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      Metachronous Osteoid Osteoma of the Mid-Diaphysis of the Fibula and Distal Humerus: A Case Report

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          Abstract

          Osteoid osteomas are mostly solitary. We report a case of metachronous osteoid osteoma of mid-diaphysis of fibula followed by distal humeral osteoid osteoma after a 7-year interval.

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          Most cited references12

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          Radiologic diagnosis of osteoid osteoma: from simple to challenging findings.

          Osteoid osteoma is characterized by an intracortical nidus with a variable amount of calcification, as well as cortical thickening, sclerosis, and bone marrow edema. When these findings are present, a diagnosis of osteoid osteoma is easily made. However, osteoid osteoma may display imaging findings that can be misleading, and it can be difficult to differentiate osteoid osteoma from other conditions such as infection, inflammatory and noninflammatory arthritis, and other tumors. In addition, stress fracture, intracortical abscess, intracortical hemangioma, chondroblastoma, osteoblastoma, and compensatory hypertrophy of the pedicle may mimic osteoid osteoma. To make the correct diagnosis, it is necessary to identify the nidus, and it is important to be familiar with the radiologic findings of osteoid osteoma and its mimics.
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            Osteoid osteoma and osteoblastoma of the spine.

            Osteoid osteomas and osteoblastomas of the spine are rare primary spine tumors consisting of osteoblasts that produce osteoid and woven bone. They often involve the posterior spinal elements, with the thoracolumbar spine being the most common site of involvement. The authors review the clinical presentation, radiologic findings, and treatment in osteoid osteoma and osteoblastoma of the spine, with an emphasis on surgical management and outcomes in recent years.
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              Peritumoral edema in osteoid osteoma on magnetic resonance imaging.

              To determine whether there is a relationship between the peritumoral edema caused by osteoid osteoma seen on magnetic resonance (MR) imaging and the patient's age, duration of symptoms, or location of the lesion. All histologically proven osteoid osteomas seen in our institutions during a 5-year period in patients with known age, gender, duration of symptoms, and available radiological and MR imaging examinations were included in this study. The extent of the edema in the bone marrow and extraosseous soft tissue around the nidus of osteoid osteoma on T2-weighted MR imaging were graded from 1 (nonexistent) to 4 (extensive) by two masked observers. The relationships between the patient's age, duration of symptoms, and location of lesions were evaluated by Pearson's correlation coefficient and analysis of variance. Twenty-seven cases met the inclusion criteria. The observer agreement on grading was good. Patients of 15 years of age or younger had significantly higher grades than patients older than 15 years. There was a moderate negative linear correlation between the patient's age and peritumoral edema. No significant relationship was identified between edema and the duration of symptoms or the location of lesions. Osteoid osteomas in younger patients tend to be associated with more extensive peritumoral edema.
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                Author and article information

                Journal
                Indian J Radiol Imaging
                Indian J Radiol Imaging
                10.1055/s-00050590
                The Indian Journal of Radiology & Imaging
                Thieme Medical and Scientific Publishers Pvt. Ltd. (A-12, 2nd Floor, Sector 2, Noida-201301 UP, India )
                0971-3026
                1998-3808
                14 July 2022
                June 2022
                1 July 2022
                : 32
                : 2
                : 253-255
                Affiliations
                [1 ]Department of Orthopaedic Oncology, The Royal Orthopaedic Hospital, Birmingham, United Kingdom
                [2 ]Department of Musculoskeletal Radiology, The Royal Orthopaedic Hospital, Birmingham, United Kingdom
                Author notes
                Address for correspondence Rajesh Botchu, MBBS, MS (Orth), MRCSEd, MRCSI, FRCR Department of Musculoskeletal Radiology, The Royal Orthopaedic Hospital Bristol Road South, Northfield, BirminghamUnited Kingdom B31 2AP drbrajesh@ 123456yahoo.com
                Article
                2140362
                10.1055/s-0042-1744163
                9340177
                6a181bda-ed8b-46af-955e-8ab2b3059dbc
                Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. ( https://creativecommons.org/licenses/by-nc-nd/4.0/ )

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

                History
                Categories
                Case Report

                Radiology & Imaging
                metachronous,osteoid osteoma,fibula,humerus
                Radiology & Imaging
                metachronous, osteoid osteoma, fibula, humerus

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