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41. Arteritis temporalis: Difference between revisions

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41. Arteritis temporalis (view source)

Revision as of 12:28, 5 July 2024

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[[File:Temporal arteritis overview.png|thumb|Overview of the slide]]'''Staining''': HE
[[File:Temporal arteritis overview.png|thumb|Overview of the slide|274x274px]]'''Staining''': HE


'''Organ''': Superficial temporal artery
'''Organ''': Superficial temporal artery
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* Older people
* Older people
* Females more affected than males
* Females more affected than males
 
[[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.]]
'''Theory''':[[File:Temporal arteritis disruption of the IEM.png|thumb|Close-up of the upper right section. The dark purplish lining that looks irregular shows the disruption of the internal elastic lamina.]]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|left]]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|left]]
[[File:Temporal arteritis IEM.png|thumb|Also from the upper right section.]]
[[Category:Pathology 1 - Histopathology slides]]
[[Category:Pathology 1 - Histopathology slides]]