Myositis ossificans surgery. Development of myositis ossificans after navigated knee surgery Jan 17, 2025 · Context: This case study demonstrates the effectiveness of early surgical excision of the traumatic myositis ossificans of the vastus intermedius muscle in an elite football player and return to sports activity within 3 months from the initial injury. Sep 24, 2021 · Background Traumatic myositis ossificans is a self-limited, non-neoplastic, ectopic bone formation in the soft tissues caused by trauma. Its cause remains obscure, but it may be due to osteoblastic metaplasia of multipotential mesenchymal cells after trauma or due to implantation of bone or periosteum into the soft tissues during surgery. Myositis ossificans traumatica, although it is one of a number of heterotopic bone formation entities, is a specific lesion with a clearly recognized etiology and natural evolutionary pattern. 2 Patients who have a head injury and elbow injury develop MO in 76%–89% cases Oct 30, 2019 · Myositis ossificans (MO) is a benign self-limiting, pseudosarcomatous ossifying lesion that in most cases is secondary to an obvious trauma or minor repetitive trauma. Unfortunately, the histologically of myositis ossificans can appear similar to osteosarcoma, and thus, can lead to inappropriate management. Myositis ossificans (MO) is a benign bone formation in an extra-skeletal location. Fundamentally, myositis ossificans can be categorized into nonhereditary and hereditary types, with the Jan 25, 2018 · Myositis ossificans is a condition where bone tissue forms inside muscle or other soft tissue after an injury. Though the condition often accompanies bone trauma or complications, such as paralysis, it has also known to rarely present without injury or as an hereditary disorder. Learn about the symptoms and treatment. At the 6-month follow-up, mouth opening was increased to up to 35 mm and pain was absent. D. One is medication which can r A sports medicine physician with a passion to educate. May 15, 2023 · Myositis ossificans occurs as a complication of not treating a contusion correctly. MYOSITIS OSSIFICANS* MARCUS H. This report summarizes a case of a 12-year old female Aug 27, 2024 · Myositis ossificans typically resolves on its own without surgery if it arises following an accident. Biopsy specimens of the gluteus medius muscle were taken at the beginning and the end of 30 primary total hip arthroplasties and the intracellular lactate and phosphocreatine (PCr) measured. This abnormal bone growth can lead to stiffness, limited movement, and physical deformities, impacting the individual's mobility and quality of life. Myositis ossificans is essentially metaplasia of the intramuscular connective tissue resulting in extraosseous bone formation (without inflammation). Myositis ossificans circumscripta is a self-limiting, benign, ossifying lesion that can affect any type of soft tissue. This condition appears to be a very rare complication of this operation. We report a case of MOC within the buccinator which developed as a postoperative complication of mandibular third molar surgery. Neurogenic MO is one variant of MO where the lesion is a result of neurological disorders, including brain and spinal cord injuries, especially when followed by immobility and spasticity. Myositis ossificans is a reaction to a bruise in a muscle that has been injured. It is a generalized term for four separate clinical entities. Neurogenic MO is rare in clinical practice and is often misdiagnosed, particularly in pediatric patients who are unable to clearly describe their symptoms. Generally, bone forms in the muscle after a muscle injury, causing pain and swelling. what is the treatment for myositis ossificans?: See below: There are 3 major approaches. 2 Around 5%–10% of isolated head injuries develop MO around elbow. Background: Myositis ossificans is an uncommon complication of trauma and surgery, defined as ossifying changes in a non-osseous tissue such as muscles. Myositis ossificans traumatica is a rare condition in which causes restriction of mandibular movement. The condition is benign and results in heterotopic bone formation in Myositis ossificans is the most common term used among pathologists, although this term is a misnomer when more broadly used to discuss HO (as HO is neither specific to muscle nor involves prominent inflammation after its early stages). Herein, we report the case of a patient who developed MOC during treatment with sunitinib after surgery and radiotherapy for metastatic alveolar May 8, 2017 · Evaluation suggested myositis ossificans with options for treatment discussed including risk of recurrence. Herein, we retrospectively analyzed the outcome of open surgical Myositis is a rare disease that makes your immune system attack your muscles. Symptoms may include pain, swelling, stiffness, and decreased range of motion in the affected muscle. Excision of the heterotopic bone is the standard treatment. About 3% of simple elbow dislocations and up to 