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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Atypical meningioma - grade 2

Intraventricular meningioma

Periventricular grey matter heterotopia

Venous sinus thrombosis and hemorrhage

Cauda equina neuroendocrine tumor

Lymphoplasmacyte-rich meningioma

Pericallosal lipoma and metastasis

Colloid cyst (large)

Dural venous sinus thrombosis

Spinal meningioma

Achondroplasia

Corpus callosal agenesis and grey matter heterotopia

Arachnoid cyst - interpeduncular

Plasmacytoma of the skull (CT)

Cavernous malformation: midbrain

Anaplastic astrocytoma - thalamic glioma

Pituitary macroadenoma

Rhomboencephalosynapsis

Lobar hemorrhage secondary to cerebral amyloid angiopathy

Melanoma metastasis

Glioblastoma IDH wild-type (dural tail)

Pineal tumor of intermediate differentiation and post shunting corpus callosal damage

Coup-contrecoup injury

Glioblastoma IDH-wildtype (mesial temporal)

Glioblastoma IDH wild-type (multifocal)

Huntington disease

Mesial temporal sclerosis and M1 occlusion

Ventral cord herniation

Subependymoma

Epidermoid cyst - middle cranial fossa

CSF rhinorrhea from encephalocoele secondary to pseudotumor cerebri

Oligodendroglioma (grade 3)

Trigeminal schwannoma

Mixed microcystic and angiomatous meningioma

Meningiomas - radiation-induced

Internal carotid artery dissection

Glioblastoma IDH-wildtype - involving dura

Medulloblastoma

Gliomatosis cerebri

Meningeal melanocytoma

Pituitary macroadenoma - null cell

Pineoblastoma

Hydrocephalus

Pneumomediastinum

Solitary fibrous tumor (hemangiopericytoma)

Glioblastoma with pseudoresponse

Pilocytic astrocytoma

MCA stroke with early filling vein

Cerebral metastasis to basal ganglia

Melanoma metastasis

Polymicrogyria

Pericallosal lipoma - tubulonodular

Acute bilateral subdural hemorrhages

Transverse sinus thrombosis

Chiari I malformation with syrinx

Diffuse astrocytoma NOS ("protoplasmic")

MCA infarct (with perfusion)

Meningioma with peritumoural cyst

Vertebral and epidural metastases

Carotid cave aneurysm (coiled) and MCA fenestration

Post-transplant lymphoproliferative disorder (PTLD)

Pilocytic astrocytoma

Meningioma - petrous apex

Cryptococcosis

Hemangioblastoma - spinal cord

Chiari II malformation

CSF leak from meningocoele in Marfan's disease

Oligoastrocytoma NOS

Toxoplasmosis

Solitary fibrous tumor of the dura

Multiple sclerosis

Base of skull chondrosarcoma

Acute disseminated encephalomyelitis (ADEM)

Demyelination - incomplete ring enhancement

Chondrosarcoma

Extradural epidermoid cyst

Colloid cyst with hydrocephalus

Evolving right middle cerebral artery territory infarct

Disclosures: