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Brown's Tumor Presenting as a Pathological Humerus Fracture: A Rare Diagnostic Pitfall

L Adithya Narayan1, P Velmurugan1, M R Thirunthaiyan1

  • 1Department of Orthopedic Surgery, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India.

Journal of Orthopaedic Case Reports
|July 10, 2026
PubMed
Summary

Brown's tumor, a rare manifestation of hyperparathyroidism, can mimic aggressive bone lesions. Early biochemical testing is crucial for accurate diagnosis and to prevent misdiagnosis of this metabolic bone disorder.

Keywords:
Brown’s tumorhumerushyperparathyroidismosteitis fibrosa cysticapathological fracture

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Bones of the Upper Limb: Humerus01:19

Bones of the Upper Limb: Humerus

The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...