II. Pathophysiology
III. Findings
- Presents 2 to 4 weeks after injury
- Most commonly affects the quadriceps femoris Muscle, brachialis Muscle and hip adductor Muscles
- Similar findings as with Quadriceps Contusion
- Prolonged, localized Muscle pain
- Affected joint is stiff with reduced range of motion, as are the adjacent joints
IV. Differential diagnosis
V. Imaging
-
Bedside Ultrasound
- Preferred first-line study
- XRay
- May demonstrate ossifications at 3 to 4 weeks
- MRI
- Hyperintense mass
- T2 may demonstrate calcifications
VI. Management
- Anticipate a prolonged course of spontaneous resolution
- Maintain limb range of motion
- NSAIDs
- Activity restriction
- Consider surgical intervention if lesions persist at 12 months
VII. Prevention
- Early cold therapy
- Acetaminophen is preferred in first few days for pain after injury to decrease bleeding risk
- Start gentle, static Stretching after first 48 hours following injury
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Related Studies
Definition (NCI) | A disorder characterized by non-neoplastic bone formation in soft tissues. It usually follows blunt trauma and bleeding in the deep soft tissues. |
Definition (MSH) | A disease characterized by bony deposits or the ossification of muscle tissue. |
Concepts | Disease or Syndrome (T047) |
MSH | D009221 |
SnomedCT | 44551007, 156720008, 203030008 |
English | Muscle calcification, Myositis Ossificans [Disease/Finding], myositis ossificans, muscle calcification, myositis ossifican, ossificans myositis, muscular calcification, Muscular calcification, Myositis Ossificans, ossification of muscle (diagnosis), ossification of muscle, Ossification - muscle, Calcification - muscle, Myositis ossificans, Muscle ossification, Muscular ossification (disorder), Muscular ossification, muscle; ossification, myositis; ossificans, ossificans; myositis, ossification; muscle, Muscular ossification, NOS, Myisitis ossificans |
Japanese | 骨化性筋炎, コッカセイキンエン, コツカセイキンエン |
Swedish | Myositis ossificans |
Czech | myositis ossificans, Osifikující myozitida |
Finnish | Lihaksen luutumismuutos |
Russian | FIBRODISPLAZIIA OSSIFITSIRUIUSHCHAIA PROGRESSIRUIUSHCHAIA, MIOZIT OSSIFITSIRUIUSHCHII, МИОЗИТ ОССИФИЦИРУЮЩИЙ, ФИБРОДИСПЛАЗИЯ ОССИФИЦИРУЮЩАЯ ПРОГРЕССИРУЮЩАЯ |
Polish | Zapalenie mięśni kostniejące, Kostnienie mięśni |
Hungarian | Myositis ossificans |
Norwegian | Myositis ossificans |
Dutch | myositis; ossificans, ossificans; myositis, ossificatie; spier, spier; ossificatie, myositis ossificans, Myositis ossificans |
Spanish | miositis osificante, osificación de músculo (trastorno), osificación de músculo, osificación muscular, Miositis osificante, Miositis Osificante |
Portuguese | Miosite ossificante, Miosite Ossificante |
French | Myosite ossifiante, Myosite ossifiante progressive diffuse, Maladie de Münchmeyer, Maladie de l'homme de pierre |
German | Myositis ossificans |
Italian | Miosite ossificante |
Ontology: Heterotopic Ossification (C0029396)
Definition (MSH) | The development of bony substance in normally soft structures. |
Definition (CSP) | development of bony substance in normally soft structures. |
Concepts | Pathologic Function (T046) |
MSH | D009999 |
SnomedCT | 128491006 |
English | Ossification, Ectopic, Ossification, Heterotopic, Ossification, Pathologic, Ossification, Pathological, Pathologic Ossification, Pathological Ossification, pathologic ossification, Heterotopic Ossification, OSSIFICATION PATHOL, PATHOL OSSIFICATION, Ossification, Heterotopic [Disease/Finding], heterotopic ossification, ectopic ossification, ossification heterotopic, Heterotopic ossification (finding), Heterotopic ossification (disorder), Ectopic Ossification, Heterotopic ossification, Ectopic ossification |
Dutch | ectopische ossificatie, Beenvorming, heterotope, Heterotope ossificatie, Ossificatie, heterotope, Ossificatie, pathologisch, Verbening, heterotope |
German | ektopische Ossifikation, Ossifikation, heterotope, Ossifikation, pathologische, Verknöcherung, pathologische |
Italian | Ossificazione ectopica, Ossificazione patologica, Ossificazione eterotopica |
Portuguese | Ossificação ectópica, Ossificação Heterotópica, Ossificação Patológica |
Spanish | Osificación ectópica, osificación heterotópica (hallazgo), osificación heterotópica (trastorno), osificación heterotópica, Osificación Heterotópica, Osificación Patológica |
Swedish | Benbildning, heterotop |
Japanese | イショセイコツカ, イショセイコッカ, 化骨-異所性, 異所性化骨, 化骨-病的, 異所性骨化, 異所的骨形成, 病的化骨, 骨化-病的 |
Czech | osifikace heterotopická, osifikace patologická, Ektopická osifikace |
Finnish | Sidekudossyntyinen luutuminen |
Russian | OSSIFIKATSIIA PATOLOGICHESKAIA, OSSIFIKATSIIA GETEROTOPICHESKAIA, ОССИФИКАЦИЯ ГЕТЕРОТОПИЧЕСКАЯ, ОССИФИКАЦИЯ ПАТОЛОГИЧЕСКАЯ |
Polish | Kostnienie heterotopowe, Kostnienie patologiczne |
Hungarian | Ectopiás ossificatio |
Norwegian | Heterotop forbeining, Heterotop ossifikasjon, Heterotop forbening, Patologisk forbeining, Patologisk ossifikasjon, Patologisk forbening |
French | Ossification pathologique, Métaplasie osseuse, Ossification ectopique, Ossification hétérotopique |