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Combined In vivo Optical and µCT Imaging to Monitor Infection, Inflammation, and Bone Anatomy in an Orthopaedic Implant Infection in Mice

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Hallucal sesamoiditis manifested on bone scan.

Rong-Hsin Yang¹, Yum-Kung Chu

¹From the *Department of Nuclear Medicine, Taipei Veterans General Hospital; and †National Yang-Ming University School of Medicine, Taipei, Taiwan.

Clinical Nuclear Medicine

|November 12, 2013

Summary

This summary is machine-generated.

Hallucal sesamoiditis, a common cause of big toe pain, can be diagnosed using a 99mTc-MDP bone scan. This imaging technique is crucial for identifying inflammation or fractures in these small bones.

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Area of Science:

Orthopedics
Podiatry
Radiology

Background:

The hallucal sesamoids, embedded within the flexor hallucis brevis, are critical for big toe function and weight-bearing.
These small bones act as a pulley system, aiding in plantarflexion during ambulation.
Repetitive stress or acute trauma can lead to sesamoiditis or fractures.

Observation:

A case study involving a woman presenting with significant big toe pain during walking.
The patient's symptoms were indicative of potential sesamoid apparatus pathology.

Findings:

The 99mTc-MDP bone scan effectively visualized increased radiotracer uptake in the hallucal sesamoids.
This finding confirmed the diagnosis of hallucal sesamoiditis in the presented case.

Implications:

Highlights the diagnostic utility of 99mTc-MDP bone scintigraphy for hallucal sesamoiditis.
Emphasizes the importance of considering bone scans in evaluating persistent big toe pain.
Provides a valuable diagnostic tool for clinicians managing forefoot pathologies.