Prostatic Carcinoma: Screening, and Treatment Options

Individual NICUs should decide based on their epidemiology. It was being used in the early 90s. Risk factors should be identified in infants before giving this. 

Screening for Prostate Carcinoma  

PSA-based cancer detection rate (2–4%). Prostatic cancer affects 30% of patients with a single PSA test. The PSA is normal in 20% of prostatic cancer patients. Hence, PSA cannot be trusted.Why Population-wide PSA screening is not a cost-effective strategy. After opportunistic screening, do the PR exam and PSA. Patients who are older than 60 undergo DRE.

Rectal Examination

• Nodules within the prostate.
• Irregular induration.
• Stony hard prostate.
• Obliteration of median sulcus.

Mp MRI 

 T2 WMRI = Examining any disease.  Diffusion-weighted MRI - Diffusion is limited when a cellular membrane encloses the lesion. It is determined if it is benign or malignant based on this information.

MR Spectroscopy: higher and lower amounts of citrate and choline, respectively.

Uses of Mp MRI

Prostate imaging reporting and data system, or PIRADS. There are PIRADS I, II, III, IV, and V. I and II stand for safe circumstances. 50% benign and 50% malignant conditions are represented by PIRAD III. IV and V stand for the cancerous state.
• Precise in assessing the regional illness.
• Has the potential to stop biopsies.
• A focused biopsy.

After Suspected Lesion

One PSA is brought up.  Unusual nodule in DRE.  A malignancy is suspected by mpMRI.  Carry out the prostate biopsy. 

 Biopsy Report

• Gleason pattern: It is the same as the Gleason grade:
  • Grade 1: Small, uniform glands (very well differentiated)
  • Grade 2: More stroma between glands.
  • Grade 3: Distinctly infiltration. (Moderately differentiated)
  • Grade 4: Irregular masses of neoplastic glands.
  • Grade 5: Only occasional gland formation (Poorly differentiated)
• Gleason score: The range of the Gleason score is 2-10. The formula for score is (most common grade + second most common grade).
• Gleason grade group

MCQ

Q. The sentinel lymph node for carcinoma is?

A. Obturator

Also Read: Undescended Testis: Causes, Treatment Options, and Risks

TNM Staging                       

• T1a: Post TURP <5%
• T1b: Post TURP>5%
• T1c: Impalpable Tm C raised PSA
• T2a: Nodule involving one lobe
• T2b: Nodule involving both lobes
• T3a: Extend through both lobes
• T3b: Seminal Vesicle Extension
• T4 – Fixed Tm
• Adjacent structures other than seminal vesicles (pelvic side wall).  

Progression of Prostatic Cancer as per Stage

• T1a: 20%
• T1b and T2: 35%
• T3 and T4: 50%
• Median survival of patients with metastatic disease is about 3 years.

Also Read: Injuries Of Testis And Testicular Torsion

Treatment Options For Prostatic Carcinoma

• Radical prostatectomy
• Radiation therapy.
• Brachytherapy: Iodine and palladium 10³
• Orchidectomy
• Chemotherapy
• Medical castration

Radical Prostatectomy

Confirm that the operation is restricted to the prostate by doing a PSMA PET test before moving further with the procedure.

Done in men with localized disease and a life expectancy greater than ten years.  

Complications: Urinary incontinence and other issues may arise.  Proceed with the prostatectomy via laparoscopy.

MCQ

Q. In patients subjected to post-radical prostatectomy, we get?

A. Stress urinary incontinence

Radiation Therapy

It is performed on people who refuse surgery; it can also be performed on patients with low-grade prostate cancer.  There are two varieties:

EBRT (External Beam Ratio Therapy): This treatment may cause radiation proctitis, diarrhea, urgency and urge incontinence, and bladder irritation.

Brachytherapy-  TRUS is used for the process.  The prostate is permanently implanted with radioactive seeds. Palladium 103 and 1–125 are utilized.

Androgen Ablation 

Orchidectomy is a possibility. Charts Huggins, who won the Noble Prize, demonstrated that prostate cancer responds to orchidectomy. Castration by medication is an option.  Non-steroidal estrogen, or stilboestrol, may be administered.

LHRH agonist: LHRH receptors are first regulated and subsequently down-regulated. They are linked to reactions known as flare-ups.  During the first ten days, testosterone levels may rise. Give antiandrogens, then.

Also Read: Anatomy Of The Testis And Its Types

Drugs That Promote Survival In Metastatic Disease

Enzalutamide, an androgen receptor blocker of the second generation.  Abiraterone (drugs that inhibit the production of testosterone or its precursor) • Decarelix (an LHRH antagonist).

Chemotherapy with taxane . Strontium 89: An Isotope for Bone Seeking that Effectively Delivers Radiotherapy to Metastatic Area.

Grouping of Patients

Low Risk 

For men in their 70s, the best course of action is typically conservative treatment. If a man with this version of the disease is younger than 70 years old, radical surgical therapy may be explored. However, even within the category, some men may choose to follow a conservative course after receiving risk vs benefit counseling.

Intermediate Risk Group

Radical prostatectomy or radical radiotherapy are the treatment options for younger men (less than 70 years of age). Active monitoring is still a possibility, especially for older individuals at the lower end of the risk range.

Transurethral resection, with or without hormone therapy, is suitable for older patients with outflow blockage. With the rate at which metabolic disease progresses after ten years, drastic treatment is expected to have a benefit of roughly 25% above a conservation approach. 

High-Risk Group

There is a high chance that these patients' diseases may worsen.  In cases where close monitoring is not feasible, early androgen ablation is preferred.  When symptoms appear, it is sense for sexually active individuals to take a cautious, conservative approach and consider androgen ablation.
Younger men with T3 illness typically receive a multimodal strategy consisting of radiation, surgery, and/or androgen ablation.

Metastatic Cancer

There is little chance of recovery once metastases have formed.  There is no problem for people who have symptoms; more than two thirds of patients will experience symptomatic alleviation from androgen ablation.

The best time to start treatment is less clear for people with asymptomatic metastases.  For younger, fitter men, systemic chemotherapy combined with docetaxel should be taken into account.

Prostate Abscess

Severe discomfort accompanied by chills and a fever.  Prostate enlargement; hot, highly sensitive, erratic. Boggy swelling is going to occur. Urine retention: suprapubic catheterization is recommended.  The recommended urethral route for R. abscess drainage.

If you are preparing for NEET-SS 2024 and ahead, check out SS ELITE Plan (Version 3.0) and what makes it the perfect study resource for your super speciality preparation. 

Hope you found this blog helpful for your NEET SS Surgery urology preparation. For more informative and interesting posts like these, keep reading PrepLadder’s blogs.