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Identification of reversible changes in cerebral fat embolism syndrome using susceptibility‐weighted imaging: A case report
Author(s) -
Hidaka Masaoki,
Murao Kei,
Yokoi Mio,
Kuwano Miyuki,
Mezuki Satomi,
Osaki Masato,
Akiyama Tomoaki,
Yamaguchi Shinya,
Sayama Tetsuro,
Kitazono Takanari,
Arakawa Shuji
Publication year - 2020
Publication title -
neurology and clinical neuroscience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.125
0ISSN - 2049-4173
DOI - 10.1111/ncn3.12388
Subject(s) - medicine , susceptibility weighted imaging , magnetic resonance imaging , fat embolism , deoxygenated hemoglobin , hyperintensity , fat embolism syndrome , white matter , radiology , pathology , hemoglobin
A 90‐year‐old female with traumatic femur fracture developed dyspnea and consciousness disturbance. Susceptibility‐weighted imaging of the brain revealed multiple punctate low‐signal‐intensity lesions throughout the cerebral white matter, and cerebral fat embolism was diagnosed. The symptoms recovered with conservative treatment, while magnetic resonance imaging scans showed the amount of susceptibility‐weighted imaging lesions markedly increased on day 7 and moderately decreased on day 20. Although susceptibility‐weighted imaging lesions in cerebral fat embolism are thought to be petechiae and last through the whole course without significant change, the reversal of the susceptibility‐weighted imaging findings in our case might reflect a susceptibility change due to chronological hemoglobin degeneration and reperfusion of cerebral microcirculation.