Petrous Apex Cephaloceles-MRI
64 yr old female with non specific h/o headache.MRI scan (axial T1 and T2) showed well defined cystic lesions at both petrous apices with no surrounding edema, NCCT (not shown) showed no bony destruction.Sag T2 showed partial empty sella, however other signs of pseudo-tumor cerebri such as papilledema and prominent CSF around optic nerves was not seen. Both lesions were in direct continuity with meckel's cave. These are B/L petrous apex cephaloceles. Case by : Dr Prashant Gupta and Dr Himani Agarwal, Consultant Radiologists.
Learning points:
- not true "cephaloceles" as they do not contain brain tissue.
- actually they are herniation of posterolateral meckels cave into anteromedial petrous apex.
- etiology is debatable but said to be due to increased CSF pulsations.
- rare case reports of association with partial empty sella(as seen here)
- one of the "do not touch" petrous apex lesions
Petrous Apex Cephaloceles-MRI
Reviewed by Sumer Sethi
on
Friday, February 03, 2012
Rating:
Reviewed by Sumer Sethi
on
Friday, February 03, 2012
Rating:
Sumer Sethi
Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.
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