Surgical techniques
Total penectomy
- Place patient in dorsal lithotomy, prep and drape, give cefazolin or other skin flora coverage
- Make transverse ellipsoid incision around base of penis (easier to close than circular), ensure evenness (scrotal edge can be longer than suprapubic edge)
- Identify penile attachments to surrounding tissue and detach
- Maximize urethral length, transect from corpora and tag with silk stitch
- Trace corpora as far proximally as able, clamp with peon/tonsil clamp, then transect and pass off field
- Tie off corpora with 2-0 V-loc suture
- Make perineal incision and divide layers down to urethra
- Bring urethral stump out through perineal incision, spatulate anteriorly/ventrally and suture to skin with 4-0 interrupted sutures
- Place catheter to maintain urinary drainage
- Close scrotal incision in two layers vertically then horizontally with 2-0 vicryl, then staple skin transversely
- Postop: remove drain following day if minimal output, treat with antibiotics x1 week and remove staples at 2 weeks
Partial penectomy
- Place patient either in supine position with froglegs (to access perineum if necessary) or dorsal lithotomy, prep/drape, give cefazolin or other skin flora coverage
- Identify tumor and its proximal extent
- Create circumcising incision around penile shaft with 1-2cm margin from tumor, divide dartos and buck fascia layers to identify urethra and corpora
- Isolate urethra and divide, try not to cauterize edges
- Clamp corpora with pean clamp then divide (make sure to leave small stump to suture
- Pass off specimen, send for frozen margin to confirm further resection not required
- Run a 2-0 V-loc suture along both corpora, then unclamp and run backwards to obtain hemostasis
- Spatulate urethra ventrally for 3+cm (will contract during healing)
- Obtain hemostasis along penile stump
- Suture urethral mucosa to skin (can include underlying dartos) at ventral point and upper corners, using 4-0 monocryl
- Place interrupted 4-0 monocryl sutures to approximate edges and obtain hemostasis
- Place catheter via urethra, then wrap with kerlex and coban, can place bacitracin on urethra (and fibrillar if oozing)
- Postop: foley x1 week, antibiotics x1 week