Male patho 0514FA Flashcards
prostatitis
dysuria. frequency. urgency. low back pain. WBC in secretions.
cause of acute prostatitis
bacterial (E.coli)
cause of chronic prostatitis
bacterial.
Abacterial (more common).
BPH commonly affects?
men > 50 yo
cause of BPH
(maybe) age-related increase in estradiol.
possible sensitization of prostate to growth-promoting effects of DHT.
what parts of prostate are affected by BPH?
nodular enlargement of periurethral lobes (LATERAL and MIDDLE), which compress urethra into vertical slit
presentation of BPH
increased freq urination.
nocturia.
difficulty starting/stopping.
dysuria.
BPH may lead to…?
distention and hypertrophy of bladder.
hydronephrosis.
UTI.
BPH and malignancy
NOT considered premalignant.
does have increase free PSA.
BPH TX
alpha 1 antagonists (terazosin, tamsulosin) -cause relaxation of smooth muscle.
finasteride - 5 alpha reductase inhibitor.
prostatic adenocarcinoma affects what age group?
men > 50 yo
where does prostatic adenocarcinoma arise?
posterior lobe (peripheral zone)
how is prostatic adenocarcinoma diagnosed?
DRE (hard nodule palpated)
and prostate biopsy
tumor markers in prostatic adenocarcinoma
prostatic acid phosphatase (PAP).
PSA (increase total PSA, decrease fraction of free PSA).
what bone changes may develop in late stages of prostatic adenocarcinoma?
OSTEOBLASTIC mets in bones - indicated by lower back pain, increase serum alk phos and PSA
cryptorchidism
undescended testis (one or both).
results in impaired spermatogenesis (sperm develops best at < 37C).
normal testosterone levels (Leydig not affected by temp)
cryptorchidism assoc with increased risk of?
germ cell tumors
risk of cryptorchidism increased by?
prematurity
bilateral cryptorchidism
decrease inhibin
increase FSH
increase LH
decrease testosterone
unilateral cryptorchidism
decrease inhibin
increase FSH
increase LH
normal testosterone*
varicocele
dilated veins in PAMPINIFORM PLEXUS due to increased venous pressure (impaired drainage).
most common cause of SCROTAL ENLARGEMENT in adult males.
varicocele occurs most on which side?
LEFT due to increased resistance to flow from left spermatic vein draining into left renal vein (vs. right spermatic vein draining directly into IVC)
how does varicocele cause infertility?
due to increased temp
how does varicocele appear?
bag of worms