TY - JOUR
AU - Rocha, A.J. da
AB - LETTERS Primary Angiitis of the CNS with Unremarkable Vessel Wall MR Imaging: How the “T1 Shinethrough” Effect on SWI Adds to the Detection of Gadolinium Enhancement of Small Intraparenchymal Brain Vessels he article published by Suthiphosuwan et al in the high-resolution images that provide higher sensitivity than TSeptember 2020 edition of AJNR made a strong impression T2*-weighted imaging to detect brain hemorrhage and cal- on us. The authors elaborate on the clinical, histopathologic, and cification. It is also useful to acquire intracranial venog- imaging findings of biopsy-proved cases of primary central nerv- raphy (venous bold imaging). Although in that sequence ous system vasculitis (PCNSV). the T2* and phase effects are dominant, the signal inten- One of the major difficulties in the diagnosis of tumefac- sity is also a function of molecular transverse relaxation tive primary CNS vasculitis (t-PCNSV) is the differentiation time for gradient-echo imaging; therefore, T1 effects are 1,2 of this condition from malignant neoplasms. The absence still present. This phenomenon is termed the “T1 shi- of abnormalities in large- and medium-sized vessels on CTA, nethrough” effect and can be exploited for the detection of MRA, and high-resolution vessel wall imaging makes it even pathologic gadolinium enhancement in 
TI - Primary Angiitis of the CNS with Unremarkable Vessel Wall MR Imaging: How the “T1 Shinethrough” Effect on SWI Adds to the Detection of Gadolinium Enhancement of Small Intraparenchymal Brain Vessels
JF - American Journal of Neuroradiology
DO - 10.3174/ajnr.A6973
DA - 2021-04-01
UR - https://www.deepdyve.com/lp/american-journal-of-neuroradiology/primary-angiitis-of-the-cns-with-unremarkable-vessel-wall-mr-imaging-UtJUu95DB6
SP - E24
EP - E26
VL - 42
IS - 4
DP - DeepDyve
ER -