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Current Affairs January 2024

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4

Prostate-specific membrane antigen has been detected in:

A. the prostate gland only

B. the central nervous system, intestine, and the prostate

C. malignant ovarian cysts, skeletal muscles, and the prostate

D. thyroid glands, adrenals, and the prostate

Correct Answer :

B. the central nervous system, intestine, and the prostate


self-explanatory.

Related Questions

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4

What is the first-line chemotherapeutic agent for metastatic castration-resistant prostate cancer?

A. bisphosphonate

B. docetaxel

C. sipuleucel-T

D. enzalutamide

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4

During retropubic radical prostatectomy, what complication could be encountered on dividing the dorsal vein complex anteriorly?

A. incontinence

B. retrograde ejaculation

C. impotence

D. anejaculation

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4

What is the proper pre-treatment risk stratification of prostate cancer for a patient with T2a, PSA < 11 ng/mL, and no Gleason score > 6?

A. low risk

B. intermediate risk

C. high risk

D. data not adequate

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4

In which of the following situations prostate biopsy is most indicated?

A. normal DRE, abnormal PSA

B. abnormal DRE, abnormal PSA

C. abnormal DRE, normal PSA

D. hyperechoic areas on TRUS

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4

In which of the following PSA readings prostate cancer is least suspected?

A. PSA velocity of 0.35 ng/mL/y, when the PSA is ≤ 2.5 ng/mL

B. PSA velocity of 0.75 ng/mL/y, when the PSA is 4 10 ng/mL

C. t-PSA is 2.8 ng/mL, f-PSA 0.94 ng/mL

D. t-PSA is 3.7 ng/mL, f-PSA 0.51 ng/mL

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4

Genetically, what are the changes associated with poor survival in prostate cancer patients?

A. loss of one or both copies of the tumor suppressor gene PTEN

B. TMPRSS2ERG chromosome fusion

C. P53 mutations and overexpression of MYC

D. all of the above

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4

What is false regarding prostate adenocarcinoma in the peripheral zone?

A. 85% of prostate adenocarcinomas are located in the peripheral zone

B. 15% of them are multifocal

C. they tend to extend outside the prostate through the perineural space

D. the presence of perineural invasion does not worsen the prognosis

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4

What class of prostate cancer medications causes an initial increase in LH, FSH levels and consequently a rise in testosterone level for few weeks?

A. GnRH agonists

B. antiandrogens

C. antimicrotubular

D. bisphosphonates

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4

What is true regarding seminal vesicles` involvement in prostate cancer?

A. is almost always due to direct extension (T2c)

B. it is involved in 85% of positive surgical margins following radical prostatectomy

C. it carries a poor prognosis

D. none of the above

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4

What are the clinical parameters of tissue ablation achieved by cryotherapy for cancer cells destruction?

A. the number of freezing cycles

B. the lowest temperature achieved

C. the existence of regional heat sinks

D. all of the above

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4

Regarding treating prostate cancer patients, watchful waiting strategy involves:

A. periodic PSA testing

B. periodic TRUS

C. all of the above

D. none of the above

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4

BPH patients on finasteride longer than 6 months are expected to have:

A. decreased t-PSA but increased f-PSA

B. decreased t-PSA but unaltered f-PSA

C. decreased t-PSA and decreased f-PSA

D. any of the above

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4

What fraction of men with a PSA value between 4 and 10 ng/mL has an organ-confined prostate cancer?

A.

B. ¼

C. ½

D.

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4

What is true regarding prostatic tissue levels of hK2?

A. intensely expressed in benign prostatic epithelium

B. increased in poorly differentiated prostate cancer tissue

C. helps differentiate benign from malignant causes of high t-PSA

D. is an organ but not pathology specific marker

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4

Which of the following tests has the highest positive predictive value for prostate cancer?

A. PSA

B. digital rectal examination

C. transrectal ultrasonography

D. human kallikrein 2

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4

What is false concerning prostate cancer?

