
																
																	Progressive multifocal leukoencephalopathy in a patient with systemic mastocytosis treated with cladribine
																
																
																
															Keywords: سرکوب سیستم ایمنی; Progressive multifocal leukoencephalopathy; JC polyomavirus; Mastocytosis; Cladribine; CD4T lymphocytes; Immunosuppression; Multiple sclerosis;