AI Article Synopsis
- The study aims to differentiate imaging features of maxillo-mandibular actinomycosis from intraosseous carcinoma using CT and PET scans.
- A review of cases from 1997 to 2016 identified 13 instances of suspected actinomycosis, revealing common imaging patterns like spotty bone resorption in a majority of patients.
- The findings suggest that while actinomycosis and intraosseous carcinoma share similarities in clinical presentation, specific imaging techniques can help in distinguishing between them, potentially leading to faster treatment options.
Article Abstract
Objectives: Clinical features and imaging findings of maxillo-mandibular actinomycosis are similar to those of intraosseous carcinoma. The purpose of this study is to clarify the characteristics of the imaging findings for screening of maxillo-mandibular actinomycosis using CT and PET.
Methods: Reports on maxillo-mandibular actinomycosis published between 1997 and 2016 were searched in PubMed using "actinomycosis," "maxilla," and "mandibular" as keywords. Ten cases suspected to have malignant tumors on diagnostic imaging findings were selected. In addition, three patients who visited Gunma University Hospital were also included. The 13 total cases were subjected to a pooled analysis of diagnostic screening of maxillo-mandibular actinomycosis using CT, F-FDG-PET/CT (FDG-PET/CT) and F-α-methyl tyrosine PET/CT (FAMT-PET/CT). Additionally, cases of intraosseous carcinoma were analyzed as comparative controls to investigate the difference between maxillo-mandibular actinomycosis and intraosseous carcinoma on CT imaging.
Results: CT images of the 13 cases with maxillo-mandibular actinomycosis were investigated; spotty-type bone resorption was observed in 66.7% (8/12). Moreover, FDG-PET/CT showed abnormal accumulation, but FAMT-PET/CT showed no apparent abnormal accumulation.
Conclusions: Clinical and imaging findings of maxillo-mandibular actinomycosis are similar to those of intraosseous carcinoma. Differential diagnostic screening can confirm spotty-type bone resorption in cortical bone with CT and specific accumulation in malignant tumors with FAMT-PET/CT. This screening facilitates the rapid implementation of therapeutic interventions.
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| http://dx.doi.org/10.1007/s11282-020-00421-6 | DOI Listing |
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Image screening for maxillo-mandibular actinomycosis with CT, F-FDG-PET/CT, and F-α-methyl tyrosine PET/CT.
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Department of Oral and Maxillofacial Surgery and Plastic Surgery, Gunma University Graduate School of Medicine, 3-39-22 Shouwamachi, Maebashi City, Gunma, 371-8511, Japan.
Article Synopsis
- The study aims to differentiate imaging features of maxillo-mandibular actinomycosis from intraosseous carcinoma using CT and PET scans.
- A review of cases from 1997 to 2016 identified 13 instances of suspected actinomycosis, revealing common imaging patterns like spotty bone resorption in a majority of patients.
- The findings suggest that while actinomycosis and intraosseous carcinoma share similarities in clinical presentation, specific imaging techniques can help in distinguishing between them, potentially leading to faster treatment options.
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Service de Stomatologie et Chirurgie Maxillo-faciale, Cliniques Universitaires de Bruxelles, Belgique.
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