fibrinoid change

fibrinoid change

Alteration in connective tissues in response to immune reactions. The tissue becomes swollen, homogeneous, and bandlike.
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The histopathology report indicated scarring dermis and mixed cell infiltrate, leucocytoclastic vasculitis, fibrinoid changes, and some diffusely spread histiocytes.
An angiocentric and angiodestructive growth pattern is frequently present, with fibrinoid changes within blood vessels even in the absence of angioinvasion.