Oncology Flashcards
What is meigs syndrome
Ovarian mass + right sides right sides pleural effusion
Ovarian tumours that cause meigs: fibroma, thecoma, cytadenom or rarely granulosa cell
Rupture of what type of ovarian cyst may cause pseudomyxoma peritonei and small bowel obstruction
Mucinous tumours
Mucinous tumours are associated with which rumour markers
CEA and Ca125
Regarding clear cell ovarian carcinoma
What is the cellular origin
Mullerian in orginin
Regarding clear cell ovarian carcinoma
What % are bilateral
10%
Regarding clear cell ovarian carcinoma
What % are associated with a uterine primary
15%
Regarding clear cell ovarian carcinoma
What is the prognosis
Poor
Regarding brenner ovarian tumours
What % are benign
If malignant what may they be associated with
99%
Bladder tumour
Regarding borderline ovarian tumours
What % are serous in origin
50%
Regarding borderline ovarian tumours
What is the 5yr survival at stage I
99%
Regarding borderline ovarian tumours
What is the 5yr survival at stage III
85%
Describe the features of an ovarian thecoma
Usually postmenopausal
Solid, yellow
Almost always benign
Fibroma - meigs syndrome
What ovarian tumour shoes signet rings on histology
Krukenburg tumours
Regarding krukenburg tumours
Where can they have metastasised from
Stomach, breast, colon
Regarding mature teratomas
What % are bilateral
What % undergo malignant change
10-15%
1% malignant change
Regarding krukenburg tumours
What % are bilateral
80%
How should ovarian cysts considered low risk be followed up in post menopausal women
Ca125 and USS every 3-4 months for 1yr, then discharge back to GP
What are the cut off values for RMI that indicate
Low risk
Moderate risk
High risk
What is the risk of malignancy for each
Low risk <25 cancer risk 3%
Moderate risk 25-250 cancer risk 20%
High risk >250 cancer risk 75%
What is the incidence of endometrial cancer in the U.K. Per 100,000 women
28:100,000 women
What is the peak age for endometrial Ca
70-79yr
Regarding endometrial Ca
What is the % known to be due to lifestyle and other known risk factors
37%
Regarding endometrial Ca
What % of those affected are <40yr
2-5%
What is lynch syndrome
Hereditary non-polyposis colorectal cancer
70% lifetime risk of colon Ca
40-60% lifetime risk of endometrial Ca
Autosomal dominant
What is the lifetime risk of endometrial Ca with lynch syndrome
40-60% lifetime risk of endometrial Ca
What is the most common gynaecological cancer in the U.K.
Endometrial Ca
Regarding endometrial Ca
If the endometrial thickened is <5mm, by how much is the risk of cancer reduced by
84%
What % of PMB is due to strophic changes
45%
What % of PMB is due to
Hyperplasia
10%
What % of PMB is due to polyps
15%
What imaging should be completed for non-endometroid type endometrial cancer
CXR
CT
What is the imaging of choice for endometroid endometrial Ca
MRI
Regarding endometrial Ca
What is the 5 year survival at stage I
75%
Regarding endometrial Ca
What is the 5 year survival at stage II
56%
Regarding endometrial Ca
What is the 5 year survival at stage III
31.5%
Regarding endometrial Ca
What is the 5 year survival at stage IV
10%
Regarding endometrial Ca
Describe stage I
Confined to uterus
A <50%
B>50%
Regarding endometrial Ca
Describe stage II
Cervical stromal invasion
Regarding endometrial Ca
Describe stage III
Local &/or regional spread
A serosa/adnexa
B vagina/parametrium
C 1 pelvic LN
C2 paraaortic LN
Regarding endometrial Ca
Describe stage IV
Invades bladder or rectum &/or distant mets
A bladder/bowel
B distant meta inc inguinal LN
Regarding endometrial Ca
What is the treatment for stage I disease
If low risk
TAH & BSO
consider laparoscopically if centre with expertise
Regarding endometrial Ca
Patients who recur following adjuvant external beam radiotherapy and brachytherapy can be treated again with radiotherapy
True or false
False
Once max radical dose of radiotherapy administered the patient cannot be rechallenged with a further radical course of radiotherapy
Regarding endometrial Ca
Do stage I is there any benefit from adjuvant radiotherapy
No
Overall good prognosis, TAH AND BSO only
Regarding endometrial Ca
Where do the majority of recurrences recur
Vault or pelvis
What is the first line investigation in primary care of a woman with nonspecific symptoms of ovarian Ca
Ca125
By how much does tamoxifen increase the risk of endometrial Ca
3-6x
What is the risk that a woman presenting with PMB will have endometrial Ca
10-15%
Regarding endometrial Ca
Describe stage II
Cervical stromal invasion
Regarding endometrial Ca
Describe stage IIIa
Tumour invades serosa or adnexa
Regarding endometrial Ca
Describe stage IIIb
Tumour invades vagina and or parametrium
Regarding endometrial Ca
Describe stage IIIc1
Pelvic node involvement
Regarding endometrial Ca
Describe stage IIIc2
Para-aortic node involvement
Regarding RMI calculation
What is the USS scoring system
1 point for Multilocular Solid areas Evidence of metastasis Ascites Bilateral lesions
0 = 0, 1 = 1, 2-4 = 3
Regarding RMI calculation
What is the scoring system for menopause
Premenopausal = 1 Postmenopausal = 3
What is the equation for RMI
RMI = U x M x ca125
Who should treat women deemed at moderate risk of malignancy based on their RMI
Lead clinician at a cancer centre
Low risk - general gynaecologist
High risk - gynae oncologist
What is the management of older women with no fertility concerns, who had limited surgery, found subsequently to be a borderline ovarian tumour
Complete surgical staging
TAH BSO, peritoneal washings, infracolic omentectomy and exploration of the entire abdominal cavity
What is systematic retroperitoneal lymphadanectomy
Block dissection if LN from pelvic side walls to the level of the renal veins
What is optimal surgical staging for ovarian Ca
Midline laparotomy, TAH BSO and infracolic omentectomy, biopsies of any perintoneal deposits, random biopsies of the pelvic and abdominal peritoneum and retroperintoneal LN assessment
What is the management of women with stage 1 grade 3 ovarian malignancy
Adjuvant chemotherapy with 6 cycles of carboplantin
What type of HPV is associated with VIN
HPV 16
What is the 5yr survival of ovarian Ca if stage1
90%
What is the 5yr survival of ovarian Ca if stage 1c
80%