Question 1

Q: What is true about carcinoma of the esophagus?

Both adenocarcinoma and squamous cell carcinoma occur.. **Explanation:** Carcinoma of the esophagus is a significant topic in surgical oncology. The correct answer is **Option B** because esophageal cancer primarily manifests in two distinct histological types: **Squamous Cell Carcinoma (SCC)** and **Adenocarcinoma (EAC)**. While their risk factors and primary locations differ, both are recognized as the major pathological variants of the disease. **Analysis of Options:** * **Option A & C:** Historically, SCC was the most common type globally and typically occurred in the **middle third** of the esophagus. However, in Western countries, the incidence of Adenocarcinoma (usually involving the **lower third**) is rising due to GERD and Barrett’s esophagus. Globally, SCC remains more prevalent, making "Adenocarcinoma" or "Lower end" incorrect as absolute "most common" statements without geographic context. * **Option D:** Esophageal cancer shows a strong **male predominance** (often 3:1 or higher), largely due to higher rates of smoking and alcohol consumption (for SCC) and central obesity/GERD (for EAC) in men. **High-Yield Clinical Pearls for NEET-PG:** * **Most common type (Worldwide/India):** Squamous Cell Carcinoma. * **Most common type (Western world):** Adenocarcinoma. * **Risk Factors:** SCC is associated with smoking, alcohol, and achalasia cardia; EAC is strongly linked to **Barrett’s Esophagus** (metaplasia). * **Investigation of Choice:** Upper GI Endoscopy with biopsy. * **Staging:** Contrast-enhanced CT (CECT) for distant spread; **Endoscopic Ultrasound (EUS)** is the most accurate for T and N staging. * **Lymphatic Spread:** The esophagus lacks a serosa, leading to early mediastinal spread.

Question

What is true about carcinoma of the esophagus?

Accepted Answer

Both adenocarcinoma and squamous cell carcinoma occur.

Answer

The most common site is the lower end.

Answer

The commonest histology is adenocarcinoma.

Answer

It is more common in females.

Bariatric Surgery — MCQs

Bariatric Surgery — MCQs

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