. "This article report a case of patient with ankylosing spondylitis treated with TNF alpha inhibitors suffering from fever of unknown origin. ANCA positive glomerulonephritis and IgG4 positive mediastina mass (both histological confirmed) were revealed." . "ANCA-glomerulonephritis; IgG4 related diseases; TNF alpha inhibitors; ankylosing spondylitis"@en . . "I" . . . "CZ - \u010Cesk\u00E1 republika" . . "Acta medica (Hradec Kr\u00E1lov\u00E9) / Universitas Carolina, Facultas Medica Hradec Kralove" . . "1211-4286" . "Case 1-2012: ANCA associated glomerulonephritis in combination with IgG4-positive mediastinal mass in a patient with ankylosing spondylitis treated with TNF alpha inhibitors" . . . "Podhola, Miroslav" . . "Bro\u017E\u00EDk, Jan" . "126066" . . . "6"^^ . "This article report a case of patient with ankylosing spondylitis treated with TNF alpha inhibitors suffering from fever of unknown origin. ANCA positive glomerulonephritis and IgG4 positive mediastina mass (both histological confirmed) were revealed."@en . "Case 1-2012: ANCA associated glomerulonephritis in combination with IgG4-positive mediastinal mass in a patient with ankylosing spondylitis treated with TNF alpha inhibitors"@en . "[0F49D1A1EF6B]" . "6"^^ . "Case 1-2012: ANCA associated glomerulonephritis in combination with IgG4-positive mediastinal mass in a patient with ankylosing spondylitis treated with TNF alpha inhibitors" . "RIV/00179906:_____/12:10128918" . "55" . . "Case 1-2012: ANCA associated glomerulonephritis in combination with IgG4-positive mediastinal mass in a patient with ankylosing spondylitis treated with TNF alpha inhibitors"@en . . "Bradna, Petr" . "RIV/00179906:_____/12:10128918!RIV13-MZ0-00179906" . . . . . "Laco, Jan" . . "5"^^ . . "To\u0161ovsk\u00FD, Marian" . "1" . "Soukup, Tom\u00E1\u0161" . . .