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Open Access Case report

"Primary" aggressive chondroblastoma of the humerus: a case report

K Harish1*, MG Janaki2 and N Kishore Alva3

Author Affiliations

1 Department Of Surgical Oncology, M. S. Ramaiah Medical College & Hospital, Bangalore - 560054, India

2 Department Of Radiation Oncology, M. S. Ramaiah Medical College & Hospital, Bangalore - 560054, India

3 Department Of Pathology, M. S. Ramaiah Medical College & Hospital, Bangalore - 560054, India

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BMC Musculoskeletal Disorders 2004, 5:9  doi:10.1186/1471-2474-5-9

Published: 17 March 2004

Abstract

Background

Chondroblastomas are rare epiphyseal bone tumors. Very few cases with extra-cortical aggressive soft tissue invasion or metastasis are reported.

Case presentation

We report a 28 year-old adult male who presented with a large swelling over the left shoulder region. Pre-operative imaging revealed a large tumor arising from upper end of humerus with extensive soft tissue involvement necessitating a fore-quarter amputation. Patient received adjuvant radiation.

Conclusions

This patient is one of the largest chondroblastomas to be reported. Although chondroblastomas are typically benign, rarely they can be locally aggressive or metastatic. Early diagnosis and institution of proper primary therapy would prevent mutilating surgeries and recurrences.