A. the most common cause of mortality in men with prostate cancer is cardiac disease

B. is the second most common cause of cancer death in males

C. androgens have a pivotal role in prostate cancer development

D. low protein and high carbohydrate diet play a role in the development of prostate cancer

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4

What is false regarding the histology of prostatic cancers?

A. benign glands are different from malignant glands, as they contain basal cells

B. adenosis in the transitional zone carries 15% increase in cancer risk

C. the prostate has no discrete histologic capsule

D. intraductal carcinoma is morphologically worse than high-grade PIN and is typically associated with high-grade carcinoma

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4

What is false concerning TRUS prostatic biopsy?

A. a 12-core biopsy is the standard

B. in preparation for the procedure, a self-administered enema is suggested

C. sepsis might complicate the procedure

D. the biopsy path is best visualized in the coronal plane

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4

What pathologic findings after radical prostatectomy are predictive for occult metastases?

A. seminal vesicle invasion and lymph node metastases

B. positive surgical margins and seminal vesicle involvement

C. capsular penetration and lymph node metastases

D. rectal and bladder neck involvement

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4

What is false concerning the interpretation of Gleason scoring system?

A. a low score means the cancer tissue is similar to normal prostate tissue

B. it indicates how likely the tumor will spread

C. the more cellular atypia observed the higher scoring will be

D. it relies only on the glandular architectural pattern

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4

Ectopic expression of PSA occurs in all of the following, EXCEPT:

A. thyroid gland

B. breast tissue

C. adrenal glands

D. renal carcinomas

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4

Following bilateral orchiectomy for prostate cancer, testosterone will:

A. initially drop to nadir, and then recover over 2 weeks

B. decline by 50% within 2 weeks and then normalize

C. decline by 90% within 24 hours

D. decline by 70%

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4

What is against using TRUS-guided therapy for focal prostate cancer?

A. it overdiagnoses clinically insignificant cancers

B. it misses clinically significant cancers in the anterior or apical regions

C. it may underrepresent true cancer burden

D. all of the above

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4

Regarding chemotherapy for prostate cancers, nonsteroidal antiandrogens will result in:

A. elevated LH, elevated testosterone, elevated estrogen

B. elevated LH, elevated testosterone, declined estrogen

C. declined LH, declined testosterone, elevated estrogen

D. declined LH, elevated testosterone, declined estrogen

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4

Which PSA value interpretation is incorrect?

A. > 50% of men with PSA > 10 ng/mL have the disease beyond the prostate

B. pelvic lymph node involvement is found in PSA > 20 ng/mL

C. 70% of men with a PSA between 4 and 10 ng/mL have organ-confined disease

D. 80% of men with PSA < 4 ng/mL have organ-confined disease

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4

Regarding treating prostate cancer patients, watchful waiting is a reasonable option for:

A. patients who have a life expectancy ≤ 10 yrs. and/or well to moderately differentiated cancer

B. ≥ 70 yrs. of age

C. PSA < 10 ng/mL, ratio < 0.22

D. patients with good performance status

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4

Genetically, increased risk of prostate cancer has been found in men with:

A. variants in the 8q24 region on chromosome 8, in sporadic cases

B. alterations on chromosome 1, chromosome 17, and the X chromosome, in some familial cases

C. the human prostate cancer gene is on the X chromosome

D. all are true

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4

What advantage does laparoscopic/robotic prostatectomy has over open surgery in treating prostate cancers?

A. preserving potency

B. avoiding incontinence

C. less bleeding

D. all of the above

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4

What is false concerning Gleason scoring system for prostate cancers?

A. ranges from 0 -10 based on a histologic evaluation of tumor specimens

B. based on the 2 most common histologic patterns

C. greatly relies on the skills and experience of the pathologist

D. a score of 7 indicates a moderate-grade or moderately differentiated tumor

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4

What is true surrounding PSA?

A. black individuals produce more PSA than whites

B. ejaculation can lead to a false decrease in PSA

C. pro-PSA is the serum proactive form of PSA molecule

D. prostate cancer cells make more PSA than normal prostate tissues do