Osteoid osteoma: the great mimicker

Insights into Imaging

Igor P. Silva¹  Flávio D. Silva¹  Júlio B. Guimarães¹  Marcelo A. C. Nico¹  Isabela A. N. Da Cruz¹  Alípio G. Ormond Filho¹  Xavier M. G. R. G. Stump¹  Bruno C. Carneiro¹ 

[1] Department of Musculoskeletal Radiology, Fleury Medicina e Saúde Higienópolis, Rua Mato Grosso 306, 1st Floor, Higienópolis, 01239-040, São Paulo, SP, Brazil;

关键词: Bone neoplasms;    Osteoma;    Osteoid;    Diagnosis;    Differential;    Magnetic resonance imaging;    Tomography;    X-ray computed;   

DOI  :  10.1186/s13244-021-00978-8

来源: Springer

【 摘 要 】

Osteoid osteoma is a painful, benign and common bone tumor that is prevalent in young adults. The typical clinical presentation consists of pain that becomes worse at night and is relieved by nonsteroidal anti-inflammatory drugs. The most common imaging finding is a lytic lesion, known as a nidus, with variable intralesional mineralization, accompanied by bone sclerosis, cortical thickening and surrounding bone marrow edema, as well as marked enhancement with intravenous contrast injection. When the lesion is located in typical locations (intracortical bone and the diaphyses of long bones), both characteristic clinical and radiological features are diagnostic. However, osteoid osteoma is a multifaceted pathology that can have unusual presentations, such as intraarticular osteoid osteoma, epiphyseal location, lesions at the extremities and multicentric nidi, and frequently present atypical clinical and radiological manifestations. In addition, many conditions may mimic osteoid osteoma and vice versa, leading to misdiagnosis. Therefore, it is essential to understand these musculoskeletal diseases and their imaging findings to increase diagnostic accuracy, enable early treatment and prevent poor prognosis.

【 授权许可】

CC BY