GU (the fun stuff) Flashcards
When should you start routine rectal exams to screen for prostatic disease
Age 40
Is a rectal screening sensitive of specific
Very (94%) specific but not very sensitive
Where are the seminal vessels located
Just lateral to the prostate
What are the dimensions of a normal prostate
4cm wide x 3cm long x 2cm deep
Size of a walnut
What is the prostate made up of
Capsule made of CT & fascia with smooth muscle interior
What receptors are in the prostate
Alpha 2 receptors
How many sphincters does the prostate have? Which one is important in prostate CA
2 (internal and external) and the exterior one is important in prostate CA
What is a danger of BPH
Constriction of urethra backing up urine to the kidney and causing renal failure
Is a digital rectal exam (DRE) good at ruling prostate CA in or out?
Good at ruling out
What are the purposes of a DRE
Evaluation of symptoms Prostate CA screening Colorectal CA screening Evaluation of a retroverted uterus Rectal complaints (like bleeding)
What is the difference between hematachezia and melena
Melena = dark bloody stool, bleeding higher in GI tract Hematachezia = bright red bloody stool, bleeding in the distal GI tract
What is the MC male CA
Prostate CA
Prostate CA is most common over what age
50 y/o
How is prostate CA staged
Gleeson score (based on histology)
For prostate CA screening what is the biopsy cut point in terms of PSA level
PSA > 4mg/dL
What are the ACS prostate CA screening recommendations
Age 50 for baseline risk
45 for high risk (1st degree relative)
40 with multiple affected relatives
DRE & PSA q 2 years if PSA < 2.5mg/dL
What is the importance of Finasteride in prostate CA screening
It reduces the PSA levels by > 50%
What are the findings in BPH
Rubbery, nontender, symmetrically enlarged prostate w/o nodules
Does BPH increase the risk of prostate CA
No, not by itself
What are the obstructive SxS of BPH
Nocturia, hesitency, dribbling, weak stream
What is acute prostatitis
Inflammation of prostate; febrile condition caused by bacterial infection
In acute prostatitis in pt < 35 y/o what might be the cause
GC/chlamydia
In acute prostatitis in pt > 40 y/o what might be the cause
GNR - Enterobacteraciae