Table 1.

Review of clinical features in pathologically proven cases of diffuse astrocytoma (formerly GC) presenting with parkinsonism (n/a, not available)

Characteristic	Tagliati (2000) 11	Slee (2006) 12	Oliviera (2018) 1	Jang (2013) 10	Asada (2007) 14
Clinical diagnosis	Idiopathic Parkinson's disease	Sporadic Creutzfeldt‐Jakob disease	Dementia with Lewy Bodies	Juvenile parkinsonism	Parkinsonism
Levodopa response	Partial	n/a	No	No	No
Pyramidal signs	Present	Absent	Absent	Absent	Present
Cognitive impairment	Present	Present	Present	Present	Absent
Sphincter disturbance	Urinary urgency	Urinary incontinence	Absent	Absent	n/a
Falls < 3y from onset	Yes	No	Yes	No	Yes
MR imaging findings	T2 hyperintensity in left temporal lobe and bilateral thalami	Symmetrical T2 hyperintensity of the thalami, lentiform nuclei, heads of the caudate nuclei.	Diffuse T2 hyperintensity with focal ring‐enhancing nodules	Left parietal T2 high signal	Extensive bilateral diffuse T2 high‐intensity lesions in fronto‐parietal white matter T2 hypointensity in left putamen
Gliomatosis pathology distribution	Pons, midbrain, basal ganglia, amygdala, cortex	Right temporal lobe (biopsy)	Identified on brain biopsy	Identified on brain biopsy	Cerebral white matter (biopsy)