Case of the Week Diagnoses

R

• Rabies Encephalomyelitis
• Radiation Myelopathy (RM)
• Radiation necrosis mimicking tumor progression
• Radiation Necrosis with Delayed Cyst Formation
• Radiation-induced osteosarcoma of the greater sphenoid wing
• Radiation-Induced Tumefactive Cyst (RITC)
• Radiation-induced vasculopathy with pontine hematoma
• Radiculopial Artery Aneurysm Rupture
• Ramsay Hunt Syndrome
• Ramsay Hunt Syndrome
• RANBP2 mutation-related Acute Necrotizing Encephalopathy Type 1 (ANE1)
• Rathke Cleft Cyst
• Rathke's Cleft Cyst
• Rathke's Cleft Cyst (Congenital Mucinous Cyst) of the Pituitary Stalk
• Recurrent Cholesteatoma
• Remote Cerebellar Hemorrhage
• Remote Cerebellar Hemorrhage
• Remote supratentorial Hemorrhage
• Renal Osteodystrophy with Brown Tumors
• Respiratory Epithelial Adenomatoid Hamartoma (REAH)
• Rete M1 Anomaly
• Reversible Cerebral Vasoconstriction Syndrome
• Reversible Cerebral Vasoconstriction Syndrome (RCVS)
• Reversible Focal Splenial Lesion
• Rhabdomyosarcoma of Orbit
• Rheumatoid Meningitis
• Rhino-Orbito-Cerebral Mucormycosis (ROCM)
• Rhinocerebral Mucormycosis with Perineural Spread Pattern
• Rhombencephalosynapsis
• Rhombencephalosynapsis
• Rocky Mountain Spotted Fever (RMSF)
• Rosai-Dorfman Disease
• Rosai-Dorfman Disease
• Rosai-Dorfman Disease
• Rosette-Forming Glioneuronal Tumor: Hypothalamic Origin
• Ruptured Dermoid Cyst at the Cervicomedullary Junction with Intraventricular Dissemination
• Ruptured Infectious Aneurysm
• Ruptured Isolated PICA Dissecting Aneurysm
• Ruptured Mycotic ICA Aneurysm with Invasive Sphenoid Sinusitis
• Ruptured Pontine Arteriovenous Malformation
• Ruptured Spinal Cord Dermoid