Acute demyelinating disease (ADEM) CT

Acute epiglottitis CT

Acute extension-distraction injury CT

Acute intracranial hemorrhage with subfalcine and uncal herniation CT

Acute left ACA and MCA territory infarct CT

Acute left MCA/PCA and ACA/MCA watershed infarcts; Acute left caudate head infarct CT

Acute left parotiditis — Case #26 CT

Acute left parotiditis — Case #10 CT

Acute nasal fractures; Orbital foreign body CT

Acute right MCA territory infarct (dense vessel sign) CT

Acute subdural hematoma CT

Acute traumatic subarachnoid hemorrhage CT

Acute/subacute compression fractures; Subtle facet joint widening CT

Angioedema — Case #19 CT

Angioedema — Case #11 CT

Anterior cerebral artery aneurysm rupture CT

Artery of Percheron infarct CT

Atlanto-occipital dislocation CT

Atlantoaxial rotatory fixation CT

Basilar artery thrombosis CT

Basilar artery tip thrombosis CT

Basilar tip aneurysm rupture CT

Benign enlargement of the subarachnoid spaces in infancy (BESSI). CT

Benign enlargement of the subarachnoid spaces of infancy (BESSI) CT

Bilateral Le Fort I, right Le Fort II fractures CT

Bilateral Le Fort type I and II fractures CT

Bilateral atlanto-occipital subluxation; Epidural hematoma CT

Brain abscess; Coalescent mastoiditis CT

Brain tumor, herniation, ventricular entrapment CT

Burst fracture CT

C2 fracture CT

Calcific tendinitis of the longus colli CT

Calcific tendinitis of the longus colli muscle CT

Calvarial fracture CT

Cardioembolic infarcts CT

Catheter-associated septic thrombophlebitis of the right internal jugular vein CT

Cavernous malformation (aka cavernoma) CT

Cerebellitis CT

Cervical lymphadenitis; Retropharyngeal edema CT

Cervical osteomyelitis and epidural abscess CT

Chance fracture CT

Coalescent otomastoiditis CT

Compression fracture CT

Compression fractures CT

Compression fractures and transverse process fracture CT

Dacryocystitis CT

Deep vein thrombosis with hemorrhage; Cephalohematomas CT

Dental fractures CT

Descending necrotizing mediastinitis CT

Diffuse axonal injury (DAI); Subdural and intraventricular hemorrhage CT

Diffuse cerebral edema — Case #12 CT

Diffuse cerebral edema — Case #25 CT

Displaced occipital condyle avulsion fracture CT

Downward transtentorial herniation with Duret hemorrhage and obstructive hydrocephalus; Multiterritorial infarcts CT

Dural and deep venous sinus thrombosis CT

Dural sinus thrombosis with venous infarct and hemorrhagic transformation CT

Dural venous and cavernous sinus thrombosis; Sinusitis; Aneurysm CT

Dural venous sinus and deep cerebral vein thrombosis with thalamic edema and trace hemorrhage CT

Dural venous sinus thrombosis — Case #17 CT

Dural venous sinus thrombosis — Case #28 CT

Dural venous sinus thrombosis — Case #3 CT

Epidural hematoma — Case #2 CT

Epidural hematoma — Case #11 CT

Epiglottitis CT

Ex vacuo ventriculomegaly vs normal pressure hydrocephalus CT

Extensive facial smash CT

Facet joint malalignment CT

Facet joint widening without fracture CT

Facial cellulitis; Orbital cellulitis; Cavernous sinus thrombosis CT

Facial crush injury CT

Fracture-subluxation at the craniocervical junction CT

Fractures in patient with ankylosing spondylitis CT

Globe rupture — Case #22 CT

Globe rupture — Case #8 CT

Globe rupture with foreign body CT

Hangman fracture CT

Hemorrhage secondary to amyloid angiopathy CT

Hemorrhagic conversion of an MCA infarct CT

Hemorrhagic metastasis CT

Herpes encephalitis CT

Hydrocephalus CT

Hyoid bone and thyroid/cricoid cartilage fractures CT

Hyperacute subdural hemorrhage CT

Hypertensive basal ganglia hemorrhage CT

Hypertensive hemorrhage CT

Hypoxic ischemic encephalopathy CT

Hypoxic-ischemic encephalopathy — Case #22 CT

Hypoxic-ischemic encephalopathy — Case #29 CT

Internal capsule lacunar infarct CT

Intracranial extension of sinusitis CT

Intraventricular hemorrhage CT

Invasive fungal sinusitis — Case #12 CT

Invasive fungal sinusitis — Case #17 CT

Jefferson fracture; Type II odontoid fracture; Additional subtle fractures CT

Jefferson fracture; Type II odontoid fracture; Epidural hematoma CT

Jefferson fracture; Type II odontoid fracture; Possible transverse ligament avulsion fracture CT

Jefferson fracture — Case #6 CT

Jefferson fracture — Case #4 CT

Jumped facets CT

Lacunar infarct CT

Large left cavernous internal carotid aneurysm CT

Le Fort I, II, and III fractures, NOE fractures, nasolacrimal duct involvement CT

