The original Enzian classification for endometriosis was revised in 2011.
Patient selection: woman with endometriosis
Main compartments:
A: rectovaginal septum and vagina
B: sacrouterine ligament and pelvic wall
C: rectum and sigmoid colon
Size
Grade
< 1 cm
1
1 to 3 cm
2
> 3 cm
3
If there is no endometriosis in a compartment then the grade is 0.
Designation for each site:
Additional sites in retroperitoneum (designated F for far):
FA: adenomyosis
FB: bladder
FU: ureter
FI: bowel proximal to rectosigmoid
FO: other site (abdominal wall, etc)
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Specialty: Obstetrics & Gynecology