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Incidental Diagnosis of an Arachnoid Granulation on Ga-68 DOTATATE PET/MRI

Incidental Diagnosis of an Arachnoid Granulation on Ga-68 DOTATATE PET/MRI Nuclear Medicine and Molecular Imaging (2020) 54:264–266 https://doi.org/10.1007/s13139-020-00664-5 ISSN (print) 1869-3482 INTERESTING IMAGE ISSN (online) 1869-3474 Incidental Diagnosis of an Arachnoid Granulation on Ga-68 DOTATATE PET/MRI 1,2 1 1 Nghi C. Nguyen & Chan-Hong Moon & Joseph M. Mettenburg Received: 14 July 2020 /Revised: 12 August 2020 /Accepted: 17 August 2020 / Published online: 21 August 2020 Korean Society of Nuclear Medicine 2020 . . . . Keywords Arachnoid granulations Pacchionian granulations Meningiomas Ga-68 DOTATATE PET PET/MRI Arachnoid granulations (AGs), also known as Pacchionian filling defect, commonly at insertion points of draining corti- granulations, are growths of the arachnoid membrane, cal veins. AGs have been shown to exhibit increased somato- allowing cerebrospinal fluid (CSF) to resorb from the sub- statin receptor (SSTR), with all 12 tissue samples dissected arachnoid space into the venous system. The growth of these from the superior sagittal sinus revealing equally strong SSTR AGs occasionally forms pits or remodeling of the skull base subtypes 1 and 2 expressions [3]. and calvarium. The prevalence of AGs on CT or MRI has The role of Ga-68 DOTATATE, a radioactive SSTR ago- been shown to vary dependent on the study populations and nist, is well established for neuroendocrine http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nuclear Medicine and Molecular Imaging Springer Journals

Incidental Diagnosis of an Arachnoid Granulation on Ga-68 DOTATATE PET/MRI

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References (15)

Publisher
Springer Journals
Copyright
Copyright © Korean Society of Nuclear Medicine 2020
ISSN
1869-3474
eISSN
1869-3482
DOI
10.1007/s13139-020-00664-5
Publisher site
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Abstract

Nuclear Medicine and Molecular Imaging (2020) 54:264–266 https://doi.org/10.1007/s13139-020-00664-5 ISSN (print) 1869-3482 INTERESTING IMAGE ISSN (online) 1869-3474 Incidental Diagnosis of an Arachnoid Granulation on Ga-68 DOTATATE PET/MRI 1,2 1 1 Nghi C. Nguyen & Chan-Hong Moon & Joseph M. Mettenburg Received: 14 July 2020 /Revised: 12 August 2020 /Accepted: 17 August 2020 / Published online: 21 August 2020 Korean Society of Nuclear Medicine 2020 . . . . Keywords Arachnoid granulations Pacchionian granulations Meningiomas Ga-68 DOTATATE PET PET/MRI Arachnoid granulations (AGs), also known as Pacchionian filling defect, commonly at insertion points of draining corti- granulations, are growths of the arachnoid membrane, cal veins. AGs have been shown to exhibit increased somato- allowing cerebrospinal fluid (CSF) to resorb from the sub- statin receptor (SSTR), with all 12 tissue samples dissected arachnoid space into the venous system. The growth of these from the superior sagittal sinus revealing equally strong SSTR AGs occasionally forms pits or remodeling of the skull base subtypes 1 and 2 expressions [3]. and calvarium. The prevalence of AGs on CT or MRI has The role of Ga-68 DOTATATE, a radioactive SSTR ago- been shown to vary dependent on the study populations and nist, is well established for neuroendocrine

Journal

Nuclear Medicine and Molecular Imaging – Springer Journals

Published: Oct 21, 2020

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