Ovarian Masses Flashcards
Ovarian cancer is ___ most common cancer in women
6th
Cases of ovarian Ca with genetic predisposition
10-15%
Lifetime risk of ovarian Ca in general population
1 in 50
Risk of ovarian cancer with BRCA 1
1 in 2
Risk of ovarian cancer BRCA2
1 in 5
Risk of ovarian cancer HNPCC
1 in 10
Peak age incidence of ovarian cancer
60s
Ovarian cancer staging
Stage I - confined to ovary
Stage II - involves 1/both ovaries with pelvic extension OR primary peritoneal cancer
Stage III - involves 1/both ovaries with spread to peritoneum outside of pelvic OR metastasis to retroperitoneal lymph nodes
Stage IV - distant metastasis excluding peritoneal metastasis
Ovarian cancer stage 1A
Limited to 1 ovary with intact capsule
No tumour in surface
Negative washings
Ovarian cancer stage 1B
Same as 1A but involves both ovaries
Ovarian cancer stage 1C1
Limited to one or both ovaries but surgical spill
Ovarian cancer stage 1C2
Capsule ruptured before surgery or tumour on ovary surface
Stage 1C3 ovarian cancer
Malignant cells in ascites or peritoneal washings
Lifetime risk of ovarian cancer with affected 1st degree relative
5%
Ca125 positive in ___% ovarian cancers
80
Tumour markers for ovarian cancer
Ca125
HE4
Ca72.4
Ca19-9
CEA
AFP
HCG
Normal CEA levels in smokers
<5
Best combination of tumour markers in ovarian cancer
Ca125 + HE4
Ovarian cancer stage IIA
Extension or implant on uterus OR fallopian tube
Ovarian cancer stage IIB
Extension to other pelvic peritoneal tissues
Ovarian cancer stage IIIA
Positive retroperitoneal lymph nodes or microscopic metastasis beyond pelvis
Ovarian cancer stage IIIA1
Positive retroperitoneal lymph nodes only
Ovarian cancer stage IIIA1i
Mets <10mm
Ovarian cancer stage IIA1ii
Mets >10mm
Ovarian cancer stage IIIA2
Microscopic extra pelvic peritoneal involvement + positive retroperitoneal lymph nodes
Ovarian ca stage IIIB
Macroscopic, extrapelvic peritoneal mets <2cm and positive retroperitoneal lymph nodes