Frank Gaillard ◉ ◈

MBBS, MMed, FRANZCR, Hon. FRCR

Associate Professor Frank Gaillard is the Founder and Editor in Chief of Radiopaedia.org, which he began in December 2005. He is also a neuroradiologist at the University of Melbourne Department of Radiology of the Royal Melbourne Hospital in Australia.

In 2021, in recognition of his contribution to radiology education, he was made an Honorary Fellow of the Royal College of Radiologists (UK).

Disclosures:

Nothing to disclose

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Frank Gaillard ◉ ◈

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Meningioma (dual component)

Cerebellar metastasis

Communicating hydrocephalus

Alzheimer's disease

Normal brain MRI

Meningioma

Glioblastoma IDH wild-type

Intracranial hypertension (pseudotumor cerebri)

Intracranial hypertension (pseudotumor cerebri)

Intracranial hypotension following multiple lumbar punctures

Pseudotumor cerebri

Pseudotumor cerebri

Intraorbital dermoid cyst

Arteriovenous malformation (cerebral)

Lobar hemorrhage

Planum sphenoidale meningioma

Solitary fibrous tumor (hemangiopericytoma)

Bilateral acute on chronic subdural hemorrhages

En plaque meningothelial meningioma with bony inolvement

Angiomatous meningioma

Angiomatous meningioma

Meningioma - microcystic

Meningioma with hemorrhagic necrosis

Meningothelial meningioma

Meningothelial meningioma with abundant edema

Atypical meningioma (WHO grade II)

Cryptococcoma of the cerebellum

CADASIL (CT only)

Glioblastoma, IDH- wildtype (pseudoprogression)

Oligoastrocytoma NOS with pseudoprogression

Chordoid meningioma

Spinal meningioma

Dysembryoplastic neuroepithelial tumor (DNET)

Dysembryoplastic neuroepithelial tumor (DNET)

Normal brain MRI (TLE protocol)

Medulloblastoma

Intraventricular simple cyst

Diffuse astrocytoma NOS ("protoplasmic" and gemistocytic components)

Normal pressure hydrocephalus

Dural venous sinus thrombosis

Normal brain MRI (non-focal epilepsy protocol)

Olfactory groove meningioma - huge

Glioblastoma NOS (pseudoprogression)

Panda (photo)

Cavum septum pellucidum

Subacute hemorrhagic contusions

Normal CT brain (pre and post contrast)

Glioblastoma IDH wild-type (multifocal)

Diffuse fibrillary astrocytoma

Diffuse fibrillary astrocytoma

Diffuse fibrillary astrocytoma

Glioblastoma IDH wild-type (multifocal)

Acute disseminated encephalomyelitis (ADEM)

Normal brain (MRI)

Acoustic neuroma

Intravascular CNS lymphoma

Normal lumbar spine MRI

Dysembryoplastic neuroepithelial tumor (atypical)

Acute disseminated encephalomyelitis

Normal pressure hydrocephalus

Effect of B values on DWI

Glioblastoma IDH wild-type (with dural tail)

Epidermoid cyst (cerebellopontine angle)

Meningiomas - multiple posterior fossa

Arachnoid cyst (huge)

Bifrontal leucotomy

Anterior communicating artery

Pleomorphic xanthoastroctyoma (histology)

Pleomorphic xanthoastrocytoma

Alexander disease (gross pathology)

Rosenthal fibers in Alexander disease

AVM draining via falcine sinus

Falcine vein

Cerebellar arteries (annotated image)

PICA - caudal loop and choroid point (annotated image)

Lateral lenticulostriate infarction

Middle cerebral artery territory on angiography

Meningitis

Disclosures: