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[Myositis ossificans following head injury (author's transl)].

This is a report on 14 patients with myositis ossificans with simultaneous head injury. Predilected sites are the hip and elbow joints as well as thigh musculature, where particularly in the youthful and younger adults ossifications occur 5--8 weeks after the accident. Premature operative treatment is useless because of the danger of recurrence. The process of ossification usually comes to a standstill 8--12 weeks following the trauma. The diagnosis is made on the basis of clinical examination (hardening of muscles, immobility of joints) and X-ray pictures. The pathogenesis and modes of therapy are discussed in detail. Furthermore, the incidence of this complication of head injury in various age groups is evaluated statistically.

Adolescent↗

Pseudomalignant myositis ossificans of the wrist causing compression of the ulnar nerve and artery. A case report.

Myositis ossificans (MO) is a condition characterised by focal, benign and self-limited idiopathic heterotopic bone formation. It is extremely rare in the hand and wrist and may lead to concomitant nerve compression. Because of the rare incidence of pseudomalignant MO at the wrist and hand, we found it of interest to report a case of this condition localised to the wrist. A 31-year-old female patient presented with swelling and pain of her left wrist. The physical examination findings, magnetic resonance imaging and Tc-99m bone scan suggested acute osteomyelitis or a tumoral condition. Incisional biopsy and pathological examination was done. The microscopic findings confirmed that the lesion was pseudomalignant MO. The lesion was removed totally and decompression of the ulnar nerve and artery was achieved. The patient regained full asymptomatic range of motion of all digits and wrist and the numbness of the fourth and fifth digits had subsided at follow-up five months later.

Adult↗

[Myositis ossificans localisata of the thenar muscles].

In a case report the difficult histologic differential diagnosis between Myositis ossificans and extra-osseous osteosarcoma is illustrated. For the patient, one diagnosis means the preservation, the other the loss of an extremity with all possible complications of a malignant growth.

Adolescent↗

Early myositis ossificans: a new echographic sign.

A case of soft tissue swelling of the thigh in which myositis ossificans developed is presented. A series of ultrasound examinations showed previously unreported changes which suggested the diagnosis. The use of ultrasound and other imaging modalities in this condition are discussed and the ultrasound appearances are related to the histology.

Adolescent↗

[Progressive myositis ossificans. Report of a case and results of treatment with disodium etidronate].

A new case of myositis ossificans progressiva is described. Authors emphasize the possibility of early diagnosis because there are characteristic malformations in this condition. Treatment with disodium etidronate (EHDP), proposed by some authors, had no clear benefit. Management of patients must concentrate on avoidance of exacerbating factors--muscle traumas--, physiotherapy and adequate psychotherapy.

Child, Preschool↗

[Non-traumatic circumscribed myositis ossificans. Apropos of a bilateral localization].

The authors report one case of a bilateral atraumatic circumscribed myositis ossificans (C.M.O.) developed from the triceps muscles with major equinism, in a 15 years old girl. One side presented a current tumor, the other was seen at the first episode. The authors obtained a good functional result after surgical treatment and advocate this treatment.

Adolescent↗