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Metastatic Tumors

Nolan MRN - MedPix (2008)

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Affiliation: Uniformed Services University

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Development of metastatic deposits within the parenchyma of the brain is the result of hematogenous spread... On occasion, the nervous system may be the sole site of distant metastasis, but cerebral involvement is generally associated with spread from the primary source into many organs... Often superficially placed nodules in the cortex become adherent to the overlying dura without generalized dissemination into the subarachnoid space... Localized extension to the dura also occurs in metastatic lesions of the cerebellar cortex... Metastases occur in the deep gray nuclei of the cerebrum, in the brain stem and cerebellum, but are less common than in the cerebral hemispheres... In these locations they may develop either as part of extensive dissemination in the brain or as a solitary deposit... Mention should be made of the relation of metastatic tumors to the development of increased intracranial pressure... It is not uncommon, however, for the pathologist to find multiple secondary foci in patients who have presented no clinical manifestations of intracranial hypertension and whose brain at necropsy shows none of the anatomical alterations related to cerebral edema.

No MeSH data available.


Section of Brain Stem and Cerebellum at Upper Pons: A well outlined metastatic nodule replaces the tegmentum of one side. The fourth ventricle is pushed to the opposite side and compressed to a narrow slit. Primary in lung.
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MPX2781_synpic42760: Section of Brain Stem and Cerebellum at Upper Pons: A well outlined metastatic nodule replaces the tegmentum of one side. The fourth ventricle is pushed to the opposite side and compressed to a narrow slit. Primary in lung.


Metastatic Tumors

Nolan MRN - MedPix (2008)

Section of Brain Stem and Cerebellum at Upper Pons: A well outlined metastatic nodule replaces the tegmentum of one side. The fourth ventricle is pushed to the opposite side and compressed to a narrow slit. Primary in lung.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX2781&req=5

MPX2781_synpic42760: Section of Brain Stem and Cerebellum at Upper Pons: A well outlined metastatic nodule replaces the tegmentum of one side. The fourth ventricle is pushed to the opposite side and compressed to a narrow slit. Primary in lung.

View Article: MedPix Image - MedPix Topic

Affiliation: Uniformed Services University

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

Development of metastatic deposits within the parenchyma of the brain is the result of hematogenous spread... On occasion, the nervous system may be the sole site of distant metastasis, but cerebral involvement is generally associated with spread from the primary source into many organs... Often superficially placed nodules in the cortex become adherent to the overlying dura without generalized dissemination into the subarachnoid space... Localized extension to the dura also occurs in metastatic lesions of the cerebellar cortex... Metastases occur in the deep gray nuclei of the cerebrum, in the brain stem and cerebellum, but are less common than in the cerebral hemispheres... In these locations they may develop either as part of extensive dissemination in the brain or as a solitary deposit... Mention should be made of the relation of metastatic tumors to the development of increased intracranial pressure... It is not uncommon, however, for the pathologist to find multiple secondary foci in patients who have presented no clinical manifestations of intracranial hypertension and whose brain at necropsy shows none of the anatomical alterations related to cerebral edema.

No MeSH data available.