Staging of Ovarian cancer
dinmenace - 06-30-11 23:15

Ovarian cancer staging is by the FIGO staging system and uses information obtained after surgery, which can include a total abdominal hysterectomy, removal of (usually) both ovaries and fallopian tubes, (usually) the omentum, and pelvic (peritoneal) washings for cytopathology. The AJCC stage is the same as the FIGO stage. The AJCC staging system describes the extent of the primary Tumor (T), the absence or presence of metastasis to nearby lymph Nodes (N), and the absence or presence of distant Metastasis (M).[35]

Stage I - limited to one or both ovaries
IA - involves one ovary; capsule intact; no tumor on ovarian surface; no malignant cells in ascites or peritoneal washings
IB - involves both ovaries; capsule intact; no tumor on ovarian surface; negative washings
IC - tumor limited to ovaries with any of the following: capsule ruptured, tumor on ovarian surface, positive washings
Stage II - pelvic extension or implants
IIA - extension or implants onto uterus or fallopian tube; negative washings
IIB - extension or implants onto other pelvic structures; negative washings
IIC - pelvic extension or implants with positive peritoneal washings
Stage III - microscopic peritoneal implants outside of the pelvis; or limited to the pelvis with extension to the small bowel or omentum
IIIA - microscopic peritoneal metastases beyond pelvis
IIIB - macroscopic peritoneal metastases beyond pelvis less than 2 cm in size
IIIC - peritoneal metastases beyond pelvis > 2 cm or lymph node metastases
Stage IV - distant metastases to the liver or outside the peritoneal cavity