Intracerebral metastases other diagnostic studies

Intracerebral metastases Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Overview

Brain biopsy is done to confirm the diagnosis of intracerebral metastases, if the type of primary tumor is unknown or the etiology of the brain abnormality is unknown. Histopathological findings on biopsy of intracerebral metastases can be found here.

Other Diagnostic Studies

• Brain biopsy is done to confirm the diagnosis of intracerebral metastases, if the type of primary tumor is unknown or the etiology of the brain abnormality is unknown.
• Histopathological findings on biopsy of intracerebral metastases can be found here.
• Biopsy may be of two types: open and stereotactic.
• Indications for open biopsy and stereotactic biopsy are described below:

Type of biopsy	Indications
Open biopsy	Surgically resectable masses Lesions in accessible and relatively “silent” areas of the brain or in areas of the brain with a mild postoperative neurological deficit Appearance consistent with tumor on the MRI Large tumors exerting mass effect
Stereotactic biopsy	Deep-seated tumor that is not amenable to resection Lesions in which the radiological and clinical findings are ambiguous Diffuse or multiple lesions Appearance that suggests a lymphoma, which would not require resection Change in the appearance of a previously diagnosed or treated tumor Assessment of tumor after treatment (to distinguish between radiation necrosis and tumor recurrence)

References

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