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: Surgery
Not an Intra-aicular fracture: 
Select and explain. 
A. Rolando fracture, B. March fracture, C. Bennett's fracture, D. Baon's fracture
B: March fracture
Answer: B: March fracture 
Explanation: Ans. b. March fractureMarch fracture: Fatigue fracture of shaft of second or third metatarsalRolando fracture is a three pa or comminuted intraaicular fracture-dislocation of the base of thumb.Pilon fracture: It is a communicated intra-aicular fracture of the distal end of the tibiaBennett's fracture: If is an oblique intra-aicular fracture of the base of the first metacarpal with subluxation of the trapezoid' metacarpal joint"Baon's fracture (Marginal fracture): Intra-aicular fractures through the distal aicular surface of the radius, taking a margin, anterior or posterior, of the distal radius with the carpals, displaced anteriorly or posteriorlyHoffa fractures are intra-aicular and are characterised by a fracture in the coronal plane