Neuropsychiatric disorder as early clinical presentation of marantic endocarditis in patient with newly diagnosed poorly differentiated esophago‐gastric junction adenocarcinoma: A case report

Neuropsychiatric symptoms, depression, and progressive mental confusion should not be overlooked as onset symptoms of multiple cerebral ischemic lesions due to cardiac embolization. Comprehensive clinical evaluation due to progressive anemia led to the diagnosis of poorly differentiated adenocarcinoma of the esophagogastric junction as cause of embolizing nonbacterial mitral endocarditis.