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Afzalabadi, Seyedeh Hanie, Seilanian Toosi, Farrokh, Zamani, Ghasem, Mousavian, Alireza, Ahmadzadeh, Amir Mahmoud, Aminzadeh, Behzad. (1404). The Value of Apparent Diffusion Coefficient from Diffusion-Weighted Imaging in Differentiating Osteomyelitis and Reactive Bone Marrow Edema in Diabetic Patients. , 13(11), 750-756. doi: 10.22038/abjs.2025.70340.3300
Seyedeh Hanie Afzalabadi; Farrokh Seilanian Toosi; Ghasem Zamani; Alireza Mousavian; Amir Mahmoud Ahmadzadeh; Behzad Aminzadeh. "The Value of Apparent Diffusion Coefficient from Diffusion-Weighted Imaging in Differentiating Osteomyelitis and Reactive Bone Marrow Edema in Diabetic Patients". , 13, 11, 1404, 750-756. doi: 10.22038/abjs.2025.70340.3300
Afzalabadi, Seyedeh Hanie, Seilanian Toosi, Farrokh, Zamani, Ghasem, Mousavian, Alireza, Ahmadzadeh, Amir Mahmoud, Aminzadeh, Behzad. (1404). 'The Value of Apparent Diffusion Coefficient from Diffusion-Weighted Imaging in Differentiating Osteomyelitis and Reactive Bone Marrow Edema in Diabetic Patients', , 13(11), pp. 750-756. doi: 10.22038/abjs.2025.70340.3300
Afzalabadi, Seyedeh Hanie, Seilanian Toosi, Farrokh, Zamani, Ghasem, Mousavian, Alireza, Ahmadzadeh, Amir Mahmoud, Aminzadeh, Behzad. The Value of Apparent Diffusion Coefficient from Diffusion-Weighted Imaging in Differentiating Osteomyelitis and Reactive Bone Marrow Edema in Diabetic Patients. , 1404; 13(11): 750-756. doi: 10.22038/abjs.2025.70340.3300

The Value of Apparent Diffusion Coefficient from Diffusion-Weighted Imaging in Differentiating Osteomyelitis and Reactive Bone Marrow Edema in Diabetic Patients

The Archives of Bone and Joint Surgery
مقاله 10، دوره 13، شماره 11، بهمن 2025، صفحه 750-756    اصل مقاله (1.07 M)
نوع مقاله: RESEARCH PAPER
شناسه دیجیتال (DOI): 10.22038/abjs.2025.70340.3300
نویسندگان
Seyedeh Hanie Afzalabadi1؛ Farrokh Seilanian Toosi1؛ Ghasem Zamani2؛ Alireza Mousavian2؛ Amir Mahmoud Ahmadzadeh1؛ Behzad Aminzadeh* 1
1Department of Radiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
2Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
چکیده
Objectives: This study evaluated the diagnostic performance of the apparent diffusion coefficient (ADC) in distinguishing osteomyelitis from reactive bone marrow edema (RBME).
Methods: This cross-sectional study included three groups of consecutive patients with diabetic foot ulcers (DFU) presenting with osteomyelitis, RBME, or healthy bone. All patients had DFU and were referred for magnetic resonance imaging (MRI). Patients with a history of foot surgery or biopsy before MRI, those who received antibiotic therapy for three or more days before imaging, and those with contraindications to MRI were excluded from the study. Osteomyelitis was confirmed by tissue biopsy, whereas RBME was diagnosed by exclusion. All participants underwent diffusion-weighted imaging (DWI), and ADC values were measured independently by two radiologists who were blinded to the clinical diagnosis. The diagnostic performance of ADC was then assessed.
Results: A total of 45 patients with diabetic foot ulcers (DFU) were recruited, of whom 18 (40.0%) had osteomyelitis, 16 (35.6%) had reactive bone marrow edema (RBME), and 11 (24.4%) had healthy bone tissue. Osteomyelitis demonstrated significantly higher ADC values compared to normal bone (P < 0.001) and significantly lower ADC values compared to RBME (P < 0.001). Using a cut-off value of 1478.0 × 10⁻⁶ mm²/s, ADC differentiated osteomyelitis from RBME with an accuracy of 88.2%, sensitivity of 94.4%, specificity of 81.2%, and an area under the curve (AUC) of 0.958.
Conclusion: These findings support the applicability of diffusion-weighted imaging (DWI) as a non-invasive and accurate diagnostic tool for differentiating osteomyelitis from reactive bone marrow edema.
        Level of evidence: IV
کلیدواژه‌ها
Diabetes mellitus؛ Magnetic resonance imaging؛ Osteomyelitis؛ Reactive bone marrow edema
مراجع
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