Abstract
Skeletal muscle fibre regeneration is a multi-step process that recapitulates muscle embryogenesis.1,2 Satellite cells are myogenic stem cells that are located adjacent to the myofibril and play a crucial role in the regeneration process. Under the right stimuli, they become activated and are capable of proliferation and differentiation towards myocytes, displaying variable morphological appearances.1,2 We present a case of regenerating skeletal muscle in orbital tissue, with the diagnosis made challenging by the patient’s previous history of orbital embryonal rhabdomyosarcoma.
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