Appendiceal Pathology — MCQs

During abdominal surgery under local anesthesia, the patient suddenly felt pain due to

All of the following statements about Gastrointestinal carcinoid tumors are true, Except:

Which of the following is the most complete statement about the appendix?

What is the appropriate management for a patient with a carcinoid tumor of the appendix larger than 2 cm?

What is the most common differential diagnosis for appendicitis in children?

What is the most common type of tumour of Vermiform Appendix?

A 60-year-old male chronic smoker presents with a non-healing ulcer on the lower lip for 4 months. The lesion has raised everted edges and an indurated base. A biopsy is taken from the edge of the ulcer. The histology is shown in Image 1. Which of the following best describes the structural feature that most directly confirms the cell of origin of this neoplasm?

A genetic study identifies a family with multiple members having early-onset colorectal cancer. DNA mismatch repair gene testing reveals a mutation in MLH1 gene. Which molecular phenomenon would be most prominently observed in tumor cells from these patients?

A 28-year-old man presents with difficulty swallowing solids and liquids for 2 years. Esophageal manometry shows aperistalsis in the distal esophagus and incomplete lower esophageal sphincter (LES) relaxation with wet swallows. Resting LES pressure is 45 mmHg (normal 10-30 mmHg). What is the underlying pathophysiologic defect?

What is the most common neoplasm of the appendix?