Cervical Cancer Querleu-Morrow Radical Hysterectomy Type — free guideline decision tool

Standardise radical hysterectomy by lateral parametrial resection extent (Querleu-Morrow A/B/C/D), with resection landmarks, nerve handling and typical indications. Instant, browser-side.

A minimal (medial to ureter); B at ureteric level (B1 / B2 + paracervical nodes); C at internal-iliac junction (C1 nerve-sparing preferred / C2 non-sparing); D laterally extended pelvic-wall resection (LEER).

Communicate and standardise the radicality of radical hysterectomy for cervical cancer using the Querleu-Morrow classification.

The classification is defined by how far laterally the parametrium is resected, replacing the older Piver-Rutledge system. Type C1 (nerve-sparing) is the preferred standard radical procedure; C2 sacrifices autonomic nerves and causes more voiding/rectal dysfunction. Voiding and rectal dysfunction broadly increase from type A through C2. The 2017 update reinforced C1 as the preferred type-C operation, reserving C2 for when nerves cannot be spared.

For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.

Inputs: Surgical type A — minimal resection → Result: Q-M type Type A（Type: Type A (minimal resection), Resection landmark: Paracervix transected medial to the ureter (between cervix and ureter), Nerve handling: Autonomic nerves not involved, bladder branches preserved） Inputs: Surgical type D — laterally extended resection (LEER) → Result: Q-M type Type D（Type: Type D (laterally extended resection), Resection landmark: Entire paracervix resected at the pelvic wall (incl. internal iliac vessels; D2/LEER also adjacent fascia/muscle), Nerve handling: Nerves sacrificed, resection reaches the pelvic wall）