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Pilocytic astrocytoma

Storm ESS - MedPix

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Pilocytic astrocytoma

History: His mother provides a history of increasing headaches over past month, gait disturbances, and possible seizure activity.

Findings: Large, solid mass in the left cerebellar hemisphere with ill-defined margins and significant surrounding T2 signal abnormality representing vasogenic edema. This exerts mass effect upon and displaces the 4th ventricle. Mild hydrocephalus. Diffuse, heterogeneous enhancement following IV gadolinium infusion. CT scan demonstrates a notably low attenuation mass, and inferior displacement of the cerebellar tonsils to the level of the foramen magnum.

Ddx: <li>Astrocytoma (pilocytic or fibrillary) <li>Ependymoma <li>Medulloblastoma

Dxhow: Surgical resection and pathology

Exam: No metabolic abnormality.

No MeSH data available.


Lowest axial CT slice demonstrates cerebellar tonsils at the level of the foramen magnum, indicating an inferior displacement, herniation, or ectopy.
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MPX1086_synpic25191: Lowest axial CT slice demonstrates cerebellar tonsils at the level of the foramen magnum, indicating an inferior displacement, herniation, or ectopy.


Pilocytic astrocytoma

Storm ESS - MedPix

Lowest axial CT slice demonstrates cerebellar tonsils at the level of the foramen magnum, indicating an inferior displacement, herniation, or ectopy.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1086&req=5

MPX1086_synpic25191: Lowest axial CT slice demonstrates cerebellar tonsils at the level of the foramen magnum, indicating an inferior displacement, herniation, or ectopy.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Pilocytic astrocytoma

History: His mother provides a history of increasing headaches over past month, gait disturbances, and possible seizure activity.

Findings: Large, solid mass in the left cerebellar hemisphere with ill-defined margins and significant surrounding T2 signal abnormality representing vasogenic edema. This exerts mass effect upon and displaces the 4th ventricle. Mild hydrocephalus. Diffuse, heterogeneous enhancement following IV gadolinium infusion. CT scan demonstrates a notably low attenuation mass, and inferior displacement of the cerebellar tonsils to the level of the foramen magnum.

Ddx: <li>Astrocytoma (pilocytic or fibrillary) <li>Ependymoma <li>Medulloblastoma

Dxhow: Surgical resection and pathology

Exam: No metabolic abnormality.

No MeSH data available.