This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Medial epicondyle leads to : 
Select and explain. 
A. Loss of sensation of thenar eminence, B. Atrophy of hypothenar eminence, C. Wrist drop, D. All
B: Atrophy of hypothenar eminence
Answer: B: Atrophy of hypothenar eminence 
Explanation: B i.e. Atrophy of hypthenar eminenceThe ulnar nerve passes just behind the medical epicondyle So the fracture would lead to injury of ulnar nerve. The ulnar nerve injury cannot cause complete paralysis of 3rd & 4Lh digits as long extensons are supplied by radial nerve.