Peduncular Hallucinosis in a Patient with Metastasic Lung Cancer - Case Report and Review of the Literature (P6.040)

• DOI: 10.1212/wnl.84.14_supplement.p6.040
• Publication Date: 2023-12-06T23:42:28Z
• Authors: Lisseth Burbano; Jaime Toro

OBJECTIVE: To describe a patient with peduncullar hallucinosis (PH) secondary to metastatic brainstem lesion. BACKGROUND: PH is an infrequent cause of complex visual hallucinations. It tipically presents vivid, colorful, and sometimes distorted images animals people. Lesions the midbrain, thalamus, or rostral have been associated PH. DESIGN/METHODS: A 69-year-old woman small cell lung cancer was admited 2-week history headache, vomiting progressive ataxia weakness right side. During admission, described visions moving bright colors. She aware that these were not real. Past medical significant for diabetes hypertension. RESULTS: Neurological examination revealed left ptosis right-sided hemiparesis hypereflexia extensor plantar response. Sensory showed diminished pinprick decreased light touch on righ The gait ataxic unstable. contrast-enhanced brain MRI performed uncal lesion extending ipsilateral cerebral peduncle, intralesional bleeding also observed. With diagnosis cancer, treatment radiotherapy low-dose quetiapine started. Complete resolution hallucinations achieved after 1 week treatment. CONCLUSIONS: in stereotyped fashion although it exclusion should be considered Evidence limited, however atypical antipsychotics reported useful this condition, as our case. Study Supported by: Hospital Universitario Fundación Santa Fe de Bogotá