20% of elbow fracture dislocations are complicated by MO. It may also manifest in adipose tissue or fascia and is sometimes considered synonymous with heterotopic ossification. Dec 7, 2022 · Myositis ossificans circumscripta (MOC) is a self-limiting, benign ossifying lesion that can affect any type of soft tissue, including subcutaneous fat, tendons, and nerves. Etidronate administration may be effective, as with heterotopic ossification. It most commonly happens in your muscle after an injury — like when you get hit hard in the Dec 2, 2024 · Myositis ossificans (MO) is a benign condition characterized by heterotrophic bone formation, most commonly within muscle tissue. HO is an overgrowth of bone that is not malignant. Although not a rare disease process, diagnosis often remains difficult. MYOSITIS OSSIFICANSWhat is it? Myositis ossificans is a condition stemming from an injury that can occur in many types of sports. EVANSTON, ILLINOIS YOSITIS ossificans is defined as a brachii muscle. May 1, 2009 · It is generally believed that surgery could be taken in 9e12 months after injury when local pain or swelling has receded and X-ray showed that localized myositis ossificans was mature. Most cases are seen in the thigh; the standard approach to these cases has been nonsurgical management awaiting spontaneous resolution. Postoperative myositis ossificans The lesion was eventually radiologically unchanged after five cycles of chemotherapy; thus, the child was referred for radical surgery. When myositis ossificans occurs Myositis ossificans is a self-limiting, benign ossifying lesion that can affect any type of soft tissue, including subcutaneous fat, tendons, and nerves. This report refers to an We report a rare case of myositis ossificans in bilateral psoas major muscles following XLIF surgery, possibly influenced by intraoperative manipulation and romosozumab treatment. A history of recent trauma has been reported in approximately 50% of Myositis ossificans is a condition where bone tissue abnormally forms within muscle after trauma, causing pain, swelling, and limited mobility. The condition is predominantly seen in young adults and adolescents and is most commonly secondary to trauma. Fundamentally, myositis ossificans can be categorized into nonhereditary and hereditary types, with the Introduction: Myositis ossificans (MO) is a benign non-neoplastic condition in which heterotopic bone formation occurs in soft tissues. Conservative treatment failed and 1 year after the initial trauma the patient underwent surgical excision of a large ossification. Myositis ossificans elbow and forearm, distal humerus Summary Myositis ossificans, (MO), otherwise known as heterotopic ossification, is an extra-osseous non neoplastic growth of new bone. During the healing of the bruise, calcium can become deposited in the bruise causing a hard bone like structure within the muscle. Oct 3, 2025 · Myositis Ossificans GENERAL INFORMATION Myositis ossificans is a benign intramuscular mass usually caused by an injury. Thereby myositis ossificans is classified in two different groups: myositis ossificans progressiva (MOP) which describes a genetic autosomal dominant rare disease and myositis ossificans traumatica (MOT). We present a case of myositis ossificans in a 16-year-old girl with anxiety disorder, Asperger syndrome, and no known history of trauma. Myositis ossificans (MO) is a condition characterised by the formation of non-neoplastic heterotropic ossification in extraskeletal soft tissues. Myositis ossificans traumatica can involve other parts of the body like femoral region with higher incidence in compare to the maxillofacial A football player was diagnosed with myositis ossificans of his right adductor longus muscle after an acute injury. Apr 4, 2023 · Myositis ossificans circumscripta (MOC) is a rare disorder that causes heterotopic bone formation in soft tissues. It involves a small growth of bone within the muscle and usually occurs a while after the original injury. Jul 19, 2024 · We report a rare case of myositis ossificans in bilateral psoas major muscles following XLIF surgery, possibly influenced by intraoperative manipulation and romosozumab treatment. In 2020, the World Health Organization classified myositis ossificans together with fibro-osseous pseudotumor of digits as a single specific entity in the category of fibroblastic and myofibroblastic tumors. Feb 18, 2022 · In some instances surgery may be considered to remove the bone although anecdotal reports suggest that surgery may not be beneficial and occasionally may accelerate the progress of the condition. MO rarely occurs in the head and neck region. Apr 30, 1979 · Two cases of myositis ossificans involving the quadriceps femoris muscle are described following total knee replacement arthroplasty. Most people who have myositis ossificans develop it after a traumatic injury. Pathogenesis is not all clear, but trauma is universally recognized as a trigger event. Some patients receiving a total hip