Cysts and Dr. John Gilmore M.D. (Popping Cysts, Draining Boils, Etc)
23 videos β’ 234,797 views β’ by Dr. John Gilmore Fans Blocked sebaceous glands, swollen hair follicles,[4] high levels of testosterone and the use of androgenic anabolic steroids[5] will cause such cysts.[6] A case has been reported of a sebaceous cyst being caused by the human botfly.[7] Hereditary causes of sebaceous cysts include Gardner's syndrome and basal cell nevus syndrome.