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Rev Esp Cir Ortop Traumatol (Engl Ed)
October 2021
Departamento de Cirugía Ortopédica y Traumatología, Hospital Infantil Universitario Niño Jesús, Madrid, España.
Myositis ossificans is a benign disorder characterized by the formation of heterotopic bone in skeletal muscle or soft tissues. It is extremely rare in children, <1% of cases occur in children under 10 years. We present a 17-day-old boy that, after 10 days of Intermediate Care Unit stay, was referred to our hospital for a developmental dysplasia of the hip.
View Article and Find Full Text PDFMyositis ossificans is a self-limiting, benign ossifying lesion that can affect any type of soft tissue, including subcutaneous fat, tendons, and nerves. It is most commonly found in muscle as a solitary lesion. Ossifying soft-tissue lesions historically have been inconsistently classified.
View Article and Find Full Text PDFJ Pediatr Orthop B
November 2010
Department of Pediatric Orthopedics, The Shengjing Hospital, China Medical University, Heping District, Shenyang, Liaoning, PR China.
Extraskeletal osteochondroma near the hip is rare and its pathological diagnosis is based on radiological and histopathological examination. It is vital that such a diagnosis be considered when a discrete, ossified mass is localized in soft tissues, even at atypical sites. Differential diagnoses include myositis ossificans, a lipomatous lesion, a pseudomalignant osseous tumour, an ossifying fibromyxoid tumour, an extraskeletal chondroma with endochondral ossification, synovial (osteo) chondromatosis, tumoural calcinosis, a synovial sarcoma and an extraskeletal osteosarcoma.
View Article and Find Full Text PDFJ Orthop Surg (Hong Kong)
August 2006
Department of Trauma and Orthopaedics, Kovai Medical Centre and Hospital, Coimbatore, India.
An ossifying soft-tissue lesion is potentially malignant. The possibility of malignancy increases in the absence of significant trauma. Pseudomalignant myositis ossificans can be easily confused with malignant lesions.
View Article and Find Full Text PDFJ Orthop Surg (Hong Kong)
August 2006
Department of Orthopaedic Surgery, Pt BD Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India.
Extraskeletal osteochondroma in the nape of the neck is rare and its pathological diagnosis is based on radiological and histopathological examination. It is vital that such a diagnosis be considered when a discrete, ossified mass is localised in soft tissues, even at atypical sites. Differential diagnoses include myositis ossificans, a lipomatous lesion, a pseudomalignant osseous tumour, an ossifying fibromyxoid tumour, an extraskeletal chondroma with endochondral ossification, synovial (osteo) chondromatosis, tumoural calcinosis, a synovial sarcoma, and an extraskeletal osteosarcoma.
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