a control series of 17 muscle biopsies from normal subjects and patients with non-inflammatory myopathies and neurogenic conditions was also studied : the numbers of mononuclear cells present were much smaller than in polymyositis , but the ratio of t4 : t8 lymphocytes was similar to that found in biopsies affected by polymyositis .
C0027121
inflammatory myopathies
C0085655
polymyositis