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Related Concept Videos

Fractures: Bone Repair01:27

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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A perfect crystal, in theory, has a uniform structure with the same unit cell and lattice points throughout. However, any deviation from this periodic arrangement is known as an imperfection or defect. These defects can be categorized into three types: point, line, and plane defects.Point defects occur when there is a deviation from the ideal due to missing atoms, displaced atoms, or additional atoms. These imperfections might occur due to imperfect packing during crystallization or because of...
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Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
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Functional Classification of Joints01:09

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Functional Classification of Joints
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Ankle Joint01:10

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Clinical Outcomes of AO/OTA Type C Distal Radius Fractures Treated With Volar Locking Plate Versus Fragment-Specific Plating.

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Updated: Apr 6, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Perilunate Dislocations and Fracture Dislocations.

Raghuveer C Muppavarapu1, John T Capo1

  • 1Division of Hand Surgery, NYU Hospital for Joint Diseases, New York University School of Medicine, 530 First Avenue, Suite 8U, New York, NY 10016, USA.

Hand Clinics
|July 25, 2015
PubMed
Summary

Prompt surgical repair of perilunate dislocations and fracture dislocations is crucial for effective treatment. Anatomic restoration and ligament repair offer better outcomes than previous closed management methods.

Keywords:
Carpal dislocationCarpal ligament injuryLunate dislocationPerilunate injuryWrist instability

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Area of Science:

  • Orthopedic Surgery
  • Hand and Wrist Surgery
  • Traumatology

Background:

  • Perilunate dislocations and fracture dislocations result from axial loading with wrist hyperextension, ulnar deviation, and intercarpal supination.
  • These injuries have a high rate of misdiagnosis.
  • Historically, closed management was favored but proved ineffective.

Purpose of the Study:

  • To review current literature on perilunate dislocations and fracture dislocations.
  • To discuss surgical techniques for restoring carpal alignment.
  • To detail methods for repairing the scapholunate interosseous ligament.

Main Methods:

  • Review of current scientific literature.
  • Discussion of combined dorsal and volar surgical approaches.
  • Focus on anatomic restoration and direct ligament repair.

Main Results:

  • Anatomic restoration of carpal alignment and direct ligament repair yield superior results compared to closed management.
  • A combined dorsal and volar approach is the preferred surgical strategy.

Conclusions:

  • Prompt treatment of perilunate injuries is essential.
  • Surgical intervention with anatomic restoration and ligament repair is the current standard of care.
  • Effective management requires addressing the scapholunate interosseous ligament.