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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...

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Related Experiment Video

Updated: Jan 11, 2026

Assessment of Bone Fracture Healing Using Micro-Computed Tomography

Assessment of Bone Fracture Healing Using Micro-Computed Tomography

Published on: December 9, 2022

ULTRASONOGRAPHIC EVALUATION OF BONE HEALING IN METACARPAL AND PHALANGEAL FRACTURES.

Antonio Carlos da Costa¹, Thiago Barros Pinheiro², Anees Salim Saad³

¹Irmandade Santa Casa de Misericordia de Sao Paulo, Grupo de Mao e Microcirurgia, Sao Paulo, SP, Brazil.

Acta Ortopedica Brasileira

|November 12, 2025

Summary

Ultrasonography (USG) detects callus formation in hand fractures about 18 days earlier than radiography. This suggests USG is a valuable tool for monitoring bone healing in metacarpal and phalangeal fractures.

Keywords:

Finger Phalanges Fracture Fracture Healing Metacarpals Ultrasonography

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Last Updated: Jan 11, 2026

Assessment of Bone Fracture Healing Using Micro-Computed Tomography

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Published on: December 9, 2022

The Generation of Closed Femoral Fractures in Mice: A Model to Study Bone Healing

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Published on: August 16, 2018

In Vivo Evaluation of Fracture Callus Development During Bone Healing in Mice Using an MRI-compatible Osteosynthesis Device for the Mouse Femur

In Vivo Evaluation of Fracture Callus Development During Bone Healing in Mice Using an MRI-compatible Osteosynthesis Device for the Mouse Femur

Published on: November 14, 2017

Area of Science:

Orthopedics
Radiology
Biomedical Engineering

Background:

Fracture healing assessment is crucial for patient outcomes.
Radiography is the standard imaging modality for evaluating bone healing.
Early detection of callus formation can optimize treatment strategies.

Purpose of the Study:

To compare the efficacy of ultrasonography (USG) versus radiography in identifying callus formation and assessing fracture healing in metacarpal and phalangeal bones.

Main Methods:

A prospective observational study involving patients with metacarpal and phalangeal fractures.
Fractures were managed conservatively or surgically with Kirschner wire fixation.
Serial weekly ultrasonography and radiographic examinations monitored callus formation until confirmed bone healing.

Main Results:

A significant difference was observed in the mean time of callus appearance between ultrasonographic and radiographic evaluations.
Ultrasonography identified callus formation approximately 18.2 days earlier than radiography across all variables.

Conclusions:

Ultrasonography is a sensitive and earlier indicator of bone healing compared to radiography for hand fractures.
USG offers a valuable alternative for the early diagnosis of bone healing in phalangeal and metacarpal fractures.