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Congo red · Respiratory system · open case 13

Pathological anatomy · Respiratory

Histological analysis of the lung specimen collected via TBLC showed the deposition of fibrin and infiltration of lymphocytes, eosinophils, and macrophages in the alveolar space (4A). Moreover, it revealed mild thickening of the alveolar wall (4B) and pulmonary arterioles (4C), both of which had amyloid deposition with positive Congo-red staining findings (4C, 4D) accompanied by birefringence using polarized light (4E). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article. ).
Histological analysis of the lung specimen collected via TBLC showed the deposition of fibrin and infiltration of lymphocytes, eosinophils, and macrophages in the alveolar space…

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PreviousImmunostaining · Hematolymphoid · open case 21
Category
Respiratory
Difficulty
advanced
Type
Clinical microscopy
Mode
Congo red
Stain
Congo red

Origin: MultiCaRe · figure from open-access article PMC9234253 · License CC BY

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