The heart in systemic lupus erythematosus (SLE)

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Histopathological Findings

Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology

Lupus Erythematosus Libman Sacks Endocarditis: Gross natural color mitral valve small lesions but cause much trouble in form of TIAs and terminally multiple hemorrhagic brain infarcts
Lupus Erythematosus, Libman Sacks Endocarditis: Micro low mag trichrome stain thickened valve leaflet with small mural fibrin deposit. A 19yo female with cerebral lupus in form of TIAs due to this lesion.
Lupus Erythematosus, Libman Sacks Endocarditis: Micro low mag, elastic van Gieson stain, mitral valve thickened, leaflet with small mural fibrin deposit that caused TIAs in 19yo female
Lupus Erythematosus Myocardial Necrosis Due To Libman Sacks: Micro low mag H&E focal myocardial necrosis due to embolism from Libman Sacks lesion on mitral valve 19yo female with TIAs due to mitral lesion
Lupus Erythematosus Focal Myocardial Scar Due To Libman Sacks Embolism: Micro low mag H&E focal scar in myocardium due to embolism
Lupus Erythematosus Myocardial Scar Due to Libman Sacks Embolism: Micro low mag H&E scar with portion of embolus in small artery
Lupus Erythematosus Myocardial Necrosis Due to Libman Sacks: Micro low mag H&E well shown focal myocardial necrosis due to embolism from mitral Libman Sacks lesion
Lupus Erythematosus Libman Sacks Endocarditis: Micro high mag H&E atrial surface of mitral valve with small fibrin thrombus representing Libman Sacks lesion 10yo female
Lupus Erythematosus Libman Sacks Endocarditis: Micro low mag H&E mitral valve lesion with easily seen mural thrombi and focal necrobiosis of collagen in thickened valve leaflet 19yo female
Myocarditis: Micro high mag H&E focal myofiber necrosis typical for this diagnosis but this is case of lupus erythematosus with Libman Sacks lesion and brain emboli and heart emboli did she also have viral myocarditis? This lesion is typical for the diagnosis

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