Urological Cancers Flashcards
What are the different types of kidney cancer?
- Renal cell carcinoma (85%)
- Transitional cell carcinoma (10%)
- Sarcoma/Wilms/Other (5%)
What are the risk factors of kidney cancer?
- smoking
- renal failure
- dialysis
- obesity
- hypertension
- Von Hippel-lindau syndrome (genetic) , 50% develop kidney cancer
What is a red flag symptom of kidney/urological malignancy?
- painless visible haematuria
- persistant microscopic haematuria
What are the features of renal cell carcinoma?
- loin pain
- palpable mass
- metastatic disease symptoms (bone pain, haemoptysis)
What should be done when painless visible haematuria is seen?
- flexible cystoscopy
- CT urogram
- Renal function
What should be done when persistent non-visible haematuria is found?
- flexible cystoscopy
- US KUB
What investigations should be done when kidney cancer is suspected?
- CT renal triple phase
- staging Ct chest
- bone scan if symptomatic
What is the Fuhrman tumour grading system?
1 - well differentiated
2 - moderate differentiated
3+4 - poorly differentiated
What does a classification of T1 of TNM tumour staging mean for kidney cancer?
Tumour ≤ 7cm
What does a classification of T2 of TNM tumour staging mean for kidney cancer?
Tumour >7cm
What does a classification of T3 of TNM tumour staging mean for kidney cancer?
Extends outside kidney but not beyond ipsilateral adrenal or perinephric fascia
What does a classification of T4 of TNM tumour staging mean for kidney cancer?
Tumour beyond perinephric fascia into surrounding structures
What does a classification of N1 of TNM tumour staging mean for kidney cancer?
Met in single regional LN
What does a classification of N2 of TNM tumour staging mean for kidney cancer?
met in ≥2 regional LN
What does a classification of M1 of TNM tumour staging mean for kidney cancer?
distant met
What is the management of kidney cancer dependent on?
patient specific
- ASA status
- Co-morbidities
- Classification of lesion
What is the gold standard management of kidney cancer?
excision via:
- Partial nephrectomy
- Radical Nephrectomy
When is a partial nephrectomy done?
- single kidney
- bilateral tumour
- multifocal RCC in patients with VHL
- T1 tumours (up to 7cm)
What is the management of kidney cancer for patients with small tumours unfit for surgery?
cryosurgery
What is the management of kidney cancer with metastatic disease?
receptor tyrosine kinase inhibitors
What are the different types of bladder cancer?
- Transitional cell carcinoma (>90%)
- squamous cell carcinoma (1-7%) - (75% with endemic schistosomiasis)
- adenocarcinoma (2%)
What are the risk factors of bladder cancer?
- smoking
- occupational exposure (aromatic hydrocarbons)
- chronic inflammation of the bladder (stones, schistosomiasis, LT catheter)
- drugs (cyclophosphamide)
- radiotherapy
What is a red flag symptom of bladder/urological malignancy?
- painless visible haematuria
- persistant microscopic haematuria
What are the other clinical features of bladder cancer?
- suprapubic pain
- lower urinary tract symptoms
- UTIs
- metastatic disease symptoms (bone pain, lower limb swelling)
What does a classification of T1 of TNM tumour staging mean for bladder cancer?
invades subepithelial connective tissue
What does a classification of T2 of TNM tumour staging mean for bladder cancer?
invades muscularis propria
What does a classification of T3 of TNM tumour staging mean for bladder cancer?
invades perivesical fat
What does a classification of T4 of TNM tumour staging mean for bladder cancer?
prostate, uterus, vagina, bowel, pelvic or abdominal wall
What does a classification of N1 of TNM tumour staging mean for bladder cancer?
1 LN below common iliac birufication
What does a classification of N2 of TNM tumour staging mean for bladder cancer?
> 1 LN below common iliac birufication
What does a classification of N3 of TNM tumour staging mean for bladder cancer?
Mets in a common iliac LN
What does a classification of M1 of TNM tumour staging mean for bladder cancer?
distant mets
What does a classification of Ta of TNM tumour staging mean for bladder cancer?
non invasive papillary carcinoma
What does a classification of Tis of TNM tumour staging mean for bladder cancer?
carcinoma in situ
What does a G1 WHO classification of bladder cancer mean?
well differentiated
What does a G2 WHO classification of bladder cancer mean?
moderately differentiated
What does a G3 WHO classification of bladder cancer mean?
poorly differentiated
What happens in a cystoscopy and transurethral resection of bladder lesion
- use of heat to cut out all visible bladder tumour
- provides histology and possibly curative
- if tumour extends beyond muscle, resection is incomplete to prevent bladder perforation
What does the management of bladder cancer depend on?
where or not it has invaded the muscle
What is the management protocol if the bladder tumour is non-muscle invasive?
If low grade and no CIS
- cystoscopic surveillance
- +/- intravesicular chemotherapy/BCG
What is the management protocol if the bladder tumour is muscle invasive?
