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  4. etiology of extraocular muscle extensive fibrosis syndrome, what are the causes of extraocular muscle extensive fibrosis syndrome

etiology of extraocular muscle extensive fibrosis syndrome, what are the causes of extraocular muscle extensive fibrosis syndrome

etiology of extraocular muscle extensive fibrosis syndrome, what are the causes of extraocular muscle extensive fibrosis syndrome

Etiology of Extensive Fibrosis Syndrome of Extraocular Muscles: Autosomal Dominant Inheritance

First, the cause of the disease

Congenital extraocular muscle fibrosis syndrome is an autosomal dominant inheritance, which can also be sporadic. It is a congenital abnormal disease of muscle and fascia development. But the true cause is still unclear.

Second, the pathogenesis

Investigate its pathogenesis, some people think that the primary lesion is abnormal in motor nerve, including brain stem nucleus innervation; Others believe that the lesion lies in the muscle itself. In recent years, a large number of fibrous tissue hyperplasia in orbit was found during ocular muscle surgery. Muscle was replaced by fibrous tissue and adhered to each other. Muscle adhered to sclera and eyeball fascia. Electromyography confirmed that muscle was pathologically multiphase spike wave with prolonged duration. Some people call this kind of muscle with problems proved by histology and electromyography congenital ophthalmomyopathiacongenita.

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