Adenocarcinoma Of The Prostate Flashcards
How many new diagnoses of PA each year in the uk?
30,000
How many men die from PA each year in the UK?
10,000
PA shows its peak incidence in which decade of life?
8th
What percentage of cases present with metastatic disease?
20%
What proportion of men present with PA in its early stage?
40%
What are the normal presenting symptoms? (7)
LUTS:
Voiding: 1 poor urine flow 2 post-micturition dribbling 3 hesitancy
Storage: 4 urgency 5 nocturia 6 frequency 7 urge incontinence
What do bone pain, pathological fractures and signs of hypercalcaemia on presentation suggest?
Metastatic disease
What signs on DRE suggest malignant change?
Areas of firmness and palpable nodules
Advantage of serum PSA as a screening tool?
High sensitivity
Disadvantage of serum PSA as a screening tool?
Low specificity
How is PSA used to investigate ?prostate adenocarcinoma? (2)
1 Elevated levels used in decision to biopsy 2 according to age-specific serum levels
How is TRUS performed? (4)
1 rectal ultrasound probe inserted 2 ultrasound used to locate areas in prostate for biopsy 3 biopsy needle inserted through perineum into prostate to take samples 4 ABx given prophylactically due to high risk of infection
What is the Gleason Score used for?
Grading PA
What does a Gleason Score of 1+1=2 indicate? (rare)
Very well differentiated non-cancerous tissue
What does a Gleason Score of 5+5=10 indicate? (2)
1 very poorly differentiated tissue 2 cancer likely to spread rapidly
How is extracapsular extension and pelvic lymph node spread investigated?
Pelvic MRI
When might laparoscopic node biopsy be used?
To sample enlarged nodes if considering radical treatment
How are bone metastases detected?
Isotope bone scans