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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Lymphoplasmacyte-rich meningioma

Pilocytic astrocytoma

Schwannoma of the hypoglossal nerve

Astrocytoma, IDH-mutant - grade 3 - gliomatosis growth pattern

Posterior fossa ependymoma

Lewy body (histology)

Post-transplant lymphoproliferative disorder (PTLD)

CAPNON

Oligodendroglioma (grade 3)

Medulloblastoma

Pilocytic astrocytoma

Oligodendroglioma

Clear cell meningoma - lumbar spine

Pilocytic astrocytoma

Tuberculomas

Pilocytic astrocytoma - non-enhancing

Oligodendroglioma

Extradural epidermoid cyst

Meningeal melanocytoma

Leukoencephalopathy with calcifications and cysts (histology)

Neurenteric cyst

Pilocytic astrocytoma

Pilomyxoid astrocytoma

Cardiac tumor - undifferentiated pleomorphic sarcoma

Gemistocytic astrocytoma (gliomatosis growth pattern)

Pineocytoma (histology)

Solitary fibrous tumor (hemangiopericytoma) (histology)

Ependymoma (histology)

Myxopapillary ependymoma (histology)

Anaplastic ependymoma (histology)

Ependymoma (histology)

Gliomatosis, multifocal glioma

Glioblastoma IDH-wildtype (mesial temporal)

Astrocytoma, IDH mutant Grade 4

Supratentorial ependymoma

Glioblastoma IDH wild-type

Plasmacytoma - cavernous sinus

Atypical meningioma

Periventricular CNS germinoma

Chondrosarcoma (clivus)

Gliosarcoma IDH wild-type

Inflammatory demyelination

Glioblastoma IDH wild-type (with pseudoprogression)

Epidural angiolipoma

Peripheral nerve sheath tumor of uncertain malignant potential

Ecchordosis physaliphora

Esthesioneuroblastoma

Glioblastoma IDH wild-type

Oligodendroglioma (IDH-mt, 1p19q codeleted)

Pleomorphic xanthastrocytoma

Cryptococcoma of the cerebellum

Acute disseminated encephalomyelitis

Crohn disease - cobblestone appearance (gross pathology)

Non-caseating granuloma of Crohn disease (histology)

Pleomorphic xanthoastroctyoma (histology)

Gastrointestinal stromal tumor (histology)

Alexander disease (gross pathology)

Rosenthal fibers in Alexander disease

Chondrosarcoma (histology)

Echinococcus granulosus - scolex (photo)

Betz cell of the primary motor cortex (histology)

Frontotemporal degeneration (gross pathology)

Adult polycystic kidney (gross pathology)

Central neurocytoma (histology)

Rosenthal fibers (histology)

Colorectal adenocarcinoma (gross pathology)

Psammoma bodies - meningioma (histology)

Duodenum amyloid deposition (histology)

Cutaneous capillary hemangioma (photo)

Clostridioides difficile (electron microscopy)

Papillary thyroid cancer (histology)

Opisthorchis sinensis liver fluke egg (photo)

Colonic diverticulosis (gross pathology)

Pilocytic astrocytoma of the third ventricle

Cavernous sinus hemangioma (huge)

Central neurocytoma

Pineal parenchymal tumor of intermediate differentiation

Epidermoid cyst - middle cranial fossa

Disclosures: