Overview of Colorectal Carcinoma

Which age group has the peak incidence of colorectal carcinoma?

What is the main molecular pathway through which colorectal carcinoma arises?

What is the key feature of microsatellites in the context of colorectal carcinoma?

Which syndrome is associated with inherited mutations in DNA mismatch repair enzymes?

At what age does colorectal carcinoma usually arise de novo (not from adenomatous polyps) in hereditary nonpolyposis colorectal carcinoma?

'Napkin-ring' lesion is associated with carcinoma located in which part of the colon?

'Raised lesion' is typically seen with carcinoma located in which part of the colon?

'Vague pain' is a common presentation of colorectal carcinoma arising in which part of the colon?

'Decreased stool caliber' is a characteristic presentation of colorectal carcinoma located where?

'Occult bleeding' may be a symptom of colorectal carcinoma located where?

Which condition is not progressive and presents with intermittent dysphagia but no pain?

Where is Schatzki's ring typically located within the esophagus?

What is a distinguishing feature of Plummer-Vinson syndrome?

How is Plummer-Vinson syndrome diagnosed?

Which disorder may respond to treatment for iron deficiency?

Which disorder is more distal and located at the squamocolumnar junction proximal to the lower esophageal sphincter?

Which disorder is more proximal and located in the hypopharynx?

Which disorder is associated with iron-deficiency anemia and squamous cell cancer?

Which disorder leads to intermittent dysphagia and is not associated with pain?

Which disorder is diagnosed with a barium swallow or barium esophagogram?