Ch. 12 Prostate Anatomy
The anterior fibromuscular stroma is not affected by what 3 disorders/ diseases?
- cancer -prostatitis -hyperplasia
Anterior fibromuscular stroma
-anterior surface of the prostate
TRUS pre-exam preparation before needle biopsy includes
-cleansing enema -pre and post prophylactic antibiotics
PSA occurs with what diseases or disorders?
-prostate cancer -BPH -Prostatitis
The central zone is what percentage of the prostate gland?
25%
The prostate measures?
3x4x2 cm
What is the level for PSA that could indicate a benign or potential malignancy?
4-10 ng/ mL
The transitional zone is what percentage of the prostate tissue?
5%
What is the normal PSA levels?
<4 ng/mL
What is the level for PSA that could indicate most likely cancer?
> 10ng/ mL
Name of shadowing created by calcification in the area of the urethra and verumontanum
Eiffel Tower sign
What is the name of the duct that goes through the central zone and empties into the urethra?
Ejaculatory duct
Anterior fibromuscular stroma is what kind of tissue?
Non-glandular tissue
What is the name of the enzyme that elevates in association with prostate carcinoma?
Prostatic Acid Phosphatase
What is the name of two sac-like out-pouchings of the vas deference ?
Seminal vesicles
What is the name for longitudinal ridge within the urethra?
Verumontanum
Why is prostatic acid phosphatase not a routine screening test ?
because it may be elevated with other conditions
The transitional zone is origin site for ---
benign prostatic hyperplasia
Ejaculatory ducts pass through what zone?
central zone
What is the name for calcifications usually seen in the inner gland of the prostate?
corpora amylacea
The apex of the prostate is the ---
inferior portion of the prostate gland
The prostaticovesical branches from the --
internal iliac artery
In what position is a patient placed for a TRUS guided needle biopsy?
left lateral lichotomy or knee-elbow position
The central zone echogenicity is greater than what zone?
peripheral
PSA->
prostate-specific antigen
What supplies blood to the prostate?
prostaticovesical
What is located anterior to the prostate?
pubic bone
What is located posterior to the prostate?
rectum
The prostate is located int the _____
retroperitoneum
The central zone of the prostate is located ----
superior and at the base
The base of the prostate is the ---
superior portion of the gland
Where are the seminal vesicles located in relation to the prostate?
superior/ posterior aspect of the prostate
Name of separation between the inner and outer zone of the gland?
surgical capsule
What is located on either side of the verumontanum?
the orifices of the ejaculatory ducts
TRUS >
transrectal ultrasound
What is located superiorly to the prostate?
urinary bladder
What is located inferiorly to the prostate?
urogenital diaphragm
The prostate is ___-shaped.
walnut
