The Imaging of Myositis Ossificans

Tyler, Philippa; Saifuddin, Asif

doi:10.1055/s-0030-1253161

Cited by 109 publications

(111 citation statements)

References 15 publications

(24 reference statements)

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“…Moreover, areas of low signal intensity on MR images may not be recognized as calcifications or ossification, so it is important to consider MO in the differential diagnosis and to assess for the characteristic zonal pattern of mineralization on Radiographs or CT images [2]. CT is the most sensitive imaging method for detecting heterotopic mineralization, zoning phenomenon [6], it identify the typical patterns of this disease including the separation of the mass from the adjacent cortex and the decreased attenuation of the center of the mass [7]. MO is often confused with and must be distinguished from osteosarcoma, but pain and swelling in osteosarcoma are persistent and progressive [8] and cortical destruction is present on bone radiographs, with a neoplasia on histopathology.…”

Section: Discussionmentioning

confidence: 99%

Non Traumatic Myositis Ossificans Mimicking a Malignant Neoplasm: A Case Report

Tahiri¹,

Chbani²,

Tizniti³

et al. 2012

OJRad

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Myositis ossificans is a benign self limiting condition that usually related to trauma. Despite a clinically and histologically distinct entity, myositis ossificans still causes considerable difficulties in diagnosis. A 33-year-old Moroccan woman presented with a 2-month history of left inguinal inflammatory pain with limping gait, MRI examination suggested a malignant neoplasm such as soft tissue osteosarcoma. A diagnosis of myositis ossificans was made by incisional biopsy. Conservative management with clinical and radiological follow up of 19 months confirm the diagnosis. The symptoms resolved within seven months. Myositis ossificans should be considered by clinicians as a possible diagnosis for a soft tissue lesion.

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Section: Discussionmentioning

confidence: 99%

Non Traumatic Myositis Ossificans Mimicking a Malignant Neoplasm: A Case Report

Tahiri¹,

Chbani²,

Tizniti³

et al. 2012

OJRad

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“…Die Myositis ossificans oder auch Myositis ossificans circumscripta genannt, ist eine gutartige "nichtneoplastische" heterotope Ossifikation, die häufig mit traumatischenMuskelverletzungenassoziiert ist ("post-traumatic myositis ossificans", PTMO [17][18][19] [20]. Sonographisch lässt sich in der Anfangsphase (1 bis 4 Wochen) eine hypoechogene "Raumforderung" mit beginnenden, kleinen, peripheren Verkalkungen nachweisen, welche deutlich früher als im konventionellen Röntgen erscheinen.…”

Section: Myositis Ossificansunclassified

Muskelverletzungen des Sportlers

Loizides

Gruber

Peer³

et al. 2017

Radiologe

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“…Consequently, conditions such as posttraumatic myositis ossificans (PTMO), which may be readily apparent on radiographs, can remain nonspecific on MRI. 23,31 MRI protocols used to assess muscle disorders vary but commonly include a combination of pulse sequences in both long-axis (sagittal or coronal) and shortaxis (axial or transverse) planes. Longaxis images (parallel to long bones) are prescribed with a field of view sufficient to provide an overview of the proximalto-distal extent of a muscle disorder.…”

Section: Musclementioning

confidence: 99%

The Pearls and Pitfalls of Magnetic Resonance Imaging of the Upper Extremity

Strudwick¹,

Anderson²,

Dimmick³

et al. 2011

J Orthop Sports Phys Ther

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Magnetic resonance imaging (MRI), like computed tomography, can produce images in any anatomical plane, visualize and analyze a variety of tissue characteristics, as well as quantify blood flow and metabolic functions. It does not use ionizing radiation but, rather, utilizes an apparently safe interaction between static magnetic fields, radio waves, and atomic nuclei. Randomly oriented tissue nuclei are aligned by a powerful, uniform magnetic field. Properly tuned radiofrequency (RF) pulses then disrupt this magnetization and, as the nuclei recover their alignment by relaxation processes, they produce radio signals that are proportional to the magnitude of the initial alignment. is capable of producing images in any anatomical plane, visualizing and analyzing a variety of tissue characteristics, as well as quantifying blood flow and metabolic functions. Although MRI details of compact bone and calcium are poor when compared to those taken with plain radiography or computed tomography, its high soft tissue contrast discrimination and multiplanar imaging capabilities are significant advantages. Musculoskeletal anatomy and neurovascular bundles are well delineated. The advent of MRI has revolutionized the clinician's ability to confirm a proper diagnosis for musculoskeletal problems, which has led to more directed, specific rehabilitative protocols. However, the value of MRI to rehabilitative professionals has been even greater in its ability to identify serious, more uncommon pathologies, such as in those with underlying infection, fracture, or tumor, that require immediate care and are considered to be beyond their scope of practice. Furthermore, MRI, with its precise delineation of fat, muscle, and bone, is an ideal candidate for imaging of muscle disease or injury and has emerged as the method of choice for the detection of early cartilage wear in young patients, such as osteoarthritis. Finally, this imaging modality can avoid radiation exposure in a predominantly younger patient cohort commonly affected by musculoskeletal diseases. The aim of this paper is to consider how physical therapists may take advantage of the diagnostic value of MRI of the upper limb, while avoiding the pitfalls of misinterpretation of images as a result of technical issues, pathological changes, or normal variants. Ther 2011;41(11):861-872. doi:10.2519/jospt.2011 J Orthop Sports Phys T T KEY WORDS: MRI, musculoskeletal, radiology Image ContrastTissue contrast (differences in signal, T1 and T2) develops as a result of the rates at which nuclei realign with the main magnetic field. T1 is the time constant that describes how magnetization returns to its original state of equilibrium after the RF perturbation (T1 relaxation). It is an exponential process that depends on the interaction of the nucleus with its surroundings. T2 is the time constant that describes the process whereby the nuclear spins go out of phase with each other, losing their initial synchronization (T2 relaxation). 2 These processes occur together and cannot be separ...

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The Imaging of Myositis Ossificans

Cited by 109 publications

References 15 publications

Non Traumatic Myositis Ossificans Mimicking a Malignant Neoplasm: A Case Report

Non Traumatic Myositis Ossificans Mimicking a Malignant Neoplasm: A Case Report

Muskelverletzungen des Sportlers

The Pearls and Pitfalls of Magnetic Resonance Imaging of the Upper Extremity

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