Table Info

Table 1.

MRI semantic features

MR sequence	Intensity pattern	Intensity pattern	Intensity pattern
T1WI	Hyperintense	Isointense	Hypointense
T2WI	Hyperintense	Isointense	Hypointense
FLAIR	Hyperintense	Isointense	Hypointense
Haemorrhage	Present	Absent	-
Calcification	Present	Absent	-
DWI	Restriction	No restriction	-
Cyst	Present	Absent	-
Necrosis	Present	Absent	-
Tumor margins	Well defined	Ill defined	-
Enhancement pattern	Homogenous	Heterogeneous	-
Enhancement pattern	Mild (< 25%)	Moderate (25–75%)	Severe (> 75%)
Tumor location	Forebrain	Brainstem	Cerebellum and fourth ventricle
Laterality	Right	Left	Midline
Oedema	< Tumor volume	= Tumor volume	> Tumor volume
Midline shift	Present	Absent	-
Hydrocephalus	Present	Absent	-

MR: magnetic resonance; T1WI: T1 weighted image; FLAIR: fluid-attenuated inversion recovery; DWI: diffusion-weighted imaging; -: blank cell

Declarations

Acknowledgments

We acknowledge our institute Tata Memorial Hospital, for providing us with the means and resources to be able to write this article and access the images.

Author contributions

A Mahajan: Conceptualization, Project administration, Investigation, Methodology, Supervision, Validation, Writing—review & editing. MB: Conceptualization, Data curation, Formal analysis, Investigation, Writing—review & editing, Writing—original draft. BK: Supervision. A Mlv: Data curation, Formal analysis, Software. MB, UA, BKSS, A Mlv, AG, A Sahu, AC, V Pawar, V Punia, SE, A Sahay, TG, GC, PS and A Moiyadi: Data curation, Investigation. All authors read and approved the submitted version.

Conflicts of interest

The authors declare that there is no conflict of interest.

Ethical approval

The study was conducted after clearance from Institutional Ethics Committee [3296] and conducted in accordance with the guidelines of the Indian Council of Medical Research 2017. The research of this article meets the requirements of the Declaration of Helsinki.

Consent to participate

Informed consent to participate in the study was obtained from all participants.

Consent to publication

Informed consent to publication was obtained from relevant participants.

Availability of data and materials

The datasets generated in this study are available on request to the corresponding author, Abhishek Mahajan (drabhishek.mahajan@yahoo.in; abhiradiology@gmail.com).

Funding

Not applicable.

Copyright

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