Myositis Ossificans (Subscribe)  

Excision of Hetertopic Bone About the Elbow: - hetertopic bone is most often located along the posteromedial aspect; - medial approach to the elbow is performed along with an anterior transposition of the ulnar nerve; ...

Wheeless' Textbook of Orthopaedics
- typically develops on x-ray 3-8 wks postop in pericapsular area of the affected hip joint; - over all incidence is 50% (1/3 of these are clinically significant); - risk factors: ...

Describes the post THR complication of heterotopic ossification

may present w/ signs of localized inflammation or pain, elevated skin temp, ect. - tends to occur after thr, spinal injury, head injury (11%), burns, bruises; - Events leading to HO; - mesenchymal...

References to recent papers on this subject

Heterotopic Bone Formation/Ossification (HO)

Objectives
1. Describe history and physical findings suggestive of traumatic myositis ossificans
2. Describe the characteristic microscopic pathology of traumatic myositis ossificans
3. Discuss the treatment of myositis ossificans
4. Discuss lesions which may be difficult to differentiate from traumatic myositis ossificans

Myositis ossificans progressiva or Progressive ossifying myositis or Fibrodysplasia ossificans progressiva or Muenchmeyer syndrome or Munchmeyer disease. Synonyms also Heterotopic ossification, heterotpic bone formation.
Myositis ossificans progressiva may cause or feature the following ... Miscellaneous syndromes Heterotopic ossification Symptoms and Signs Alopecia Myalgia Biochemical abnormalities Alkaline phosphatase bone isoenzyme levels raised (plasma or serum) X-ray abnormalities Ectopic calcification Myositis ossificans...

Radiology case 48--1611 Clinical presentation: 20 year old male with decreasing mobility.
The view shows soft tissue ossification. The thick strands of bone can be seen in psoas and latissimus dorsi. These are not the muscles that might be subject to trauma in patients with neurological motor function abnormalities, whose limbs might...

Myositis Ossificans (Sterner's Tumor) Discussion: - extra-skeletal ossification that occurs in muscles & other soft tissues
- can be traumatic (75%), non traumatic, or progressive;
- severe blunt trauma causing an intra-muscular hematoma may result in delayed ossification;
-...

Illustrated Cases. See also on this site -
Myositis ossificans progressiva
Myositis ossificans with secondary osteosarcoma

Myositis Ossificans (Sterner's Tumor) Discussion: - extra-skeletal ossification that occurs in muscles & other soft tissues - can be traumatic (75%), non traumatic, or progressive; - severe blunt trauma causing an intra-muscular hematoma may result in delayed ossification; -...

Discussion: - calcium hydroxyapatite can be deposited in periarticular soft tissues or within joints; - in either event the disease may be monoarticular or polyarticular; - periarticular disease affects men and women with equal frequency and occurs most commonly during the...

Myositis ossificans progressiva involves episodes of 'myositis' with progressive ossification of the soft tissues and is a seemingly inherited mesenchymal abnormality, fibrodysplasia. The most common skeletal association is a reduction of the number of phalanges in thumb or hallux. It is a very rare condition.
The distribution of the ossification, the...

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