosis if not treated quickly. Paraphimosis can occur at any age but is more common in adolescents and adult males. It can be caused by various factors, including forceful retraction of the foreskin, failure to return the foreskin to its normal position after cleaning or urination, sexual activity, or medical procedures such as catheterization or cystoscopy. Patients typically present with pain, swelling, and discoloration of the glans. Early diagnosis and intervention are crucial to prevent complications. Treatment aims to reduce the swelling and manually reduce the foreskin. In some cases, minor surgical procedures may be necessary if manual reduction fails. Educating patients on proper foreskin hygiene and care is important for prevention.

Scientific Citation

[1] Manjunath AS, Hofer MD. Urologic Emergencies. Med Clin North Am. 2018 Mar;102(2):373-385. DOI: 10.1016/j.mcna.2017.10.013

Choe JM. Paraphimosis: current treatment options. Am Fam Physician. 2000 Dec 15;62(12):2623-6, 2628. PMID: 11142469. (Note: Direct DOI for the original AFP article is elusive. The PMID is the most reliable identifier here. A DOI found on ScienceDirect, 10.1016/j.nurpra.2006.07.009, appears to be for a different article that references Choe JM.)

Manjunath AS, Hofer MD. Urologic Emergencies. Med Clin North Am. 2018 Mar;102(2):373-385. doi: 10.1016/j.mcna.2017.10.013. PMID: 29406066.

McGregor TB, Pike JG, Leonard MP. Pathologic and physiologic phimosis: approach to the phimotic foreskin. Can Fam Physician. 2007 Mar;53(3):445-8. PMID: 17872680; PMCID: PMC1949079. (Note: This article primarily discusses phimosis, not paraphimosis, but was requested as a reference. The DOI 10.1136/adc.43.228.200 found previously seems to be for a different article; PMC and PMID are the most reliable identifiers for this specific article by McGregor et al.)

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