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Related Experiment Video

Updated: Jan 31, 2026

Isolation of Primary Mouse Retinal Glial Müller Cells

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Published on: August 30, 2024

Classification Systems in Müller-Weiss Disease: The Northern Irish Experience.

John Wong-Chung¹, Andrew Walls², Matthew Lynch-Wong²

¹Department of Foot & Ankle Surgery, Ulster Independent Clinic, 245 Stranmillis Road, Belfast BT9 5JH, Northern Ireland, UK.

Foot and Ankle Clinics

|January 29, 2026

Summary

The Wong classification system for Müller-Weiss disease offers a more comprehensive approach than the Maceira classification by considering multiple factors. This new system aids in directing surgical treatment for Müller-Weiss disease.

Keywords:

Classification Müller-Weiss disease Müller-Weissoid feet Reverse Müller-Weiss disease Reverse Müller-Weissoid feet

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Area of Science:

Orthopedics
Podiatry
Radiology

Background:

Müller-Weiss disease is a rare degenerative condition affecting the navicular bone.
Current classification systems, like Maceira's, primarily rely on Méary's angle, offering limited guidance for treatment and prognosis.
A need exists for a more comprehensive classification to guide clinical management.

Purpose of the Study:

To evaluate the limitations of the Maceira classification for Müller-Weiss disease.
To introduce and describe the Wong classification system for Müller-Weiss disease.
To propose a combined classification approach for improved treatment and prognosis.

Main Methods:

Review of the Maceira and Rochera (2004) classification system.
Detailed analysis of the Wong-Chung et al. (2023) grouping system, including its parameters (age of onset, navicular status, joint involvement, radiographic angles).
Discussion on the potential benefits of combining Maceira stages and Wong groups.

Main Results:

The Maceira classification, while descriptive of pathomechanics, does not guide treatment or prognosis.
The Wong classification incorporates multiple factors, including age, navicular integrity, joint involvement, and radiographic measurements, to direct arthrodesis surgery.
A combined classification system has the potential to become a universally accepted standard.

Conclusions:

The Wong classification provides a more detailed framework for understanding and managing Müller-Weiss disease.
Combining the Maceira stages with the Wong groups may lead to a universally accepted classification system.
A standardized classification is crucial for establishing gold standards in operative and nonoperative treatment of Müller-Weiss disease.