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Fractures: Bone Repair

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...

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Related Experiment Video

Updated: May 15, 2026

Orthopedic Robot-Assisted Femoral Neck System in the Treatment of Femoral Neck Fracture

Orthopedic Robot-Assisted Femoral Neck System in the Treatment of Femoral Neck Fracture

Published on: March 3, 2023

Hoffa nonunion, two cases treated with headless compression screws.

Matthijs Paul Somford¹, Bas van Ooij¹, Matthias U Schafroth¹

¹AMC-Orthopedic Surgery, Meibergdreef, Amsterdam, The Netherlands.

The Journal of Knee Surgery

|January 5, 2013

Summary

Nonunion of rare Hoffa fractures (coronal distal femoral condyle fractures) can heal with debridement, headless screw compression, and bone grafting. Both patients achieved excellent function and minimal pain post-operatively.

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Published on: November 8, 2024

Area of Science:

Orthopedic surgery
Traumatology
Bone healing

Background:

Coronal fractures of the distal femur, or Hoffa fractures, are uncommon, with nonunion being even rarer.
These fractures typically affect the lateral femoral condyle more frequently than the medial condyle.
Open reduction and internal fixation are the standard treatment for Hoffa fractures.

Observation:

Two cases of Hoffa fracture nonunion (one medial, one lateral) were analyzed.
Despite no soft tissue attachment, the nonunion fragments were clinically and histologically vital.
The nonunion fragments were vital both clinically and histologically, even without soft tissue attachment.

Findings:

Surgical treatment involved debridement, compression using headless screws, and extensive bone grafting.
Both cases of Hoffa fracture nonunion demonstrated successful healing after the operative intervention.
The treatment protocol led to the successful union of both medial and lateral Hoffa fracture nonunions.

Implications:

This approach offers a viable solution for treating complex Hoffa fracture nonunions.
Successful healing resulted in excellent functional outcomes and minimal pain for the patients.
The findings suggest that headless screw fixation combined with bone grafting is effective for Hoffa fracture nonunion recovery.