Ovarian Cancer Flashcards
What genes are implicated in ovarian cancer?
BRCA1
BRCA2
HNPCC type 2
What are the BRCA 1&2 gene?
Breast and ovarian cancer gene’s
Typical presentation?
” 61 y/o woman presents with 3/12 history of progressive worsening abdominal bloating. She was recently diagnosed with IBS but her symptoms have not improved with diet modifications. O/e her abdomen is distended and slightly tender. Pelvic exam shows the cervix deviated to one side slightly. Bi-manual palpation shows an adnexal mass. “
The IBS diagnosis was incorrect but is a strong DDx for ovarian cancer.
How else can ovarian cancer present in emergency?
Ovarian torsion –> acute abdomen
Systemic symptoms?
Systemically well
What GI symptoms may be present in ovarian cancer?
Lower abdo mass
Dyspepsia
Early satiety –> weight loss
Abdominal distention
Late stage = ascites
How might the urinary system be affected by an adnexal mass?
Pressure –> urgency
What are risk factors besides BRCA1,2 and HNPCC?
Older Early menarche Late menopause Nulliparity HRT/OCP
Investigations of suspected ovarian cancer?
USS
Bloods
MRI
What bloods are most important?
CA125
What blood test should be done if <40 y/o?
AFP
What scores can be used for ovarian cancer?
RMI
FIGO staging
What is the RMI?
Risk of malignancy index
UxMxCA125
USS Findings (1 point for each)
- Ascites
- Mass
- Multinodular cysts
- Mets
- Bilateral
M = menopause
- +3 if yes
- +1 if no
CA125
- Can range form 0-1000s
What is the staging of ovarian cancer?
FIGO staging
What is FIGO stage one?
Tumour confined to one ovary
What is FIGO stage2A?
Tumour has extended to uterus/tubes
What is FIGO stage2B?
Extension to other intraperitoneal pelvic organs
What is FIGO stage 3A?
Retroperitoneal lymph nodes
Stage 3B?
Small mets to extrapelvic organs
Stage 3C?
Large mets to extrapelvic organs
Stage 4?
Distant mets
Order of FIGO staging?
Stage 1 - confined to ovary
Stage 2a - extends to uterus/tubes
Stage 2b - local intraperitoneal organs
Stage 3a - retroperitoneal lymph nodes
Stage 3b - small mets to non pelvic organs
Stage 3c - large mets to non pelvic organs
Stage 4 - distant mets
Treatment of stage 1?
Oophorectomy
Treatment of stage 2, 3, 4
Chemo
What chemo drugs can be used?
Paclitaxel
Cisplatin