Publications by authors named "Kasumi Hattori"

Article Synopsis
  • The study investigates the use of two different methods for collecting T1-weighted imaging (T1WI) during amyloid-β PET scans, comparing simultaneous acquisitions during PET/MRI and separate examinations during PET + MRI.
  • By analyzing data from 49 patients who underwent both types of PET scans, researchers aimed to understand the correlation and differences in Centiloid (CL) values, which are important for assessing amyloid levels in the brain.
  • Results showed a strong linear correlation in CL values between both imaging methods across different PET tracers, with no significant differences found, suggesting both methods are reliable for analyzing amyloid-β.
View Article and Find Full Text PDF

Case 1: A 64-year-old woman with acute ptosis and diplopia was admitted to our hospital. She had right oculomotor nerve palsy with preserved pupillary reaction without any other neurological deficits. MRI showed abnormal enhancement in the right oculomotor nerve.

View Article and Find Full Text PDF
Article Synopsis
  • - Anti-myelin oligodendrocyte protein antibody-associated disease (MOGAD) is a recently identified condition that can lead to symptoms like recurrent optic neuritis and may overlap with neuromyelitis optica spectrum disorder (NMOSD).
  • - An 86-year-old woman with a history of microscopic polyangiitis experienced sudden vision loss, tested negative for MPO-ANCA, but was found to have anti-MOG antibodies in her serum and cerebrospinal fluid, leading to a diagnosis of MOGAD with MPA.
  • - After receiving steroid pulse therapy and azathioprine, the patient experienced rapid recovery of her vision with no relapses in an 8-month follow-up period, marking a significant
View Article and Find Full Text PDF

Objectives: To report pitfalls in the clinical diagnosis of anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis.

Methods: We retrospectively reviewed the clinical information of 221 patients with clinically suspected autoimmune neurological disorders who underwent testing for autoantibodies against neuronal cell-surface antigens between January 1, 2007 and September 10, 2017. Forty-one patients met the diagnostic criteria for probable anti-NMDAR encephalitis (probable criteria), but one was excluded because neither serum nor CSF was examined at the active stage.

View Article and Find Full Text PDF

A 62-year-old man with acute paraplegia was transferred to our hospital. He had flaccid paraplegia and multiple cranial nerve palsies, such as mydriasis of the left pupil, abduction palsy of the left eye, hoarseness and dysphagia, but no meningeal irritation signs. MRI of the spinal canal showed swellings of the conus medullaris and the cauda equine, and also contrast enhancement of the spinal meninges.

View Article and Find Full Text PDF