Current concept in periodontal diseases (PDs) states that it is the host's response toward the periodontal pathogens which leads to tissue destruction and attachment loss. Hence the role of immune response in the progression and resolution of PD must be considered vital. Any alteration in the immune system disturbs the homeostasis of the periodontium.… (More)
The case of a patient with granulomatous angiitis of the central nervous system is presented. This patient displayed the distinctly unusual feature of intracranial aneurysms. The possible etiology of granulomatous angiitis as well as its histopathologic, pathophysiologic, and angiographic features are discussed.