What is the likelihood that PSA level in men with acute urinary retention due to urethral stricture will decrease after catheterization?
never
unlikely
likely
always
Correct Answer :
D. always
acute retention of urine elevates PSA levels and once relieved PSA drops.
Related Questions
a. small fibrous glands
the presence of prostate cancer
previous prostatectomy
all of the above
. Robot-assisted laparoscopic prostatectomy for prostatic adenoma has the following advantage over TURP:
What is true regarding BPH and androgens?
as a man ages, the responsiveness of prostate cells to androgenic stimuli decreases
adrenal androgens have no role in BPH development
type-1 steroid 5 α-reductase is functionally active in the hair follicle
all of the above
BPH/LUTS patients when present with mild creatinine elevation, are advised to do:
total and free PSA
renal ultrasonography
creatinine clearance
uroflowmetry
TURP carries an incidence of retrograde ejaculation of:
62 - 78%
48 - 61%
79 - 93%
34 - 47%
What is true regarding mirabegron, the β3 agonist, in treating BPH?
achieves better results when combined with antimuscarinic
enhances detrusor contractility resulting in higher Q-max
enhance detrusor relaxation during bladder-filling phase
increases voiding pressure that poses risk on renal function
What is false concerning BPH and androgenic hormones?
the most potent androgenic hormones in BPH development is DHT
type-2 steroid 5 α-reductase, is most commonly found in the prostate
castrated individuals before puberty will not develop BPH
as a man ages, the number of androgen receptors in the prostate decreases
What is (are) the indication(s) to prescribe α-adrenergic inhibitors for BPH patients?
peak flow rate of ≤ 12 mL/sec
prostate volume > 40 ml
PSA > 1.5 ng/dL
b & c
Preferably, what is the last part of the prostate to be removed while performing TURP?
bladder neck
apex
median lobe
para-collecular
BPH patients with severe irritative symptoms or microscopic hematuria should:
go for urine cytology testing
go for PSA testing
go for TRUS
use anticholinergic medication
What is true regarding the use of α-blockers and the development of Intraoperative Floppy Iris Syndrome (IFIS)?
complicates approximately 0.7% of cataract surgery cases
manifests as poor preoperative pupil dilation, iris prolapse, and progressive intraoperative miosis
it could persist long after the discontinuation of tamsulosin
intraoperative lidocaine reduces its incidence in patients taking α- adrenergic inhibitors
Which statement is false regarding TURP syndrome?
occurs because of absorption of non-sodium-containing irrigating fluid
occurs only on using unipolar TURP
results in brain edema due to dilutional hyponatremia
positioning the patient in anti-Trendelenburg helps prevent the syndrome
On treating BPH, which procedure provides the best tissue preservation for pathological examination?
TURP
TUIP
HoLEP
HoLRP
What is (are) the favorite criterion (criteria) to prescribe 5α- reductase inhibitors for BPH cases?
PSA > 1.5 ng/dL
prostate volume > 40 ml
IPSS > 19
a & b
A 55 yrs. male patient with familial BPH, IPSS 9, PSA 23ng/ml, prostate size 31 cc, PVR 54 cc, on watchful waiting management. Next step should be:
tamsulosin 0.8 mg
reassurance
repeat total and free PSA
diagnostic cystoscopy
a. lesser chance of post-operative urethral stricture
milder postoperative hematuria
tension-free bladder closure
extra-peritoneal approach
. When comparing TURP to open prostatectomy for removing prostatic adenoma, the latter has the following advantages, EXCEPT:
In BPH patients, which of the following measures reduces PSA value by one-half?
2 weeks after performing prostatic urethral lift
6-month treatment with 5α-reductase inhibitors
after placing a stent in the prostatic urethra
immediately after removing one-half of the prostate by TURP
What is the initial response of the detrusor muscle to obstruction?
increased intravesical pressure
increased detrusor pressure
increase collagen deposition in the detrusor
detrusor smooth muscle hypertrophy
What is false regarding BPH genetics?
BPH is an inheritable and progressive disease
familial BPH presents at an older age when compared to sporadic cases
approximately 90% of men in their 80s have histologic evidence of BPH
BPH tends to be more severe and progressive in black men when compared to whites
Which drug reduces the incidence of prostate cancer by 23% with a small increase in high-grade tumor incidence?
cetrorelix
flutamide
dutasteride
zanoterone
PSA value has a strong correlation with:
IPSS
post void residual
prostate volume
Q-max at uroflowmetry
To achieve better hemostasis in prostate laser surgery, what is the ideal wavelength that is easily absorbed by hemoglobin?
532 nm
694 nm
755 nm
1064 nm
What is (are) the indication(s) of upper urinary tract imaging in men with LUTS?
hematuria
recurrent urinary tract infection
renal insufficiency
all of the above
IPSS decreases after successful TURP because:
PSA decreases
the prostate size decreases
the complaints resolve
the Q.O.L improves
Anticholinergic medications work best with BPH patients who have:
small prostate
mainly median lobe hypertrophy
history of urinary retention
mainly irritative symptoms
When comparing HoLEP to open prostatectomy for a 70 g prostatic adenoma removal; what parameter goes in favor of the latter?
operation time
duration of in-hospital stay
amount of blood transfused
time to catheter removal
On treating BPH, which procedure carries the risk of morcellator injury to the bladder?
PVP
HoLEP
HoLRP
TUMT
On measuring the prostate volume during endoscopy:
each centimeter over the normal 2-cm prostate urethral length equates
an additional 12 g in prostate weight
each centimeter over the normal 2.5-cm prostate urethral length equates
an additional 10 g in prostate weight
What is false concerning the pathogenesis of BPH?
intra-prostatic levels of estrogen decrease in men with BPH
stimulation of the adrenergic nervous system results in a dynamic increase in prostatic urethral resistance
inflammation may play a role through cytokines to promote cell growth
hyperplasia occurs due to an imbalance between cell death and cell proliferation
Which of the following is NOT classified as a complicated LUTS?
LUTS with neurologic disease
LUTS with post-void dribble
LUTS with suspicious DRE
LUTS with hematuria
What is the capsular perforation rate in prostate vaporization surgery?
0.2 1%
1.2 2.1%
2.3 3.4%
3.7 5.6%