41. Arteritis temporalis: Difference between revisions

[[File:Temporal arteritis disruption of the IEM.png|thumb|Close-up of the upper right section. The dark irregular purplish lining shows the disruption of the internal elastic lamina.]]'''Theory''':[[File:Temporal arteritis IEM.png|thumb|Also from the upper right section.]]Giant cell arteritis, or temporal arteritis (when it affects the temporal artery) is a granulomatous inflammation that affects large arteries. Characteristic for the disease is that only certain parts of the affected artery show the histological signs of inflammation. If a preparation was taken from one of these parts could a false negative diagnosis be made.  

 

Optimally should a longitudinal section of the artery be examined, or multiple cross-sections (which could be why we have three sections here).[[File:Temporal arteritis giant cells.png|thumb|From the upper right section. The cells with small cytoplasm and dark nuclei are lymphocytes and plasma cells|none]]