replacement are at risk for HO. Jun 18, 2025 · Explore myositis ossificans causes, symptoms, diagnosis, and treatments. My mission is to provide clear, concise and up to date education to athletes and sports fans for a better understanding of sports related health issues. Formation of ectopic lamellar bone in tissues that exhibit no potential for ossification can lead to associated pain and decrease in function. Case presentation: A 27-year-old male professional football player presented with progressive pain and loss of range of motion after sustaining Myositis ossificans is a benign condition of heterotopic bone formation. Myositis ossificans is defined as a non-neoplastic soft tissue lesion that commonly occurs in skeletal muscles, particularly in the lower extremities of physically active individuals, often following trauma. This rare disorder and its limited Sep 20, 2024 · Myositis - an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information. 1 day ago · Myositis ossificans (MO) refers to heterotopic ossification within soft tissues. Treatment may involve rest, physical therapy, and medication Myositis Ossificans Progressiva: Symptoms and Care Myositis Ossificans Progressiva is a rare genetic disorder that causes muscles, tendons, and ligaments to gradually turn into bone over time. Know how to take care of your muscle injuries properly. It's also known as myositis ossificans. C. This article reviews the various forms of myositis ossificans, as well as the pathology, diag … Myositis ossificans (MO) is a benign, self-limiting condition characterized by the formation of bone tissue in soft tissues such as subcutaneous fat, tendons, and nerves. When it affects the muscles of mastication, it causes severe trismus. Conservative treatment is the mainstay of management. We report on a rare case of myositis ossificans of the hand with severe symptoms treated with early marginal excision without a trial of nonsurgical management. Myositis ossificans of the masticatory muscles is an uncommon finding. Fibrodysplasia ossificans progressiva (FOP; MIM #135100; also called myositis ossificans progressiva or "stone man disease") is a rare connective tissue disorder characterized by severe, progressive heterotopic ossification of soft tissues that spans joints and results in an ectopic skeleton [1]. We present our approach to this case and Myositis ossificans traumatica, a heterotopic bone formation arising after trauma or surgery, is exceedingly rare, although it has been recognized for a long time. However, myositis ossificans only occurs in 9-17% of muscle bruises. It usually occurs after trauma and affects large muscles of the extremities. We report a rare case of traumatic myositis ossificans occurring in extensor tendon sheaths of the hand and the wrist Surgery is rarely necessary and is typically considered only if symptoms persist despite extensive conservative treatment or if the calcification significantly impacts the athlete's quality of life. The most common site for the formation of HO is following open-reduction internal-fixation (ORIF) for acetabular fracture, followed by the hip after total hip arthroplasty (THA) [3, 4]. It makes it hard or impossible to use your affected muscles. Nov 9, 2023 · How do you treat myositis ossificans? Myositis ossificans has a good prognosis and is known as a self-limiting disease, meaning it tends to resolve by itself in time. AI generated definition based on: Practical Soft Tissue Pathology: A A thorough review of the literature regarding myositis ossificans and muscles of the head and neck region revealed 52 Engligh language reports dating back to the first reported case by Ivy and Eby in 1924. It is most commonly found in muscles as a solitary lesion. 1 Most of the literature describes the process occurring in only 1 muscle, usually the masseter muscle, and as a result of trauma in up to 75% of the cases and the remainder of the cases Myositis ossificans traumatica, a heterotopic bone formation arising after trauma or surgery, is exceedingly rare, although it has been recognized for a long time. However, it is most commonly found in muscles as a solitary lesion [1, 2]. Nov 1, 2021 · Myositis ossificans is an uncommon complication after a muscle tear or acute trauma. Know the symptoms, causes, treatment. Aug 12, 2024 · Myositis ossificans involves bone formation in muscles after injury. Herein, we retrospectively analyzed the outcome of open surgical resection in Myositis ossificans comprises two syndromes characterized by heterotopic ossification (calcification) of muscle. Exercises for myositis ossificans The following exercises are commonly prescribed to patients with myositis ossificans. Though it has been described in most parts of the body, less than a dozen cases involving the chest wall have been reported. Calcified hematomas mostly occur in the situation of an individual sustaining deep bruising and bleeding from a forceful blunt trauma. Abstract Background: Myositis ossificans (MO) is a