Abstract
Nonmalignant bone tumors represent a wide variety of different entities but maintain many common features. They usually affect young patients, and most can be diagnosed through imaging exams. Often asymptomatic, they can be discovered incidentally. Due to their similarities, these tumors may be challenging to diagnose and differentiate between each other, thus the need for a complete and clear description of their main characteristics. The aim of this review is to give a picture of the benign bone tumors that clinicians can encounter more frequently in their everyday work.
Highlights
In patients affected by a spine osteoid osteoma, this can result in scoliotic posture; differential diagnosis is fundamental [17]
One of the most common deformities caused by fibrous dysplasia is the “shepherd’s crook” varus deformity of the proximal femur that presents with pain and eventually limping
The main entity often included in the histologic differential diagnosis of non ossifying fibroma (NOF) is the focal cortical dysplasia (FCD): they refer to the same histopathological process, but NOF
Summary
Unicameral bone cysts, known as solitary bone cysts, are lesions filled with fluid and lined with fibrous tissue. UBC is one of the most frequent, with a predominance of male over female of 2 to 1. 80% of cases in teenagers or patients in their 20s [103]. UBCs development is thought to be associated with venous circulation disorders, blockage in the venous flow causes bone resorption because of increased pressure and an association with increased inflammatory protein levels in the intracystic fluid [104]
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