Ankle fractures are very common injuries and have whole spectrum of injuries. Few images of x-rays of ankle fractures are presented below
Image 1 – Bimalleolar Fracture With Tibiofibular Diastasis
Following Xray belongs to a man 29 years old male with motor vehicle accident which got his ankle injured.
Note the separation of tibia and fibula [diastasis] represented by increased space between the two. The fracture of the fibula is quite high.
There is a subluxation of the ankle as well.
Image 2 – Trimalleolar Fracture WIth Tibial Shaft Fracture
33 years old young swelling on the leg male got injured in a motor vehicle accident and presented to emergency with and inability to bear weight on the leg.
On assessment there were no injuries to any other part and his neurovascular status of the injured limb was normal.
The xrays of ankle revealed a trimalleolar fracture and a fracture line that extended up to tibial shaft.
In above xray, anteroposterior view of the ankle is seen. Fractures are marked. Posterior malleolus cannot be seen in this view but the fractured posterior malleolus has been marked in the lateral view below.
The patient was advised open reduction and internal fixation for the fractures including tibial fracture.
The patient however refused and decided to try some form of alternative therapy instead.
Image 3 – Xray of Fracture Talus with Ipsilateral Tibia Lower End Fracture
Xray of fracture Talus with concomitant ipsilateral tibia lower end fracture
Such fractures are difficult to treat and talus is prone to osteonecrosis in spite of reduction.
Image 4 -Xray of Fracture Fibula With Subluxation of Ankle
Subluxation of ankle caused by injury to ankle and fracture of fibula. The Xray that follows shows displaced fracture of fibula with subluxation of ankle joint. On left is anteroposterior view and on right is lateral view.
This patient suffered injury after he tried to get down from moving bus. His ankle got twisted and that resulted in injury. He was taken to the hospital where he was evaluated and a splint was applied. The shadow of splint is visible in Xray.
Anteroposterior View Xray of Fracture Fibula With Subluxation of Ankle
This is view on the left side and shows a fracture in fibula (upper arrow) and subluxation of ankle which is depicted by increased joint space in the ankle (lower arrow). There is no fracture of medial malleolus visible.
Lateral View Xray of Fracture Fibula With Subluxation of Ankle
This is on right side and shows fracture fibula (upper arrow). Joint space cannot be commented upon because the xray does not show it.
But there appears a fracture of cuboid in the foot (lower arrow). This fracture is not visible in the other view because of overlapping shadows of other bones of foot. We need anteroposterior view of the foot to ascertain that.
This injury has resulted from twisting force to ankle. In such cases of injury, the usual result is bimalleolar fracture i.e. Fibula as well as medial malleolus are fractured. However in fewer cases, the deltoid ligament ( Ligament that connects tibia to talus bone on the foot. This ligament is quite important in maintaining stability of the ankle joint.) breaks earlier and medial malleolus is spared.
Because the injury is to lateral as well as medial structures, this has resulted in instability of ankle joint, which is visible as subluxation.
Fracture of the cuboid bone might have resulted from the impact of the foot on the ground as the foot struck it.
Image 5 – Xrays of Bimalleaolar Fracture With Ankle Dislocation
Bimalleolar fracture is a fracture in which both the malleoli of the ankle are presented. Bimalleolar fracture with ankle dislocation occur but are not very common.
Following are pre and post treatment xrays of a patient with bimalleolar fracture with ankle dislocation.
This is a case of 40 years old male patient who sustained injury after fall from moving bike. He was presented to emergency with severe pain and swelling in the xray region.
This xray was done immediately after patient came to hospital.
You can see fracture medial and lateral malleoli along with dislocation of the ankle.
The patient was operated. Fibula was fixed with one third tubular plate and medial malleolus was treated by tension band wiring. The ankle was reduced and was stable.
The fractures are well reduced in both the views and joint line is well maintained.
- Dislocation occurs with bimalleolar fractures when trauma is quite severe. Because two malleoli provide stability to the ankle joint, fracture of the both with ligamentous disruption causes dislocation of the ankle.
- Implant of choice for medial malleolus is malleolar screw but in this case the fragment of medial malleolus is too small for a screw. So kwire fixation and tension band wiring has been performed.
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