Pediatrics & Neonatal Biology Open Access (PNBOA)

ISSN: 2640-2726

Case Report

A Case Report of Osteoblastoma of Distal Femur: A Diagnostic Challenge

Authors: Parmar J , Shah S , Patel T , Patwa M , Vyas H and Vora M

DOI: 10.23880/pnboa-16000151

Abstract

Summary

A combination of thorough medical history, radiographic examination and clinical suspicion is at most important for differentiating osteoblastoma from osteoid osteoma. 
Key Points 
a. Osteoblastoma is a rare benign bone tumor comprising ~1% of all primary bone tumor. 
b. The size of the nidus and thorough medical history are the most important criteria to differentiate from its closest differential, osteoid osteoma. 
Abstract 
Osteoblastoma is uncommon benign bone tumor, representing approximately 1% of all primary bone tumor. The nidus of osteoblastoma is simulating to that of osteoid osteoma on histopathology and imaging, but it is larger in size. Osteoblastomas have a variable imaging appearance ranging from indolent to very aggressive, and many times difficult to differentiate from osteoid osteoma only based on imaging. A combination of thorough medical history, radiographic examination and clinical suspicion is at most important for differentiating osteoblastoma from osteoid osteoma. We present a case report of benign osteoblastoma of meta-diaphysis of distal femur in 15-year-old male child and histopathological confirmation.

Keywords: Osteoblastoma; Osteoid Osteoma; Benign Tumour; Bone Tumour

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