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Myositis ossificans

Bruno Law-Ye, Chloé Hangard, Adrien Felter, Dominique Safa, Philippe Denormandie, François Genet, Robert-Yves Carlier
BACKGROUND: Neurogenic Myositis Ossificans (NMO) is a rare disabling pathology characterized by peri-articular heterotopic ossifications following severe peripheral or central nervous system injuries. It results in ankylosis and vessels or nerves compressions. Our study aimed to describe the pre-operative findings of patients with NMO of the hip using biphasic computerized tomography (CT). METHODS: Between 2006 and 2012, we retrospectively analyzed 101 consecutive patients with hip NMO...
October 18, 2016: BMC Musculoskeletal Disorders
Jennifer C Hausmann, Jorden Manasse, Sarah Churgin, Howard Steinberg, Victoria L Clyde, Roberta Wallace
A 15-yr-old sexually intact female vampire bat ( Desmodus rotundus ) was diagnosed with myositis ossificans traumatica of the abdominal wall. The bat presented with a large ulcerated firm mass along the abdomen. Radiographs and cytology were performed, followed by surgical exploration. The mass was determined to be nonresectable and the bat was euthanized. Histopathology showed severe necrotizing, degenerative, and pyogranulomatous myositis with osseous and cartilaginous metaplasia, fibrosis, and ulceration, which were consistent with myositis ossificans traumatica...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Quoc P Tran, Kannan Thanikachalam
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
A Nagaraja, N Govindraj Kumar, B Jambukeshwar Kumar, Raghavendra M Naik, Y Jyoti Sangineedi
Pathological conditions can give rise to calcifications within oral mucosa representing either a local or systemic disturbance. Inflammation, trauma, debris acting as nidus and vascular lesions have been attributed as principal causes for occurrence of calcifications within the oral mucosa. Occurrence of multiple calcified thrombi (phleboliths) is considered pathognomonic for hemangiomas and vascular malformations in the oral and maxillofacial region. Isolated occurrence of phlebolith in oral mucosa though very rare, especially without any underlying vascular lesions, can be diagnostically challenging...
2016: Journal of Contemporary Dental Practice
M Li, Y P Cai, K Y Lu, Y Chen, X Zhu, Y Yin, J Tang
Objective: To investigate the role of SATB2 in the pathological diagnosis and differential diagnosis of osteosarcoma. Methods: Immunostaining of SATB2 was performed in 47 cases of osteosarcomas, 5 osteoblastomas, 4 fibrous dysplasias, 5 myositis ossificans, 10 chondroblastomas, 8 chondrosarcomas, 5 Ewing sarcomas, 5 undifferentiated pleomorphic sarcomas, 6 fibrosarcomas and 2 leiomyosarcomas. Results: All osteoblastomas (5/5) and myositis ossificans (5/5), 83.0%(39/47) of osteosarcomas and 2/10 of chondroblastomas showed nuclear immunoreactivity for SATB2...
September 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Ikram Taam, Khouloud Boussouni, Bouchaib Redouane, Touriya Amil, Rachida Saouab
Myositis ossificans circumscripta (MOC) is a rare condition characterized by nontumoral heterotopic ossification of the soft tissues. This condition affects young subjects, occurring mainly after trauma. It is ubiquitous, predominantly located in girdles and limbs. We report the case of a young patient with paravertebral MOC without traumatic context; the aim of this study was to recall diagnostic criteria and imaging aspects.
2016: Pan African Medical Journal
Mehmet Sabri Balik, Adem Erkut, Yılmaz Guvercin, Recep Bedir
A calcification mass was incidentally found in the soft tissue of a patient who had a history of trauma to the extremity during examination. The patient had no symptom. The pathological analysis of the mass revealed it was an early-phase synovial sarcoma (SS). The diagnosis was made before the onset of symptoms and proper surgical intervention was performed. Therefore, in case of a <1 cm lesion clinically suspicious of myositis ossificans, SS should be taken into consideration as a possible diagnosis.