rare, non-neoplastic lesion characterized by heterotopic ossification of soft tissue. Myositis can also be caused by infections as well as toxins and drugs Traumatic form of myositis ossificans also known as myositis ossificans circumscripta (MOC) is rarely encountered in the head and neck musculature. Early conservative treatment with rest, elevation, and immobilization minimizes additional trauma and decre … Myositis ossificans is a rare condition in which bone tissue forms within muscle tissue. Although the exact etiology remains unclear, patients typically present with pain and restricted range of motion following trauma or overuse. Once the diagnosis was confirmed, the patient underwent surgery for coronoidectomy. Myositis ossificans cases reported i … Nov 12, 2024 · The term heterotopic ossification (HO) describes bone formation at an abnormal anatomical site, usually in soft tissue. HO can be classified into the following 3 types: Myositis ossificans progressiva (fibrodysplasia ossificans progressiva) - This disorder is among the rarest genetic conditions, with an incidence of 1 case per 2 million persons. The occurrence of traumatic myositis ossificans in tissues of the hand is uncommon. Postoperative myositis ossificans was Dec 4, 2024 · Myositis ossificans (MO) is a benign condition characterized by heterotrophic bone formation, most commonly within muscle tissue. For several months following therapy, you can experience persistent stiffness or restricted range of motion. 1 Occurring predominantly in muscles, a similar lesion may occasionally be found in subcutaneous tissues, tendons, fascia and periosteum. The use of the word myositis is somewhat misleading, because it is not usually a primary inflammatory pathophysiologic process of muscle. While inclusion body myositis is a progressive disease, life expectancy for those with IBM is usually the same as for those without the disease. Depending on its cause, the syndrome was classified into two different groups: myositis ossificans progressiva (MOP), also known as fibrodyplasia ossificans progressiva which describes a genetic autosomal dominant genetic disease, and myositis ossificans traumatica (MOT). Surgical Approach Resection of heterotopic bone Modified Operative Note A horizontal incision was made in a skin crease in the patient's left lower neck just above the clavicle. This report refers to an Myositis ossificans describes a heterotopic bone formation within a muscle. Feb 14, 2022 · Myositis Ossificans Myositis ossificans occurs when bone tissue develops where it shouldn’t, often in your muscle or soft tissues. Myositis ossificans (MO) is a frequent reason of elbow stiffness after injury or surgery. Development of myositis ossificans after navigated knee surgery should be A new CT was performed to investigate for the emerging clinical picture compatible with traumatic myositis ossificans of the right temporalis muscle. Jun 20, 2018 · Myositis ossificans, also known as heterotopic ossification, is a condition where there is abnormal bony formation in the soft tissues. In approximately 75% of cases, the proces … The latter is defined either as circumscribed myositis ossificans that is post-traumatic or as idiopathic/pseudomalignant myositis ossificans that is non-traumatic and may be a form fruste of fibrodysplasia ossificans progressiva. May 22, 2025 · Myositis ossificans refers to a true extraskeletal bone formation that begins in areas of fasciitis following surgery, trauma, burns, or neurologic injury Mar 9, 2012 · Abstract Heterotopic ossification is a frequent complication following total hip arthroplasty and acetabular surgery. Following THA, the incidence of HO has Abstract Background: Traumatic myositis ossificans is a self-limited, non-neoplastic, ectopic bone formation in the soft tissues caused by trauma. Abstract Patient: Male, 31 Final Diagnosis: Myositis ossificans Symptoms: Back pain • motion restriction • tenderness in lumbar region Medication: — Clinical Procedure: — Specialty: Neurology Objective: Rare disease Background: Myositis ossificans is a non-neoplastic benign reactive bone and cartilage matrix-producing pseudotumor that develops in skeletal muscles adjacent to the joint Myositis ossificans (MO) is a benign condition characterized by heterotopic bone formation in the skeletal muscle of extremities. Myositis ossificans can be divided into 2 classifications: MO progressiva and MO traumatica. 