case_images: PMC3205494_01
case_images: (a) MRI scan demonstrating intraspinal PMS. Tu = tumor. (b) The spinal cord is displaced to the right (asterisk), along with erosion and enlargement of the right T6-T7 intervertebral foramen and extension into the posterior mediastinum
case_images: SNI-2-136-g001.jpg
case_images: PMC3205494_01_SNI-2-136-g001.jpg
case_images: F1
case_images: Erosion of the right T7 and T8 pedicles was observed on computed tomography (CT) scan [Figure 1a], and a magnetic resonance imaging (MRI) scan revealed a 3.0 x 2.0 x 1.5 cm, right enhancing, T6-8 extradural mass [Figure 1b] with transforamenal extension into the mediastinum.
case_images: (a) Epithelioid pattern of tumor cells with dense intracytoplasmic melanin granules by H and E stain (magnification x400). (b) Large psammoma body in the center. Large amount of melanin throughout the area of the tumor (H and E, x400)
case_images: SNI-2-136-g002.jpg
case_images: PMC3205494_01_SNI-2-136-g002.jpg
case_images: F2
case_images: PMC3205494_02
case_images: Pelvic CT scan reveals a large tumor mass (black arrowheads) with erosion and destruction of the right sacrum. Retroperitoneal extension of tumor has infiltrated into the right iliacus (IL) and psoas (P) muscles
case_images: SNI-2-136-g003.jpg
case_images: PMC3205494_02_SNI-2-136-g003.jpg
case_images: F3
case_images: Eighteen months later, an MRI scan revealed a recurrent tumor in the right sacrum [Figure 3] with retroperitoneal extension infiltrating the right iliacus and psoas muscles.