What are the main types of hysterectomy?
Hysterectomy is classified by how much tissue is removed (extent) and by how it is done (route). By extent, abdominal hysterectomy removes either the uterus alone (subtotal) or the uterus and cervix (total); the total operation is the more common one. A radical hysterectomy goes further, removing the parametrium (the tissue beside the cervix) and a cuff of upper vagina, and is used mainly for cervical cancer.
| Type | What is removed | Main use |
|---|---|---|
| Subtotal (supracervical) | Uterine body only; cervix left | Benign disease where the cervix is deliberately kept |
| Total | Uterus and cervix | Standard operation for benign disease |
| Radical | Uterus, cervix, parametrium and upper vagina (with lymph node assessment) | Cervical cancer |
How do total and subtotal hysterectomy compare?
A Cochrane review of nine randomised trials (1,553 women) compared subtotal with total hysterectomy for benign conditions. It did not confirm the belief that keeping the cervix improves sexual, urinary or bowel function: there was no difference in these outcomes in the short term (up to two years) or the long term (nine years).
| Outcome | Subtotal compared with total |
|---|---|
| Urinary, bowel and sexual function | No difference, short or long term |
| Operating time | About 11 minutes shorter |
| Blood loss | About 57 ml less |
| Post-operative fever and urinary retention | Less likely after subtotal |
| Ongoing cyclical vaginal bleeding up to two years | More likely after subtotal (odds ratio 16.0) |
| Blood transfusion | No difference |
What is the Querleu-Morrow classification of radical hysterectomy?
The older Piver-Rutledge-Smith classification (1974) describes five classes. It has no clear anatomical landmarks, class 1 is not truly a radical hysterectomy, class 5 is no longer used and the difference between classes 3 and 4 is unclear. It applies only to open surgery and ignores nerve preservation and the vaginal route.
The Querleu-Morrow classification (2008, updated in 2017 and supported by a 2024 international expert consensus) replaces it. It is based on the lateral extent of resection (how far the paracervix is removed), using fixed landmarks: the ureter, the uterine artery crossing and the internal iliac vascular plane. There are four types, A to D, with subtypes where needed.
| Type | Lateral limit of paracervix resection | Key features and use |
|---|---|---|
| A | Halfway between the cervix and the ureter (medial to ureter) | Limited radical hysterectomy; not a simple extrafascial hysterectomy; vaginal resection routinely under 10 mm; for selected low-risk stage IB1 tumours |
| B1 | At the ureter (ureter unroofed and mobilised laterally) | 'Modified radical hysterectomy'; about 10 mm of vagina; no paracervical lymph node removal |
| B2 | As B1 plus paracervical lymphadenectomy | No resection of vascular or nerve structures |
| C1 | At the internal iliac vessels (medial aspect) | Classical radical hysterectomy with nerve preservation; the mainstay |
| C2 | At the iliac vessels, caudal part included | No nerve preservation; bladder and hypogastric nerves sacrificed |
| D1 | Pelvic sidewall, with internal iliac vessel branches | Laterally extended parametrectomy (Palfalvi-Ungar); ultra-radical |
| D2 | D1 plus adjacent fascia/muscle structures | Laterally extended endopelvic resection (Hockel) for laterally recurrent tumours |
When is each radical type used and why do nerves matter?
- Type A: selected low-risk IB1 cervical cancer smaller than 2 cm with negative pelvic nodes, no deep stromal invasion and no lymphovascular space invasion; occasionally as completion surgery after radiotherapy or chemotherapy.
- Type C: the classical radical hysterectomy, matched to FIGO stage IB1 with deep stromal invasion and IB2 to 2A or early 2B tumours. It is the standard operation for bulky or high-risk tumours; type C1 is now the mainstay and C2 is justified only for anatomical reasons.
- Type D1: may be used for stage 2B tumours; D2 is usually for laterally recurrent tumours as a separate procedure.
Autonomic nerve preservation is the key difference between C1 and C2. In C1 the inferior hypogastric plexus is identified and preserved by cutting only its uterine branches, and the bladder branches in the vesicovaginal ligament are spared. In C2 the paracervix is transected completely with the plexus and splanchnic nerves, and the bladder branches are sacrificed. Preserving these nerves protects bladder function.
What are the surgical routes and which is preferred?
There are five main approaches for benign disease: abdominal (AH), vaginal (VH), laparoscopic (LH), robotic-assisted (RH) and vaginal natural orifice (V-NOTES) hysterectomy. Within laparoscopic hysterectomy, laparoscopic-assisted vaginal hysterectomy (LAVH), total laparoscopic hysterectomy (TLH) and single-port laparoscopic hysterectomy are distinguished.
| Comparison | Main finding |
|---|---|
| Vaginal vs abdominal | Return to normal activities probably faster after VH (about 11 days); fewer wound infections; shorter stay. VH preferred when feasible |
| Laparoscopic vs abdominal | Faster return to activity (about 13 days), shorter stay, fewer wound infections, but more urinary tract (ureteric) injuries (odds ratio 2.16) |
| Laparoscopic vs vaginal | No clear difference in return to activity; VH has shorter operating time and stay |
| Robotic and V-NOTES | No evidence of patient benefit over conventional laparoscopy; need further evaluation |
In a systematic review of 89 hysterectomy audits from India, the commonest indications for hysterectomy were fibroids, then abnormal uterine bleeding, uterovaginal prolapse and adenomyosis, and the abdominal route was the most commonly used (73% of women), followed by laparoscopic and vaginal routes.
What are the common exam traps on hysterectomy types?
- Subtotal leaves the cervix, and can be followed by persistent cyclical bleeding.
- Subtotal does not improve sexual, bladder or bowel function compared with total (Cochrane).
- Radical hysterectomy = parametrium + upper vagina, performed for cervical cancer.
- Querleu-Morrow is based on lateral extent (paracervix), not on the amount of vagina removed.
- Piver class 1 is not a radical hysterectomy; class 5 is obsolete.
- C1 spares nerves; C2 does not.
- Vaginal route is preferred for benign disease when feasible; laparoscopy trades faster recovery for more ureteric injuries compared with open surgery.