ArticleBioMed research international2018
MRI Findings of Early Myositis Ossificans without Calcification or Ossification.
Article in BioMed research international, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Imaging of acute sports injuries of the shoulder girdle.Skeletal radiology · 2026Review
- Dynamic Contrast-Enhanced MRI in the Evaluation of Soft Tissue Tumors and Tumor-Like Lesions: Technical Principles and Clinical Applications.Korean journal of radiology · 2025Review
- Malignant peripheral nerve sheath tumor in the pelvis: a case report.Surgical case reports · 2023Article
- Aggressive atraumatic myositis ossificans in a toddler.Radiology case reports · 2022Article
- Test yourself answer to question: a 77-year-old female presented with a 3-week history of left thigh swelling and pain.Skeletal radiology · 2022Article
- Post-traumatic myositis ossificans: a benign lesion that simulates malignant bone and soft tissue tumours.EFORT open reviews · 2021Review
- A nontraumatic myositis ossificans case of the forearm: Case report and literature review.Experimental and therapeutic medicine · 2021Article
- Article
- Case Report: Unusual Presentation of Myositis Ossificans of the Elbow in a Child Who Underwent Excessive Postoperative Rehabilitation Exercise.Frontiers in pediatrics · 2021Article
- Myositis ossificans in the diabetic foot: a review of the literature with an illustrative case series.JRSM open · 2019Article
- [A case of progressive ossifying myositis caused byZhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatricsArticle
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Authors and funding
7 authors.
Funding
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Abstract
purposeTo characterize and evaluate the MR imaging features of early myositis ossificans (MO) without calcification or ossification.
methodsThe MRI manifestations of seven patients with pathologically proven early MO were retrospectively analyzed with regard to tumor location, size, margins, signal intensity, and enhancement appearance in MR images. Additionally, the surrounding soft-tissue edema and adjacent bone change were assessed.
resultsAll cases (n=7) had intramuscular tumor-like masses without calcifications. The lesions appeared as isointense in T1-weighted images (T1-WI) and inhomogeneous hyperintense in T2-weighted MR images (T2-WI). On T2-WI and postcontrast T1-WI, the heterogeneously high signal intensity in the expanded muscle interspersed with a few hypointense linear structures consistent with intact muscle fibers showed "striate pattern" in the plane parallel with muscle fibers. The relatively hypointense areas with geometrical pattern consistent with the bundles of intact muscle fibers are found within the lesion with diffuse high signal intensity, displaying the "checkerboard-like pattern" in the plane vertical to muscle fibers. A "striate pattern" (n = 7) and "checkerboard-like pattern" (n = 3) in the lesion appeared in T2-WI. In contrast-enhanced MRI images, all cases showed diffuse "striate pattern" enhancement. Among them, one case demonstrated "checkerboard-like pattern" enhancement. All cases had diffuse and prominent muscle edema that preserved the muscle fascicles. For two lesions located in the deep muscle group, the adjacent bone showed bone marrow edema.
conclusionMR imaging has unique advantages for diagnosis of early MO without calcification or ossification: the "striate pattern" and "checkerboard-like pattern" appearance shown in T2-WI and contrast-enhanced MRI images can be helpful for differential diagnosis. MRI can delineate the extent of the tumor and provides accurate anatomical information, which is important in diagnosis, treatment, and follow-up.
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