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Imaging features and management of tuberculomas: a review of cases and literature.
Clin Radiol
December 2024
Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex HA7 4LP, UK.
Aims: To describe the imaging features of patients presenting with soft tissue masses and a provisional diagnosis of soft tissue tumours, for whom biopsy confirmed the presence of necrotising granulomata consistent with tuberculoma.
Material And Methods: A review of the histopathology database for patients who had a diagnosis of necrotising granulomata in nonspinal sites. Patients with bone and joint-based pathology were excluded.
Ghost Sign on Diffusion-Weighted Imaging Generated Apparent Diffusion Coefficient Map: Additional MRI Diagnostic Marker for Extremity Osteomyelitis.
Indian J Radiol Imaging
January 2025
Department of Radiology, UT Southwestern Medical Center, Dallas, Texas, United States.
The aim of this study was to determine the sensitivity and specificity and inter-reader reliability of previously known "ghost sign" and "penumbra sign" on T1-weighted (T1W) imaging and "ghost sign" on apparent diffusion coefficient (ADC) map in osteomyelitis (OM) of the extremities. In this cross-sectional retrospective study, two fellowship-trained musculoskeletal readers blinded to final diagnosis of OM versus no OM were asked to report the penumbra sign and ghost sign on T1W images and ghost sign on ADC map, as well as diagnosis of OM. Cohen's kappa was used.
View Article and Find Full Text PDFDiffusion-Weighted MRI Over Standard MRI for Differential Diagnosis between Mucopyocele and Mucoceles.
Laryngoscope
October 2024
Guilloz Imaging Department, Central Hospital, University Hospital Center of Nancy, Nancy, France.
Article Synopsis
- The study investigates how well conventional MRI and diffusion-weighted MRI can differentiate between mucopyocele and mucocele using surgical outcomes for reference.
- It analyzed data from 74 patients between 2017 and 2024, noting specific MRI signal features, including T1 and T2 signal intensities and diffusion characteristics.
- Results showed distinct differences in T1 signal intensity between the two conditions, with DWI proving to be the most reliable method for diagnosis, including specificities and sensitivities for various MRI signs.
"Penumbra sign" in knee pain: a case of distal femur osteomyelitis.
Braz J Med Biol Res
February 2024
Department of Emergency Medicine, Çanakkale Mehmet Akif Ersoy State Hospital, Çanakkale, Turkey.
"Penumbra sign" is a characteristic finding in magnetic resonance imaging (MRI) of Brodie's abscess, a rare variant of subacute osteomyelitis. We aimed to discuss the imaging finding penumbra sign that will help in the diagnosis of osteomyelitis and may be useful to clinicians in differential diagnosis. A 26-year-old male patient presented to the emergency department with complaints of pain and limping in the right knee that did not go away.
View Article and Find Full Text PDFImaging Osteomyelitis: An Update.
Rofo
April 2023
Department of Radiology, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Background: Hematogenous osteomyelitis has increased over the past quarter century in frequency, virulence, and degree of soft-tissue involvement, bringing about changes in clinical manifestations and management of the disease especially in children that should be reflected in the current imaging approach. Likewise, the global disease burden of diabetes has increased greatly in the same period, compounding the problem of ascertaining osteomyelitis in diabetic foot.
Method: This article provides an updated overview of imaging findings in hematogenous and contiguous osteomyelitis based on the literature and our institutional experience, along with salient features of recent recommendations from expert groups on the diagnostic algorithms and reporting terminology.
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