September 2016: Knee Surgery & related Research
Kyung Ryeol Lee, So Young Park, Wook Jin, Kyu Yeoun Won
Myositis ossificans (MO) is a benign soft tissue lesion with non-neoplastic heterotopic bone formation. MO in the intermediate and mature stages can be easily diagnosed if characteristic imaging findings such as a peripheral zonal pattern of ossification with variable thickness is observed. However, it is difficult to correctly diagnose early MO because it can mimic malignancy clinically, radiologically, and histopathologically. We report a case of early pseudosarcomatous phase of non-traumatic MO with atypical imaging findings...
October 2016: Skeletal Radiology
Aleksandra Bogdan, Jean Quintin, Frédéric Schuind
PURPOSE: Humero-ulnar external fixation has been proposed to treat complex supracondylar humeral fractures in children. It facilitates fracture reduction and reduces the risk of ulnar nerve lesion, which can occur after cross pinning. METHODS: In a ten year period, 28 children have been operated on in our centre by humero-ulnar external fixation, for Lagrange-Rigault stages III and IV supracondylar humeral fractures. The data about fracture management and early follow-up were obtained from our medical database...
August 9, 2016: International Orthopaedics
Qays Ahmed Hassan Al-Timimy, Mohammed Shehab Al-Edani
BACKGROUND: Myositis ossificans is a benign, tumor-like lesion characterized by heterotopic ossification of soft tissue that usually affects the elbow and thigh. At different stages of maturity, it show similar histologic appearances with sarcomatous lesions or maturing bone. Misdiagnosis can result in unnecessary radical treatment. CASE REPORT: A 50-year-old woman with dorsal forefoot soft tissue mass was diagnosed as myositis ossificans after surgical excision and confirmed by a histopathological examination...
2016: International Journal of Surgery Case Reports
Andrea Váncsa, Katalin Dankó
Myositis, which means inflammation of the muscles, is a general term used for inflammatory myopathies. Myositis is a rare idiopathic autoimmune disease. It is believed that environmental factors such as virus, bacteria, parasites, direct injuries, drugs side effect can trigger the immune system of genetically susceptible individuals to act against muscle tissues. There are several types of myositis with the same systemic symptoms such as muscle weakness, fatigue, muscle pain and inflammation. These include dermatomyositis, juvenile dermatomyositis, inclusion-body myositis, polymyositis, orbital myositis and myositis ossificans...
July 2016: Orvosi Hetilap
Yunus Oc, Muhammed Sefa Ozcan, Hasan Basri Sezer, Bekir Eray Kilinc, Osman Tugrul Eren
In most of the cases trauma is the leading etiology and the nontraumatic myositis ossificans (MO) is a very rare condition. We present an MO case without any trauma occurring. A 36-year-old female patient with a history of pain and restriction of range of motion of the left hip was admitted. Hip motions were restricted with 10-60° of flexion, 10° of internal rotation, 20° of external rotation, 10° of abduction, and 10° of adduction. There was no history of trauma and familial involvement. The biopsy of the lesion revealed mature bone tissue confirming our diagnosis of MO...
2016: Case Reports in Orthopedics
Kiran M Sargar, Elizabeth F Sheybani, Archana Shenoy, John Aranake-Chrisinger, Geetika Khanna
Pediatric fibroblastic and myofibroblastic tumors are a relatively common group of soft-tissue proliferations that are associated with a wide spectrum of clinical behavior. These tumors have been divided into the following categories on the basis of their biologic behavior: benign (eg, myositis ossificans, myofibroma, fibromatosis colli), intermediate-locally aggressive (eg, lipofibromatosis, desmoid fibroma), intermediate-rarely metastasizing (eg, inflammatory myofibroblastic tumors, infantile fibrosarcoma, low-grade myofibroblastic sarcoma), and malignant (eg, fibromyxoid sarcoma, adult fibrosarcoma)...
