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Madelung's deformity: quantitative radiographic comparison with normal wrists.

H R McCarroll¹, M A James, W L Newmeyer

¹Shriners Hospital for Children, Northern California, CA, USA. hreltonm@comcast.net

The Journal of Hand Surgery, European Volume

|August 13, 2008

Summary

Madelung

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Area of Science:

Orthopedics
Radiology
Anatomy

Background:

Madelung's deformity is a rare condition affecting wrist development.
Accurate diagnosis is crucial for effective management.
Radiographic measurements are key in assessing wrist morphology.

Purpose of the Study:

To evaluate the diagnostic utility of four specific radiographic measurements in Madelung's deformity.
To identify which measurement is most effective in differentiating between affected and normal wrists.
To explore the potential of these measurements in detecting early-stage Madelung's deformity.

Main Methods:

Comparison of ulnar tilt, lunate subsidence, lunate fossa angle, and palmar carpal displacement.
Radiographic analysis of 26 patients with Madelung's deformity and 48 healthy individuals.
Statistical comparison of measurement ranges and overlap between the two groups.

Main Results:

Madelung's deformity wrists showed a wider range of measurement values compared to normal wrists.
The lunate fossa angle exhibited the least overlap between Madelung's deformity and normal wrists.
A lunate fossa angle exceeding 29 degrees was identified as a potential indicator for early Madelung's deformity.

Conclusions:

The lunate fossa angle is a valuable measurement for diagnosing Madelung's deformity.
Radiographic assessment, particularly the lunate fossa angle, can aid in identifying early-stage disease.
Further research may refine the use of these measurements for clinical decision-making.

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