"Pathology "
"T1: indistinct tumour border (saw teeth appearance of the margins) and marked mass effect"
"T2/FLAIR: marked peri-tumoural oedema"
"DWI/ADC: hyperintense signals on DWI that show restricted diffusion on ADC correlate with hypercellularity and more aggressive behaviour"
"T1 C+ (Gd): avid enhancement that may extend into the bone if associated with bone destruction"
"MR spectroscopy: an elevated level of alanine at short TE"
"The term rhabdoid morphology is referring to the characteristic resemblance of the cells to a rhabdomyoblast without true skeletal muscle differentiation. The term malignant rhabdoid tumour (MRT) was first used to describe a distinctive paediatric renal tumour, the term was applied to similar extra-renal paediatric tumours. Rhabdoid cells show abundant eosinophilic cytoplasm, cytoplasmic hyaline inclusions, and eccentric nuclei 4."
"Rhabdoid meningioma tends to have cystic and solid components with homogeneous enhancement of the solid component. There is extensive peri-tumoural oedema 2. Bone destruction, indistinct margins and central necrosis are known to correlate with aggressiveness."
"T2/FLAIR: marked peri-tumoural oedema"
"T1: indistinct tumour border (saw teeth appearance of the margins) and marked mass effect"
"T2/FLAIR: marked peri-tumoural oedema"
"DWI/ADC: hyperintense signals on DWI that show restricted diffusion on ADC correlate with hypercellularity and more aggressive behaviour"
"T1 C+ (Gd): avid enhancement that may extend into the bone if associated with bone destruction"
"MR spectroscopy: an elevated level of alanine at short TE"
"MR spectroscopy: an elevated level of alanine at short TE"
Expected headings
"Pathology "
"Grading"
"Rhabdoid meningioma tends to have cystic and solid components with homogeneous enhancement of the solid component. There is extensive peri-tumoural oedema 2. Bone destruction, indistinct margins and central necrosis are known to correlate with aggressiveness."