<unk>  can occur at any age, with the average age at diagnosis being 42. It affects both men and women; however,<unk>  is three times more frequent in females than males.<unk>  affects both adults and children, and the number of reported<unk>  cases among adolescents and young adults has been increasing, with a recent observational study finding an incidence of 1.16/100,000 among children in Scotland.
Complex regional pain syndrome
Thoracic outlet syndrome
Calpainopathy
Myofascial pain syndrome
Central pain syndrome
Nerve compression syndrome
Radiation-induced lumbar plexopathy
Polymyalgia rheumatica