1 MCQs in Medicine for NEET PG
A 54-year-old man with lifelong recurrent epistaxis, mucocutaneous telangiectasias on lips and tongue, and iron-deficiency anemia undergoes upper GI endoscopy. Multiple bright-red lesions are identified in the stomach and duodenum, as shown in the diagram. The structure marked **A** represents the characteristic mucosal finding. Which of the following best explains the pathophysiology of these lesions in this patient?
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