​Differential diagnosis of proximal muscle weakness

​Differential diagnosis of proximal muscle weakness 
-diabetic lumbosacral plexopathy 
-mitochondrial myopathy 
-osteomalacia 
-spinal stenosis 
-hyperparathyroidism 
-HIV myopathy 
-drugs such as corticosteroids, statins, clofibrate, colchine, chloroquine, emetine, aminocaproic acid, bretylium, penicillamine, drugs causing hypokalemia
-alcoholism 
-hypothyroidism 
-hyperthyroidism 
-Cushing’s syndrome 
-polymyalgia rheumatica