Fig 2: Thoracic intramedullary PMA extending from T6 to T8 vertebral body. a ) Sagittal T2w weighted (MRI) showed hyperintense lesion. b ) Sagittal T1w weighted (MRI) showed hypointense lesion.
Since PMA is a recently discoverd tumor, reported cases in the literture suggesting difficulty distinguishing radiological imaging features for this extermly rare tumor compare to PA [10] . On the other hand, the histological finding of PMA has dependable difference features compared to PA [3].