This diagnostic X-ray image demonstrates an anteroposterior (AP) and lateral view of a right proximal femur following internal fixation of an intertrochanteric fracture with a proximal femoral nail (PFN). The orthopedic hardware consists of a metallic intramedullary nail with distal locking screws and two cephalocervical screws extending through the femoral neck into the head. The AP view clearly illustrates a mechanical complication known as the 'Z-effect.' This phenomenon is characterized by the differential migration of the two proximal screws in opposite directions: the superior (stabilizing) screw has migrated medially and penetrated the hip joint space, while the inferior (lag) screw has migrated laterally through the nail. The lateral view confirms the intramedullary position of the main nail and the abnormal orientation of the cephalic screws. This visual is a classic educational example of hardware failure and implant instability in geriatric fracture management, typically resulting from poor bone quality or inadequate fracture reduction.

This anteroposterior (AP) diagnostic X-ray of the proximal femur illustrates a post-surgical state following the treatment of an intertrochanteric fracture with a cephalomedullary nail. The orthopedic construct consists of a radiopaque intramedullary nail positioned within the femoral canal. Two cephalic lag screws are inserted through the proximal portion of the nail, extending into the femoral head and neck to provide rotational stability and compression. A notable technical finding is visualized distally: the distal locking screws appear to have missed the nail's locking aperture, as they are seen passing adjacent to the nail rather than through it. Despite this malpositioning, the overall alignment of the femur appears maintained. The image serves as a clinical teaching example for identifying technical complications during intramedullary nailing, specifically the 'missed' distal locking screw, and assessing the relationship between orthopedic implants and native bone anatomy in the context of fracture fixation.

Diagnostic radiographic images (X-rays) of the proximal femur demonstrating surgical stabilization of an intertrochanteric fracture using a Proximal Femoral Nail (PFN). Panels A and B show an anteroposterior view of the hip and proximal femur. The hardware consists of a metallic intramedullary nail (indicated by red arrows) inserted into the femoral shaft canal, through which cephalocervical screws are passed into the femoral neck and head to provide stability and compression. In image A, a distinct intertrochanteric fracture line with fragmentation is visible, showing signs of internal fixation and alignment maintenance. The bone demonstrates varying radiolucency, which may suggest underlying osteopenia or osteoporosis. This imaging is characteristic of orthopedic trauma management, specifically the internal fixation of hip fractures to facilitate healing and early mobilization. The specialty focus is Orthopedic Surgery and Traumatology.

This composite diagnostic image consists of three X-ray radiographs illustrating the surgical management of a proximal femur fracture. The leftmost image is a preoperative AP pelvis radiograph showing a reverse oblique intertrochanteric fracture of the right femur with significant lateral displacement of the distal fragment. The central and rightmost images are postoperative AP and lateral views showing fracture reduction and internal fixation with a Proximal Femoral Nail (PFN). The intramedullary device is secured proximally by two parallel cephalomedullary lag screws extending into the femoral head and neck to provide rotational stability. Distally, the nail is anchored by two transverse interlocking cortical screws in the femoral shaft. This educational content demonstrates orthopedic trauma management for unstable hip fractures using intramedullary nail systems. It is intended for intermediate to advanced medical learners focusing on radiology and orthopedic surgery.