9 MO can be divided into 2 classifications; myositis ossificans progressiva (MOP) and myositis ossificans traumatica (MOT). Computer-assisted surgery is now a common procedure in the field of orthopedics. Most cases are seen in 15–40-year-old males with a high percentage being due to football injuries [2,3]. Myositis ossificans (MO) is a rare disease in which ossification develops in the muscle or soft tissue. Also called benign fibro-osseous lesion or heterotopic ossification is composed of cellular fibrous tissue and metaplastic bone. Mar 9, 2017 · Myositis ossificans is the process of mature lamellar bone formation in soft tissues, in association with inflammation, caused by traumatic or neurological injury, surgery, burns or diseases. MO traumatica is recognized by ossification of the soft tissues after acute or repetitive trauma, burns, or surgical procedures. Pathologically there is a degeneration of low grade inflammatory process, charac- terized by the formation of bone within, or Myositis ossificans (MO) is a disease typically seen in young athletes injured during competition [1-5]. Although its Introduction: Myositis ossificans traumatica describes non-neoplastic heterotopic bone formation in extraskeletal soft tissues following trauma. It happens after tissue injury, with or without fractures. A variety of diagnostic tools including magnetic resonance, ultrasound, and biopsy are used to make the diagnosis. Radiation treatment is used for more than just cancer. MO Myositis ossificans is a type of bone-forming lesion that arises in soft tissue and mimics malignancy. Jul 10, 2020 · Myositis ossificans (MO) is the abnormal formation of benign heterotopic bone tissue in soft tissues or muscles, mostly in sites of trauma. But some rare types of myositis ossificans are hereditary. Myositis ossificans is a rare disease that is characterized by bone deposition in the muscle or soft tissues. The histologic and radiographic findings . It typically occurs most commonly in muscles, presenting as a solitary ossifying soft tissue mass. Preventing this problem is a goal after surgery. It typically occurs following trauma or injury to the affected area. Multiple types have been described, the most predominant being myositis ossificans circumscripta, which occurs in response to trauma. Causes include trauma; treatment often includes rest, therapy, and possibly surgery. In this entity, temporomandibular joint is depleted of any problems; although all the patients have the history of trauma to the mandible and the face. Marked variation can occur in the incidence and location of the bone formed as well as resulting complications. The exact pathogenesis of MOT is unclear. Biopsy specimens of the gluteus medius muscle were taken at the begining and the end of 30 primary total hip arthroplasties and the intracellular lactate and phosphocreatine (PCr) measured. Seven months postoperatively, the patient was fully recovered and returned to his preinjury activity levels. The most common subtype of MO, the post-traumatic, usually develops in young males after a traumatic event or sports injury. This case report describes a young male patient who developed MO in the triceps muscle following trauma sustained a year prior Myositis ossificans (MO) is characterized as heterotopic bone formation within muscle. S. It can form directly in a muscle or form closely applied to the surface of a bone. Prophylaxis and treatment protocols aim to reduce the incidence, by both the use of nonsteroidal anti-inflammatory drug (NSAID Sep 1, 2024 · Myositis Ossificans Traumatica (MOT) is a rare condition that nonneoplastic, heterotopic bone forms in the masticatory muscles after trauma. HOBART, M. This condition can lead to significant pain, limited mobility, and decreased function, making effective treatment crucial for recovery. Abstract It has been suggested that muscle ischemia could contribute to myositis ossificans and that the ischemia could result from prolonged retraction during surgery. When a bruise (contusion), repetitive trauma, or strain occurs to a muscle, myositis ossificans can develop. The aim of this article was to analyse and interpret the Myositis ossificans, (MO), otherwise known as heterotopic ossification, is an extra-osseous non neoplastic growth of new bone. Abstract Myositis ossificans (MO), as its name implies, is ossification and bone formation within a muscle. It usually Jun 5, 2024 · Myositis is defined as inflammation within skeletal muscle and is a subcategory of myopathy, which is more broadly defined as any disorder affecting skeletal muscle. One case was helped by ultrasound therapy. The heterotopic ossification of muscles, ligaments and tendons is a potential complication following trauma, elective surgery, neurological injury and severe burns [2]. Oct 29, 2018 · Background: Myositis ossificans describes a heterotopic bone formation within a muscle. Aug 19, 2014 · Myositis ossificans is a self-limiting, benign ossifying lesion that can affect any type of soft tissue, including subcutaneous fat, tendons, and nerves. However, open surgery and complete resection should be considered in patients with limited joint function and constant pain. Surgery to remove the bone of myositis ossificans is considered only if symptoms (pain) persist, loss of joint motion persists, or the bone is unusually large; it is done only after the bone is fully mature (at least 6 to 12 months after the injury). Nonheriditary Myositis Ossificans Nonhereditary myositis ossificans, or heterotopic ossification, is the physical dynamic of a deep bruise