Prepuce
Key points
Dorsal penile nerve blocks
incomplete block at the level of the frenulum due to additional innervation from the perineal nerve - needs ring block
Glans ischaemia
Can happen due to penile block
Resolves with sildenafil, enoxaparin, levobupivicaine caudal for vasodilatory effect
Glans injury
Primary repair - replantation of glans
Can do urethrostomy if severe injury
Zipper injuries
Compression for 20 mins, use oil to release or cut zipper with bone cutter
Minor lacerations - chloramphenicol
Megaprepuce
Large redundant inner prepuce causing appearance of ballooning at base as it fills with urine
Can look like buried penis
Can present with UTIs
Needs modified circumcision - may need to be staged repair
References
Werner Z, Hajiran A, Al-Omar O. Congenital Megaprepuce: Literature Review and Surgical Correction. Case Rep Urol. 2019 May 14;2019:4584609. doi: 10.1155/2019/4584609. PMID: 31218089; PMCID: PMC6536951.