Left ACA territory infarct CT

Lemierre syndrome; Reactive sialadenitis CT

Ludwig angina — Case #27 CT

Ludwig angina — Case #1 CT

Ludwig angina, floor of mouth abscess CT

MCA aneurysm rupture CT

Mandible fracture & dislocation CT

Mandibular fracture CT

Metastatic breast cancer CT

Metastatic head and neck cancer CT

Midface smash CT

Mixed attenuation acute subdural hematoma CT

Multicompartment hemorrhage CT

Multilevel flexion-distraction injuries CT

Multiple acute minimally displaced cervical fractures, including a C3 extension teardrop fracture; Possible ligamentous injury at C3-C4 CT

Multiple cavernomas CT

Nasal septal perforation CT

Nasoorbitoethmoid fracture CT

Negative head CT CT

No acute findings; Pseudosubluxation CT

No acute findings — Case #14 CT

No acute findings — Case #22 CT

No acute findings — Case #11 CT

No acute findings in the neck; Pneumonia CT

No acute fracture or malalignment CT

No acute fracture or traumatic malalignment — Case #23 CT

No acute fracture or traumatic malalignment — Case #34 CT

No acute intracranial abnormality — Case #8 CT

No acute intracranial abnormality — Case #13 CT

No acute intracranial abnormality — Case #24 CT

No acute intracranial abnormality — Case #19 CT

Non-accidental trauma (NAT) CT

Nonaccidental trauma with diffuse cerebral edema, herniation, and retinal hemorrhage CT

Normal CT

Normal head CT CT

Occipital condyle and C5 teardrop fractures CT

Occipital condyle fracture — Case #31 CT

Occipital condyle fracture — Case #2 CT

Odontogenic subperiosteal abscess — Case #15 CT

Odontogenic subperiosteal abscess — Case #3 CT

Orbital blowout fracture CT

Orbital floor blowout fracture with extraocular muscle entrapment CT

Orbital foreign body CT

Orbital pseudotumor aka idiopathic orbital inflammation CT

Otic capsule involving and otic capsule sparing temporal bone fractures CT

Otic capsule involving temporal bone fracture and tonsillar herniation CT

Otic capsule sparing temporal bone fracture CT

Parenchymal hematomas with uncal herniation CT

Parotid lesions CT

Parotiditis with suppurative intraparotid lymph nodes CT

Penetrating head injury CT

Perched facet CT

Perimesencephalic non-aneurysmal subarachnoid hemorrhage CT

Peritonsillar abscess; Pneumonia CT

Peritonsillar abscess CT

Petechial hemorrhage vs cortical laminar necrosis CT

Pineal lesion CT

Post-infarct edema with herniation and ventricular entrapment CT

Posterior inferior cerebellar artery (PICA) infarct CT

Posterior reversible encephalopathy syndrome (PRES) — Case #25 CT

Posterior reversible encephalopathy syndrome (PRES) — Case #18 CT

Prevertebral abscess; Discitis CT

Prevertebral edema CT

Prevertebral hematoma CT

Racemose neurocysticercosis CT

Retropharyngeal abscess; Left internal jugular vein thrombosis with intracranial extension and likely septic pulmonary emboli; Possible epidural abscess CT

Retropharyngeal edema CT

Reversible cerebral vasoconstriction syndrome (RCVS) CT

Right Le Fort I, II, and III fractures Left Le Fort I and II fractures Bilateral orbital blowout fractures with inferior rectus muscle deviation/herniation CT

Right PCA territory infarct CT

Right orbital blowout fractures; Lens dislocation; Concern for optic nerve injury CT

Right submandibular sialadenitis with sialolithiasis CT

Ruptured left PICA aneurysm CT

Sacral fracture CT

Sacral insufficiency fractures — Case #26 CT

Sacral insufficiency fractures — Case #20 CT

Scalp contusion CT

Septic thrombophlebitis CT

Septic thrombophlebitis of the left internal jugular vein (Lemierre syndrome) CT

Severe anterolisthesis at the cervicothoracic junction CT

Severe flexion-distraction injury CT

Severe hypoxic ischemic encephalopathy (HIE) CT

Severe traumatic malalignment with jumped facets CT

Sialadenitis CT

Sialoadenitis CT

Skull fracture, facial fractures, involvement of the superior orbital fissure and multiple skull base foramina/canals CT

Small left MCA territory infarct CT

Spinal epidural hematoma CT

Spinal metastasis with epidural extension CT

Spinous process avulsion fracture CT

Subarachnoid hemorrhage in the interpeduncular fossa CT

Subperiosteal orbital abscess with postseptal cellulitis CT

Subtle compression fractures CT

Superior cerebellar artery infarct CT

Suppurative lymphadenitis CT

Suppurative lymphadenitis with descending mediastinitis CT

Teardrop fracture CT

Temporal bone fracture with ossicular disruption CT

Tonsillar and upward transtentorial herniation CT

Tonsillar herniation CT

Tonsillitis and adenoiditis CT

Tonsillitis with peritonsillar abscess CT

Tonsillitis with phlegmon/early abscess CT

Transverse process fracture; Pneumomediastinum, pneumothorax CT

Trapdoor fracture CT

Traumatic disc herniation CT

Traumatic retinal detachment CT

Type II odontoid fracture CT

Type II odontoid fracture Age-indeterminate T3 and T4 compression fractures CT

Type III odontoid fracture CT

Venous sinus thrombosis with associated hemorrhage and parenchymal edema CT

Vitreous hemorrhage CT

Watershed territory infarct CT

Wormian bones CT

ZMC fracture CT