All of the following statements regarding plasmacytoid variant of urothelial carcinoma of urinary bladder are true, EXCEPT?

Correct Answer: C

Rationale: Plasmacytoid urothelial carcinoma isn't chemoresistant responds to chemo (e.g., cisplatin), unlike true statement. Rare (<1%) correct prevalence. Intraperitoneal spread typical aggressive pattern. Eosinophilic cytoplasm histologic feature. Sensitivity to chemo distinguishes the error, key to its management, unlike rarity, spread, or pathology truths.

Correct Answer: B

Rationale: Active surveillance suits low/intermediate-risk prostate cancer monitor, not treat high-risk (e.g., Gleason >7). Watchful waiting (palliative) fits comorbidities less aggressive. Prostatectomy + lymph node dissection and radiotherapy are curative high-risk standards. Surveillance's low-risk focus distinguishes it, key to risk-based management, unlike palliative or definitive options.

Correct Answer: A

Rationale: Adrenal medulla receives sympathetic innervation (splanchnic nerves) triggers catecholamine release (e.g., epinephrine). Cortex lacks direct nerves hormonal control (ACTH). Parasympathetic doesn't supply adrenal vagal elsewhere. Medulla's sympathetic link distinguishes it, key to fight-or-flight, unlike cortex or parasympathetic errors.

Correct Answer: B

Rationale: Ureterocele commonly presents with urinary infections obstruction/stasis breeds bacteria (e.g., E. coli) in kids/adults. Mass is rare large ureteroceles only. Urethral mass fits prolapse uncommon. VUR is associated, not presenting secondary. Infection's frequency distinguishes it, critical for ureterocele diagnosis, unlike rare or related findings.

Correct Answer: D

Rationale: Ultrasound abdomen/pelvis isn't recommended for initial LUTS assessment optional for complications (e.g., hydronephrosis), not routine. IPSS quantifies symptoms essential. DRE checks prostate size standard. Uroflow measures obstruction key. USS's secondary role distinguishes it, critical for guideline-based evaluation, unlike primary tools.