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Indian J Orthop. 2011 Jan-Mar; 45(1): 82–86.
PMCID: PMC3004088

Ipsilateral femoral neck and trochanter fracture


Ipsilateral fractures in the neck and trochanteric region of the femur are very rare and seen in elderly osteoporotic patients. We present a case of a young man who presented with ipsilateral fracture of the femoral neck and a reverse oblique fracture in the trochanteric region following a motor vehicle accident. A possible mechanism, diagnostic challenge, and awareness required for identifying this injury are discussed.

Keywords: Femoral neck fracture, neck-trochanter fracture, pertrochanteric fracture, dynamic condylar screw


Occurrence of simultaneous ipsilateral fracture of the femoral neck and trochanteric region is rare.111 Eleven cases are described in the English language literature and 65% of these have occurred in elderly with osteoporotic bones following a fall.18 We report a case of one such injury in a young polytrauma patient and review the challenges in the diagnosis and management of this injury.


A 28-year-old male patient was sitting next to the driver seat in a sports utility vehicle which met with road traffic accident. The sudden deceleration injury caused both the knees of the patient to hit against the dash board. The patient was taken to a level 3 trauma center and later shifted to our level 1 trauma center after 48 h of injury. On presentation, the patient was conscious, oriented and hemodynamically stable. The right thigh was deformed, painful, had abnormal mobility around thigh, and was more shortened compared to the left lower limb which was in an attitude of external rotation, there was contusion over the right gluteal region. The radiographs [Figure 1] revealed a posterior dislocation of the right hip with a posterior acetabular wall fracture, an ipsilateral fracture of the shaft of the femur, reverse oblique trochanteric fracture on the left side, and a both bones fracture of the right forearm. Being a high-energy injury and in order to study the acetabular fracture morphology in detail, a noncontrast computed tomography (CT) scan with a 3D reconstruction of the pelvis was done which revealed acetabular fracture geometry and a minimally displaced femoral neck fracture on the left side [Figure 2 ac]. On a careful review of previous radiographs, a suspicious fracture line was seen on the left side, though it was not very clear.

Figure 1
Radiograph of the pelvis including both hips and thighs (an anteroposterior view) at presentation showing pertrochanteric fracture of the left femur with an ipsilateral femoral neck fracture and posterior dislocation of the right hip with a posterior ...
Figure 2
CT images of the pelvis including both hips. (a) A transverse section showing femoral neck fracture. (b) A section showing both femoral neck fracture and ipsilateral pertrochanteric fracture. (c) A 3D reconstruction image

The patient underwent open reduction and internal fixation of all his fractures in the same sitting having an irreducible dislocation on one side and a femoral neck fracture on the other about 50 h from his time of sustaining injury. First with the patient in left lateral position on the right side, open reduction and internal fixation (ORIF) of the femoral shaft fracture with a locking plate and of the posterior wall acetabular fracture with a reconstruction plate and lag screws was done. A trochanteric osteotomy was also performed on the right side to aid in the fixation of the high posterosuperior acetabular wall fracture and the osteotomy subsequently fixed with three 3.5 mm cortical screws with washers. Then the patient was put over a fracture table and the ipsilateral fracture of the femoral neck and pertrochanteric fracture on the left side were treated with a dynamic condylar screw (DCS) and an additional cannulated cancellous screw [Figure 3]. During fluoroscopy, care was taken to ensure that all the screw threads crossed the fracture lines and compression was obtained at the neck region. Finally, the fracture of the both bones of the right forearm was fixed with low-contact dynamic compression plates (LC-DCP). It took around 6 hours for all the procedures to be completed with a blood loss of 1.2 liters and patient received 3 units of blood transfusion. Postoperatively, the patient had in bed mobilization from the second postoperative day, and started weight bearing with crutches at 12 weeks. All fractures united by 5 months, and at 28-month follow-up, the patient has no evidence of avascular necrosis, and an excellent functional outcome [Figures [Figures44 and and55].

