Cancer-Associated Retinopathy Presenting with Paraneoplastic Cerebellar Degeneration in Tonsillar Squamous Cell Carcinoma: A Case Report
Background and Clinical Significance: Cancer-associated retinopathy (CAR) is a rare paraneoplastic autoimmune retinopathy caused by antibodies targeting tumor antigens with cross-reactivity to retinal proteins. Paraneoplastic cerebellar degeneration (PCD) results from autoimmune injury to cerebellar tissue triggered by...