1 MCQs in Medicine for NEET PG
A 62-year-old man of Northern European descent with type 2 diabetes, heavy alcohol use, and chronic manual labor presents with inability to flatten his hand on a tabletop. Examination reveals a firm palmar nodule at the base of the ring finger and a taut structure marked **D** in the diagram, causing fixed flexion at the metacarpophalangeal joint of 40° and proximal interphalangeal joint of 25°. Hueston tabletop test is positive. Histology of the resected tissue shows myofibroblast-rich type III collagen with TGF-beta and Wnt signaling activation. Which of the following best describes the pathological nature of the structure marked **D**?
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