Pilomyxoid xanthoastrocytoma (PXA) : MRI
History– A 14 yr female c/o headache since 2 months. 2 episodes of seizures in last one weekFindings- An ill-defined soild-cystic mass is seen in the left parietal lobe with surrounding mild to moderate edema. The cystic component shows restriction of diffusion and rim enhancement. The solid component shows avid postcontrast enhancementFinal Diagnosis- Pilomyxoid xanthoastrocytoma (PXA)Golden PointDDs of cyst with mural nodule-Pilocytic astrocytoma, PXA, ganglioglioma, hemangioblastoma, craniopharyngioma Famous Radiology Blog by Dr Sumer Sethi www.sumersethi.com (Source: Sumer's Radiology Site)
Source: Sumer's Radiology Site - February 9, 2022 Category: Radiology Authors: Sumer Sethi Source Type: blogs
Guest Post from Sandro Santagata, MD, PhD: Papillary Craniopharyngioma Trial
I am pleased to present a guest post from Dr. Sandro Santagata of Brigham and Women ’s Hospital/Dana Farber Cancer Center, who writes:Our group of collaborators has recently opened a Phase II Trial of BRAF/MEK Inhibitors in Papillary Craniopharyngiomas that is sponsored by the Alliance for Clinical Trials in Oncology.The eligibility criteria are listed here:https://clinicaltrials.gov/ct2/show/NCT03224767The trial is based on work published in these two papers:https://www.ncbi.nlm.nih.gov/pubmed/24413733https://www.ncbi.nlm.nih.gov/pubmed/26498373I am happy to answer any questions that our colleagues may have about this t...
Source: neuropathology blog - November 1, 2017 Category: Radiology Tags: molecular studies Source Type: blogs
Rathke's Cleft Cyst: MRI
CASE REPORT: 52year female with known sellar lesion for MRI ( with no prior details) shows- Complex heterogeneously enhancing lesion with deferentially enhancing (subtly, moderate, intense) components seen in sella-suprasellar region with unremarkable bony sella, infundibulum, sphenoid. Lunar shaped normal size intensely enhancing pars distalis component of pituitary with poorly defined posterior pituitary. Thin walled regular T1 hyper& T2 low signal mild enhancing mural nodule containing component in sella –suprasellar region causing compression of optic chiasma with normal cavernous sinus& ICA fl...
Source: Sumer's Radiology Site - February 22, 2017 Category: Radiology Authors: Sumer Sethi Source Type: blogs
CRANIOPHARYNGIOMA : Radiology and Pathology Correlation
teaching videoFamous Radiology Blog http://www.sumerdoc.blogspot.com
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Source: Sumer's Radiology Site - May 18, 2016 Category: Radiology Authors: Sumer Sethi Source Type: blogs
Dr. Thomasina Bailey reviews pituitary session at recent USCAP meeting
A guest post from Thomasina Bailey, MD: I spent Saturday night, March 9, up late in Baltimore at the AANP session at USCAP. The talks focused on sellar lesions. The panel consisted of Drs. Lopez, Kleinschmidt-DeMasters, and Burger. Dr. Lopez from UVA gave a really great overview of sellar lesions focusing in on pituitary adenomas. She discussed the things that are clinically significant in the work-up of pituitary adenomas along with the controversies over atypical adenomas and carcinomas of the pituitary. At the end of her talk, she listed her own WHO classification of pituit...
Source: neuropathology blog - March 14, 2013 Category: Pathologists Tags: meetings Source Type: blogs
