• Joško Mitrović, Majda Golob, and Ines Lazibat.
• Division of Clinical Immunology, Allergology and Rheumatology, Department of Internal Medicine, Dubrava University Hospital, Zagreb, Croatia.
• Acta Clin Croat. 2023 Aug 1; 62 (2): 355361355-361.

AbstractPrimary angiitis of the central nervous system (PACNS) is a rare and severe disease confined to the central nervous system, i.e., the brain and spinal cord. The etiology, pathogenesis and immune mechanism of PACNS have not yet been completely elucidated. The diagnosis is challenging; it is based upon constellation of clinical picture, cerebrospinal fluid analysis, imaging methods or tissue biopsy as the gold standard. In differential diagnosis of PACNS, it is necessary to rule out infectious, malignant or systemic inflammatory diseases, as well as reversible cerebral vasoconstriction syndrome. Immunosuppressants are cornerstone therapy for PACNS, although evidence-based strategies for the management are lacking so far. PACNS is an entity with considerable morbidity and mortality. Awareness of this rare and heterogeneous disease is crucial for establishing early diagnosis and treatment initiation.Sestre Milosrdnice University Hospital.

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