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Bilateral bipartite lunate: a case report.

Manabu Akahane¹, Hiroshi Ono, Masayuki Sada

¹Division of Orthopedic Surgery, Heisei Memorial Hospital, National Insurance Medical Center of Nara, Nara, Japan.

The Journal of Hand Surgery

|March 20, 2002

Summary

A rare bilateral bipartite lunate, where the lunate bone is divided, was identified. Advanced imaging like CT and MRI helped distinguish this anatomical variant from a fracture.

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Area of Science:

Orthopedics
Radiology
Anatomy

Background:

Bipartite lunate is a rare congenital anomaly.
Accurate diagnosis is crucial to differentiate from traumatic injuries.

Observation:

A case of bilateral bipartite lunate was observed.
Radiographs revealed the lunate divided into palmar and dorsal segments.

Findings:

Computed tomography (CT) and magnetic resonance imaging (MRI) confirmed the bipartite nature.
Imaging successfully differentiated the variant from a lunate fracture.

Implications:

Highlights the importance of recognizing rare anatomical variations.
Emphasizes the role of advanced imaging in diagnosing wrist abnormalities.

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Contributes to the understanding of carpal bone development and pathology.