Fig. 4From: Reverse wedge effect following intramedullary nailing of a basicervical trochanteric fracture variant combined with a mechanically compromised greater trochantera The cephalocervical fragment was fused on the mirror image of the contralateral proximal femur. The primary fracture line of the injured side just crossed the piriform fossa. b The primary fracture line involved a small piece of the posteromedial wall of the GTBack to article page