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Table 3 Summary of the MRI findings before treatment of 6 dogs with meningoencephalitis of unknown origin, divided into dogs with focal and multifocal lesions

From: A newly designed radiation therapy protocol in combination with prednisolone as treatment for meningoencephalitis of unknown origin in dogs: a prospective pilot study introducing magnetic resonance spectroscopy as monitor tool

 

Multifocal lesions (n = 3)

Focal lesions (n = 3)

Location

White and grey matter frontal, parietal and occipital lobe, with thalamic involvement (1)

Brain stem to ventro-medial thalamus (2)

White matter occipital lobe and optic nerve (1)

Cerebellar hemisphere (1)

Corpus nucleus caudatus and temporal lobes (1)

Parietal white matter (1)

Margination

Ill-defined (3)

Ill-defined (3)

Signal intensity

T2W and FLAIR hyperintense (3)

T2W and FLAIR hyperintense (3)

T1W hypointense (3)

T1W hypointense (2)

T1W isointense (1)

Contrast enhancement

Mild and heterogeneous (3)

Moderate heterogenous (2)

Moderate homogeneous (1)

Perilesional edema

Mild (2)

Mild (1)

Moderate (1)

Moderate (2)

Mass effect

Present (3)

Present (3)