Intracerebral metastases CT

Intracerebral metastases Microchapters
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CT

NECT: Iso to hypodense mass with anywhere from zero to marked peritumoral edema.

CECT: enhancement is also variable and can be intense, punctuate, nodular or ring-enhanced if the tumour has out grown it's blood supply.

Gallery

• 
  _{CT scan of head before (left image) and after (right image) injection of iodinated contrast of a 75 year old patient demonstrating three brain metastatic masses from breast cancer with large peripheral edema.}
• 
  _{CT scan of a 60 year old patient who developed left-handed weakness which improved with corticosteroids and neurological examination revealing left pronator drift and left sided arm and leg weakness demonstrates right frontoparietal hyperdense intra-axial lesion that enhances in post contrast study. Small surrounding vasogenic edema and no significant mass effect is observed.}
• 
  _{CT scan of a patient with known (histologically confirmed) small cell carcinoma of the lungs demonstrates multiple cystic cerebral metastases.}
• 
  _{Ct scan without contrast of the patient with known metastatic breast cancer, complaining of headache, demonstrates a solitary right frontal lobe mass with extensive surrounding edema. The mass has it's epicenter close to the grey white matter junction.}
• 
  _{Ct scan with contrast of the patient with known metastatic breast cancer, complaining of headache, demonstrates a solitary heterogenously enhancing right frontal lobe mass with extensive surrounding edema. The mass has it's epicenter close to the grey white matter junction.}
• 
  _{Postcontrast CT image of brain for a 60 year old male patient with metastatic bronchogenic carcinoma presenting with altered mental status and headache of recent onset demonstrating enhancing intra-axial lesion.}
• 
  _{Noncontrast CT of a 36 year old female, a known case of esophageal cancer, presenting with headache and right sided hemiparesis, demonstrates a cystic lesion (37 x 31 mm) in the left high frontal lobe with significant perilesionalvasogenic edema causing mass effect in the form of sulcal effacement and subfalcine herniation.}
• 
  _{Post contrast CT of a 36 year old female, a known case of esophageal cancer, presenting with headache and right sided hemiparesis, demonstrates a ring-enhancing cystic lesion (37 x 31 mm) in the left high frontal lobe with significant perilesionalvasogenic edema causing mass effect in the form of sulcal effacement and subfalcine herniation.}
• 
  _{Noncontrast CT scan of a 70 year old female with a known history of metastatic colorectal cancer, presenting with right sided hemiparesis, demonstrates a 2cm rounded mass is present in the post-central gyrus, which is iso-dense to cortex pre-contrast and demonstrates homogeneous contrast enhancement. It is located at the grey-white matter interface and is surrounded by extensive vasogenic edema, which exerts significant mass effect.}
• 
  _{Following the administration of contrast, the mass demonstrates relatively vivid enhancement. It remains an isolated abnormality.}
• 
  _{Noncontrast CT scan of a 53 year old caucasian male with known history of malignant melanoma, complaining of headaches, demonstrates hyperdense lesions in brain.}

References

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