- Cystectomy
- Radiotherapy
- +/- chemotherapy
- Palliative treatment
What are the types of prostate cancer?
adenocarcinoma (>95%)
What are the risk factors of prostatic cancer?
- age
- western nations (scadivanians)
- ethnicity (africanamericans)
What are the clinical features of prostate cancer?
usually asymptomatic unless metastatic
What investigations are done when prostate cancer is suspected?
- blood tests
- MRI
- Trans perineal prostate biopsy
What blood tests are done when prostate cancer is suspected?
PSA - prostate specific antigen
What can cause a raised PSA?
- UTI
- Prostatitis
- Benign Prostatic Hyperplasia
- Prostate cancer
What MRIs are done when prostate cancer is suspected?
- multiparametric MRI
What is the current gold standard investigations for detecting prostate cancer?
- multiparametric MRI
- MRI targeted biopsy
What is the previous gold standard investigations for detecting prostate cancer?
transrectal ultasonography-guided prostate biopsies
What is a Trans perineal prostate biopsy?
Systematic template biopsies of the prostate
Why are Trans perineal prostate biopsies commonly used?
- less risk of infection
- able to sample all areas of the prostate.
What does a classification of T1 of TNM tumour staging mean for prostate cancer?
non palpable or visible on imaging
What does a classification of T2 of TNM tumour staging mean for prostate cancer?
palpable tumour
What does a classification of T3 of TNM tumour staging mean for prostate cancer?
beyond prostatic capsule into periprostatic fat
What does a classification of T4 of TNM tumour staging mean for prostate cancer?
tumour fixed onto adjacent structure/pelvic side wall
- spread to other nearby organs (bladder, pelvic wall, rectum)
What does a classification of N1 of TNM tumour staging mean for prostate cancer?
regional Lymphnodes (pelvis)
What does a classification of M1a of TNM tumour staging mean for prostate cancer?
cancer cells in lymphnodes outside the pelvix
What does a classification of M1b of TNM tumour staging mean for prostate cancer?
cancer cells are found in the bone
What does a classification of M1 of TNM tumour staging mean for prostate cancer?
cancer has spread to other parts of the body outside the pelvixother sites
What does a Gleason score of 2-6 of prostate cancer mean?
well differentiated
What does a Gleason score of 7 of prostate cancer mean?
moderately differentiated
What does a Gleason score of 8 of prostate cancer mean?
poorly differentiated
What does a classification of T1a of TNM tumour staging mean for prostate cancer?
cancer is <5% of removed tissue
What does a classification of T1b of TNM tumour staging mean for prostate cancer?
cancer is >/=5% of removed tissue
What does a classification of T1c of TNM tumour staging mean for prostate cancer?
found by biopsy (often after a raised PSA level)
What does a classification of T2a of TNM tumour staging mean for prostate cancer?
only in 1/2 of one side of the prostate
What does a classification of T2b of TNM tumour staging mean for prostate cancer?
in more than 1/2 of one side of the prostate (not both)
What does a classification of T2c of TNM tumour staging mean for prostate cancer?
in both sides of the prostate gland, but still inside the prostate gland
What does a classification of T3a of TNM tumour staging mean for prostate cancer?
cancer has broken through the capsule of the prostate gland
What does a classification of T3b of TNM tumour staging mean for prostate cancer?
cancer has spread into the seminal vesicles
What does a classification of N0 of TNM tumour staging mean for prostate cancer?
nearby lymphnodes don’t contain cancer cells
What is the management of prostate cancer dependent on?
- patient age
- co-morbidities
- stage and grade of prostate cancer
What is the management of prostate cancer if the patient is young and fit with high grade cancer?
- radical prostatectomy
- radiotherapy
What is the management of prostate cancer if the patient is young and fit with low grade cancer?
active surveillance
- PSA, and DRE/quaterly
- MRI (occasionally biospies)/annually
What is the management of prostate cancer if the patient is old and unfit with high grade cancer?
hormone therapy
What is the management of prostate cancer if the patient is old and unfit with low grade cancer?
watchful waiting (regular PSA testing)
What should be done post prostatectomy?
- monitor PSA for relapse/6 months
should be undetectable
What is an undetectable PSA level?
<0.01ng/ml
What PSA level would indicate a relapse?
> 0.2ng/ml
What is the impact of a prostatectomy on continence?
- contains the proximal sphincteric unit
- removes the proximal urethral sphincter
- risk of damage to the cavernous nerve impacting bladder function
- changes in urethral length
What is the main treatment for the continence issues cause by a prostatectomy?
- PFE
- artificial urinary sphincter device
What is the impact of cavernous nerve damage?
- erectile dysfunction
- bladder dysfunction (responsible for bladder and urethra innervation)
What is involved in the treatment of erectile dysfunction caused by cavernous nerve damage?
- PDE5 inhibitors
- prostaglandin E1 injections
- Penile prosthesis devices