or hematoma calcifying and turning into bone. <br /><br />Preventing myositis ossificans involves avoiding repeated trauma to an injured muscle. It is most common in the thigh Myositis ossificans is a rare form of self-limiting heterotopic ossification of muscles. Nevertheless, the term myositis ossificans is still commonly used. A. [1] Abstract Computer-assisted surgery is now a common procedure in the field of orthopedics. MO may simulate malignant bone lesions Jul 25, 2017 · Myositis ossificans (MO) occurs when bone or bone-like tissue grows where it’s not supposed to. Diagnosis is made through imaging tests such as X-rays, CT scans, or MRI. Myositis may be encountered as a component of autoimmune and connective tissue diseases, where it is described as idiopathic inflammatory myopathy (IIM). We present two patients who developed myositis ossificans, a rare complication after navigated knee surgery. MOC of the pectineus muscle is extremely rare and has not been Apr 1, 2020 · To help people further, experts in the Inflammatory Myositis Clinic vigorously pursue clinical research into the causes and treatment of inflammatory myositis in collaboration with other researchers at Mayo Clinic, nationally and internationally. It is most commonly found in muscle as a solitary lesion. Myositis ossificans is a self-limiting, benign ossifying lesion that can affect any type of soft tissue, including subcutaneous fat, tendons, and nerves. Introduction Myositis ossificans (MO), otherwise known as heterotopic ossification, consists of non-neoplastic formation of lamellar bone in the muscle or other soft tissues which do not have ossification properties under physiological circumstances, without any direct connection to underlying bone tissue or the periosteum. 2, 5 In the first instance, non-surgical treatments focus on reducing the symptoms of inflammation and maintaining the function of the joint associated with the damaged muscle, 2 Myositis ossificans (MO) is a benign, progressive, ossifying lesion that displays a characteristic zonal histological appearance. , F. At admission, endorsing the child well-appearance, together with the evidence of a reduced calcified lesion on a further magnetic resonance, a clinical suspicion of myositis ossificans was raised. Myositis ossificans, also known as traumatic myositis ossificans or myositis ossificans circumscripta, is the product of an unusual reactive process of mesenchymal stem cells within the muscle produced secondary to a traumatic insult or inflammatory process. Descriptions of myositis ossificans traumatica in masticatory muscles is rare, with fewer than 100 cases reported in the literature, none following elective orthognathic surgery. Several other terms have also been used to denote the condition such as ectopic or heterotopic ossification, ossifying fibromyopathy, paraosteoarthropathy and periarticular ossification. It also helps prevent a condition called heterotopic ossification( HO). In this condition, bone tissue forms within a muscle. MO traumatica is a localized form of heterotopic bone formation, associated with repetitive micro- and/or macrotrauma Myositis Ossificans Myositis ossificans is an aberrant reparative process that represents the formation of benign heterotopic ossification in skeletal muscle. Ossifying soft-tissue lesions historically have been inconsistently classified. Prognosis Prognosis for the different forms of myositis vary greatly and often depend on the presence of other conditions, such as interstitial lung disease or certain autoantibodies. Diagnosis typically relies on imaging studies. Femoral Discussion Myositis ossificans is a disease whose hallmark feature is the ossification in muscle or soft tissue. Conclusion: In high-level athletes who present chronic disabling mature posttraumatic myositis ossificans that interferes with their sports career, surgical excision of the heterotopic mass results in effective clinical improvement with return to sports and minimal postoperative risks. The ma|ority of cases are deposition of bone in muscles or in young males from ten to twenty-five about their insertions1 and as a years of age. Due to careful follow-up and conservative treatment, surgical excision was avoided in both patients with good clinical results. Jun 1, 2016 · Abstract Computer-assisted surgery is now a common procedure in the field of orthopedics. We performed a retrospective study of our radiology databases within our tertiary orthopaedic centre to Jun 21, 2025 · Myositis ossificans is a condition characterized by the formation of heterotopic bone within muscle tissue, often resulting from traumatic injury. Myositis ossificans usually affects young active adults. It has been suggested that muscle ischemia could contribute to myositis ossificans and that the ischemia could result from prolonged retraction during surgery. If you get myositis ossificans after an injury, you can usually treat it with nonsurgical options. afoo wl od dc3amjf icu ec cu tvk 6fh ybji