Rosey, a 55-year-old hairdresser, presents to her GP regarding an itchy rash on the back of her shoulders and a history of progressive muscle weakness.

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Rosey, a 55-year-old hairdresser, presents to her GP regarding an itchy rash on the back of her shoulders and a history of progressive muscle weakness.

She first noticed the muscle weakness on climbing stairs at her work several months before. Rosey thought it was just her “getting old”. However, it now impacts her even combing a client’s hair.