ovarian cancer Flashcards
Surface Epithelium tumors
Serous Mucinous Endometriod Clear Cell Transitional
Sex Cord Stromal Tumors
Granulosa Cell
Thecoma
Fibroma
Seroli Leydig
Germ Cell Tumors
Dysgerminoma Yolk Sac Embryonal Carcinoma Choriocarcinoma Teratoma
What type of cancers are reduced due to salpingectomy?
Clear Cell and Endometriod primarily
Risk Reducing BSO
decreased ovarian by 96% and Breast by 53%
Risk of primary peritoneal cancer after
salpingo-oophorectomy: 4%
Occult ovarian cancer at the time of surgery:
2-17%
BRCA1 35-40
BRCA2 40-45
Can consider for other genes for ovarian ca like lynch
Screening for high risk for ovarian cancer
CA 125 and U/S every 6 months
Which ovarian cancer patients should have genetic testing
ALL
ovarian cancer work-up
Most helpful imaging:
Pelvic ultrasound
CT abdomen/pelvis with PO and IV contrast
Most helpful labs:
CA-125, CA 19-9, CEA
Inhibin B, HCG, AFP, LDH, testosterone (if younger, solid
mass, or hyperestrogenism/androgenism)
Staging surgery for Ovary
Vertical midline incision Obtain peritoneal cytology Intact tumor removal Complete abdominal exploration Removal of remaining ovaries, uterus, tubes Pelvic/para-aortic lymphadenectomy Omentectomy Random peritoneal biopsies Appendectomy (particularly if mucinous)
Very Basic Ovary Staging
1- overy
2- Pelvis
3- beyond pelvis (nodes or microscopic mets)
4- Distant
Chemotherapy for ovarian
Stage 1 grade 1- observe stage 1 grade 2- observe or chemo Stage 1 grade 3- Carbo/taxol 3-6 cycles Stage 1c- carbo/taxol 3-6 cycles Stage II-IV - Carbo/taxol 6-8 cycles Neo- 3-4 cycles (surgery) 3-4 cycles
What is the response rate for chemo?
75-80% respond to chemo
What is platinum resistance?
recurrence <6 months
What are maintenance therapy options?
PARP inhibitors (DNA repair)- genetic mutations
Bevacizumab (VEGF antibody)
Pazopanib
Surveillance with ovarian Cancer
Visit with exam every 3 months x 2 years, 6 months x 3 yrs
CA-125 optional
Imaging if concern for recurrence
Low Grade Serious
Similar progression free survival (19 months), but longer
overall survival (82-99 months)
More chemotherapy resistance
Treat with (aggressive) surgery
Hormonal therapy (GnRH, aromatase inhibitors,
progesterones)
Borderline Work-up
Surgical staging 25-30% with extra-ovarian disease Up to 25% will have invasive disease on final path Peritoneal biopsies and omentectomy Oophorectomy Appendectomy if mucinous Lymphadenectomy “case by case”
Borderline Treatment
Excellent survival > 98%
Even if no invasion or non-invasive implants, recurrence
is possible (~30% after fertility sparing surgery)
Surveillance is needed
Visits with exam every 3-6 months
Pelvic ultrasound if fertility sparing surgery – every 6-12
months?
CA-125?
Unsure value of completion hysterectomy/USO after
childbearing, may consider
Immature Teratoma
20% of primitive germ cell tumors (3% of teratomas) Contains immature neural elements/tubules Only GCT that is graded Tumor marker: none (sometimes AFP) Surgery – USO and staging Adjuvant therapy Early stage (IA): none required All other stages: Bleomycin/etoposide/cisplatin Overall survival 70-80%
Dysgerminoma
Most common malignant germ cell tumor (50%)
Bilateral in 15%
Tumor marker is LDH (8% HCG, no AFP)
Abnormal karyotype in 5% of patients (associated
with gonadoblastoma)
Surgical management includes:
USO and staging
BSO if abnormal karyotype (gonadoblastoma)
Debulking of uncertain value
Adjuvant therapy for advanced disease
Chemotherapy (BEP)
Endodermal Sinus Tumor
Yolk sac tumor
20% of germ cell tumors
Median age 18 years
Tumor marker is AFP
Schiller-Duval bodies on path (central capillary surrounded by
connective tissue and layer of columnar cells)
Surgical goal is diagnosis
All patients will require adjuvant treatment
Bleomycin/etoposide/cisplatinum or radiation therapy
Poor survival (even with early stage)
Embryonal, Choriocarcinoma,
Polyembryoma
Very rare cancers
Tumor marker is hCG
Poor survival due to late diagnosis
Treat with BEP or GTN regimen
Granulosa Cell Tumor Markers
Estrogen, Inhibin, Testosterone, AMH
Call-Exner Bodies
Sertoli Leydig
AFP, Estrogen, Inhibin, Testosterone >2.5x normal, Androsteindione, DHEA
may secrete renin (hypertension, hypokalemia)
Reinke Crystals
Treatment for sex-cord stromal
TAH/BSO or fertility
sparing surgery, omentectomy and biopsies,
and/or complete tumor debulking; lymph
node involvement is rare
BEP or carbo/taxol
Do get an endometrial biopsy
Meigs syndrome
Solid adnexal mass
Pleural Effusions
Ascites
- usually fibroma (benign)