Fig. 6
From: Can MRI chemical shift imaging replace thymic biopsy in myasthenia gravis patients?
MRI chemical shift imaging in a 34-year-old male patient complaining of dysphagia and weakness in both upper limbs diagnosed as MG. a In phase and b out of phase MR images show the lesion eliciting a hyperintense signal relative to the surrounding muscles in the in-phase series with apparent signal drop in the out of phase series. CSR value is 0.61. Histopathological diagnosis was thymic hyperplasia