Unusual presentation of osteoid osteoma mimicking osteomyelitis in a 27-month-old infant

Osteoid osteoma is an uncommon, benign disorder of bone that is most often encountered in school-age children and in adolescents. It is quite rare in children under the age of 3 years. We report a case of osteoid osteoma with unusual clinical and imaging features in a 27-month-old toddler who presen...

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Bibliographic Details
Published in:Pediatric radiology 2003-06, Vol.33 (6), p.425-428
Main Authors: BHAT, Ishwar, ZERIN, Jeffrey Michael, BLOOM, David Adam, MOONEY, James Francis
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biopsy, Needle
Bone Neoplasms - diagnosis
Bone Neoplasms - diagnostic imaging
Child, Preschool
Diagnosis, Differential
Diseases of the osteoarticular system
Female
Humans
Knee Joint - diagnostic imaging
Knee Joint - pathology
Medical sciences
Osteoma, Osteoid - diagnosis
Osteoma, Osteoid - pathology
Osteomyelitis - diagnosis
Osteoporosis. Osteomalacia. Paget disease
Prognosis
Rare Diseases
Tomography, X-Ray Computed
Tumors of striated muscle and skeleton
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Summary:Osteoid osteoma is an uncommon, benign disorder of bone that is most often encountered in school-age children and in adolescents. It is quite rare in children under the age of 3 years. We report a case of osteoid osteoma with unusual clinical and imaging features in a 27-month-old toddler who presented with a limp and swelling of the right knee. Initial clinical evaluation, plain films, and computed tomography (CT) were strongly suggestive of chronic osteomyelitis involving the distal right femoral metadiaphysis. The appearance on nuclear medicine bone scan, however, was typical of osteoid osteoma. A biopsy of the lesion was taken and histological examination confirmed the diagnosis of osteoid osteoma. The misleading clinical and imaging features in this case are discussed.
ISSN:0301-0449
1432-1998
DOI:10.1007/s00247-003-0916-7