Progressive multifocal leukoencephalopathy immune reconstitution inflammatory syndrome (PML-IRIS)
Progressive multifocal leukoencephalopathy (sarcoidosis associated PML)
Traumatic subdural hematoma
Suture diastasis with venous extradural hematoma
Posterior fossa subdural empyemas from mastoiditis
Extradural hematoma (through MMA)
Extradural hematoma - vertex
Oropharyngeal squamous cell carcinoma (p16 positive; T4 cN3 M1)
Supraclavicular metastatic lung adenocarcinoma
Cervical cellulitis
Tuberculosis
Papillary thyroid cancer
Normal neck ultrasound
Oropharyngeal SCC (T2 N1 M0)
Vertebral metastases (lung primary)
Basilar invagination
Cervical disc protrusion with cord compression
Normal cervical spine MRI
Killian-Jamieson diverticulum
Sternoclavicular abscess and osteomyelitis
Lemierre syndrome
Lemierre syndrome
Diffuse astrocytoma, IDH-mutant
Bezold abscess
Retropharyngeal / posterior cervical abscesses
Radiation induced meningiomas and cavernous malformations
Hepatic hyperammonemic encephalopathy
Hypoglycemic encephalopathy
Left MCA bifurcation infarct
Right M1 infarct (thrombectomy)
Lateral tongue squamous cell carcinoma
Normal neck (CT)
Normal neck (MRI)
Normal neck (MRI)
Osteopoikilosis
Emphysematous pyelonephritis from colorenal fistula
Inverted papilloma - sinonasal
Obstructing isodense colloid cyst
Bilateral temporomandibular joint dislocation
Papillary thyroid cancer
Unilateral erosion of distal clavicle
Sigmoid volvulus
Ruptured abdominal aortic aneurysm
Tuberculosis - pleural, pulmonary, discitis
Fournier gangrene with osteomyelitis
Duodenal diverticulitis
Malpositioned gastric band
Pleural pseudotumor
Purulent pericarditis
Subdural hemorrhages on sinus CT
Normal MRI epilepsy protocol
C6 compression fracture with posterior spinal fractures and cord contusion
C6/C7 fracture dislocation with cord hematoma
Middle cranial fossa meningoencephalocele
Glioblastoma IDH wild-type
Neuromyelitis optica spectrum disorder
Guitar pick
Direct caroticocavernous fistula
Idiopathic intracranial hypertension
Prostate metastasis to sphenoid bone and orbit
Periorbital sarcoidosis
Periorbital foreign body
Orbital cellulitis complicated by superior ophthalmic vein and cavernous sinus thrombosis
Retropharyngeal abscess
Starr-Edwards valve
Right acetabular fracture
Focal cecal ischemia
Neurocysticercosis
Ankylosing spondylitis
Coracoid process avulsion
Mandibular osteomyelitis due to chronic dental abscess
Retropharyngeal abscess with peritonsillar origin
Odontogenic abscess
Pharyngeal pouch perforation
Epiglottic cyst
Masticator space abscess - dental origin
Recurrent L5/S1 disc bulge with transitional lumbosacral anatomy
Normal spine MRI
Acute submandibular sialadentitis
Left upper lobe adenocarcinoma
Prostate bone metastases
Masticator space abscess
L5/S1 disc extrusion
Bilateral L4 pars defects
Spinal epidural abscess
L4/5 disc subarticular extrusion
L3/4 disc migration
COVID-19 pneumonia
COVID-19 pneumonia
Chronic inflammatory demyelinating polyneuropathy (CIDP)
Left PCA territory infarct
Basal ganglia hemorrhage with intraventricular extension
Venous sinus thrombosis
Subdural hemorrhage
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