July 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Ganesan G Ram, Karthik Anand K, P V Vijayaraghavan
INTRODUCTION: Myositis ossificans progressiva is very rare with a worldwide prevalence of approximately 1 case in 2 million individuals. No ethnic, racial, or geographic predisposition has been described. Although familial forms inherited on a dominant autosomal basis have been described, most cases are sporadic. CASE REPORT: 16 yr female came to opd with complaints of progressive restriction of movements of bilateral elbow, bilateral shoulder, bilateral knee and bilateral hip for past 4 years...
October 2015: Journal of Orthopaedic Case Reports
I Muni Srikanth, Amar Vishal, K Ravi Kiran
INTRODUCTION: Myositis ossificans (MO), heterotopic ossification, occurs in muscles and soft tissue. This lesion contains actively proliferating fibroblasts and osteoblasts. It commonly affects vigorous young men and more so among athletes. It occurs as a result of trauma, either acute or chronic and can also arise near joints in neurological disorders. By time of presentation, ossification is extensive and the benign nature of the lesion is usually evident on radiological studies. Most common muscles involved in MO are the flexor muscles of the arm, the hamstrings and quadriceps femoris...
July 2015: Journal of Orthopaedic Case Reports
Yashwant J Mahale, Chaitanya S Vyawahare, Nandkishore V Dravid, Aditya Upase, Romil Rathi
INTRODUCTION: Myositis ossificans circumscripta is a benign non neoplastic ossifying tumor presenting with bone like osteoid tissue extraskelletaly amidst the muscle planes. This condition when not associated with trauma is very trivial and considering the way it mimics certain characteristics, it may be misunderstood as a malignant neoplasm, abscess or antibioma. The aetiology of this atraumatic condition is still indistinct and remains a question unsolved. We would like to report such a case with distinctly unusual presentation that occurred in our institute...
July 2015: Journal of Orthopaedic Case Reports
Xinhong Pei, Yueqiang Mo, Peng Huang
PURPOSE: Although the most complex management of Gartland type IV supracondylar humeral fracture (SCHF) due to instability, the gold standard of initial treatment remains closed reduction and percutaneous pinning. However, open reduction was inevitable in most published studies. This study reports the outcome of treatment by leverage-assisted closed reduction. METHOD: Twenty-seven patients were diagnosed as Gartland type IV SCHF during surgery in 214 preoperative Gartland type III fractures...
May 26, 2016: International Orthopaedics
Konstantinos Sapalidis, Titika Marina Strati, Lazaros Liavas, Efstathios Kotidis, Triantafilia Koletsa, Fani Tsiompanou, Ioannis Kanellos, Dinu Florin Albu
UNLABELLED: Heterotopic mesenteric ossification is a rare clinical entity with less than 40 reported cases. Moreover, heterotopic mesenteric ossification around a stoma is described in fewer cases. CASE PRESENTATION: An 81-year-old male patient, who underwent a sigmoidectomy two years ago for a sigmoid colon cancer, was admitted in our Department in order to be investigated for a local recurrence of his disease. Because of unresectable pelvic lesions, the patient was taken in the operating room for a palliative double barrel ileostomy...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
Peng-Fei Li, Zi-Ling Lin, Zhi-Hui Pang
Myositis ossificans circumscripta (MOC) is a kind of self-localized, benign and tumor-like lesions often seen in adults, with approximately 75% of cases caused by trauma. We reported a case of non-traumatic MOC occurred at the elbow joint in a 9-year old child and it has been excised by surgery. After 18 months follow-up, a favorable outcome has been achieved with the Broberg-Morrey score of 100. We suggest that surgical resection should be done as soon as the diagnosis is confirmed.
April 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
Brian M Haus, Danny Arora, Joseph Upton, Lyle J Micheli
BACKGROUND: Patients with chronic injuries of the proximal hamstring can develop significant impairment because of weakness of the hamstring muscles, sciatic nerve compression from scar formation, or myositis ossificans. PURPOSE: To describe the surgical outcomes of patients with chronic injury of the proximal hamstrings who were treated with hamstring repair and sciatic neurolysis supplemented with nerve wrapping with acellular dermal matrix. STUDY DESIGN: Retrospective case series; Level of evidence, 4...
March 2016: Orthopaedic Journal of Sports Medicine
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