Focal cortical dysplasia (type I)

Case contributed by Dr Derek Smith

Presentation

Absent episodes with limb jerking (infantile spasms). Possible arrested development.

Patient Data

Age: 1 year
Gender: Female

Focal swelling of left temporal lobe. Gyriform low T1w/high T2w signal, predominantly in the subcortical white matter with blurring of GM/WM junction. Remainder of parenchyma normal, with normal mesial temporal lobe appearances. Normal CSF configuration. No abnormal restricted diffusion. No contrast enhancement or SWI abnormality.

Case Discussion

Signal abnormality in the left temporal lobe without associated positive or negative mass effect. Likely focal cortical dysplasia (Blumcke type I), although a low grade DNET remains in the differential list.

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Case information

rID: 54043
Case created: 20th Jun 2017
Last edited: 30th Oct 2017
Inclusion in quiz mode: Included

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