Fig. 7
From: Can MRI chemical shift imaging replace thymic biopsy in myasthenia gravis patients?
MRI chemical shift imaging in a 44-year-old female patient complaining of drooping of both eyelids 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 0.41. Histopathological diagnosis was thymic hyperplasia