Figure 3
Postoperative radiograph of the pelvis with both hips and thighs (an anteroposterior view) showing internal fixation of all the injuries
Figure 4
(a) Radiograph of the left hip with the thigh (an anteroposterior view) at 28 months showing a good union of both the fractures and no evidence of avascular necrosis. (b) Radiographs of the right hip with the thigh (an anteroposterior view) showing a ...
Figure 5
Clinical photograph of the patient at 28-months follow-up showing the range of motion at both the hip joints


There are 11 reports in the medical literature of ipsilateral fractures of the femoral neck and intertrochanteric--pertrochanteric region.111 Of these, eight cases are reported in elderly osteoporotic patients following a fall.18 One case was of a 54-year-old person caught in olive press11 and two cases were of patients with a motor vehicle accident.9,10 The index case also followed a motor vehicle accident in a young adult male. We postulate that the patient sustained a dashboard injury which initially caused the reverse oblique trochanteric fracture, and the continued movement of the distal fragment impacted the femoral neck and caused the femoral neck fracture which was minimally displaced.

This injury being rarely seen can easily be missed on radiographic evaluation. Of the cases reported in the literature, five cases were apparent at initial radiographic evaluation,4,6,810 three were confirmed on further imaging preoperatively,3,5,7 two were identified by fluoroscopy during surgical procedure,1,2 while one was identified in a postoperative period.11 In our case, the preliminary examination of the anteroposterior radiograph did not reveal the presence of a fracture line in the femoral neck region. A lateral radiograph was not obtained in view of the multiple injuries that he had sustained. A CT scan with a 3D reconstruction of the pelvis performed for the evaluation of the contralateral acetabular fracture with a dislocation of hip revealed a fracture line at the femoral neck on the left side. Thus a CT scan with 3D reformatting was helpful in preoperative diagnosis of this injury.

A prosthetic replacement may be an option in the management of such injuries in elderly patients; however, in a young adult, preserving the femoral head should be the goal.9,10 The presence of this combination injury presents additional technical difficulties in attempted osteosynthesis.10 In one of the cases, the subcapital femoral neck fracture was missed preoperatively and during the insertion of the DHS screw, rotation of the femoral head might have occurred with an interruption in blood supply resulting later in avascular necrosis.11 A sliding hip screw is the most commonly used implant for the fixation of intertrochanteric fractures.12 However, many investigators12,13 have reported that this device is not suitable for 31-A3 reverse oblique or transverse fractures and a DCS or an intramedullary nail may be a better device.12,13 In the presence of an additional femoral neck fracture, the use of an im nail to fix this combination injury is not only a technically demanding procedure, but also there is no literature support on its use in a femoral neck fracture. Our contention also at that time was that an im nail may displace the neck fracture more and we may not get sufficient compression at the fracture site. Another important concern is the larger proximal diameter of these implants which may require the reaming of the trochanter to 15–18 mm.14 The long-term importance of removing this amount of bone from the proximal femur in a young patient is unknown14 and should be considered cautiously more so in the case of a combination fracture. Hence, in this patient having multiple fractures we performed closed reduction under fluoroscopy and fixation with DCS with an additional derotation screw. This 16-mm cancellous cannulated derotation screw also helped in achieving additional compression at the femoral neck fracture site. In the cases reported earlier [Table 1] dynamic hip screw (DHS) with or without supplemental fixation was used in six cases,2,4,5,8,9,11 in situ pinning,3 hemiarthroplasty alone,7 hemiarthroplasty with Parham bands,1 percutaneous compression plate (PCCP)6 in one case each, and cancellous cannulated screws, Knowles pin and dynamic compression plate (DCP) in one.10

Table 1
Review of the literature

Of the six cases fixed with DHS, successful result was present in five cases while one case11 in whom fracture was recognized postoperatively had fixation failure. One case3 with pinning in situ died from complications not related to surgery. Good result was also seen with hemiarthroplasty with or without Parham bands.1,7 At 4-month follow-up, the case who had a fixation with PCCP6 had a good result. The final case with cancellous cannulated screws, Knowles pin, and DCP10 also had good result at 1 year. Both the fractures united in our case and at 28-month follow-up, the patient has no signs of avascular necrosis and a nearly painless full range of motion at hip and knee and ambulates without any aids.


Source of Support: Nil

Conflict of Interest: None.


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