File:Cerebral abscess with ventriculitis (Radiopaedia 78965-91877 B 14).jpg

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Cerebral_abscess_with_ventriculitis_(Radiopaedia_78965-91877_B_14).jpg ‎(548 × 548 pixels, file size: 78 KB, MIME type: image/jpeg)

Summary:

Description
  • Radiopaedia case ID: 78965
  • Image ID: 52932925
  • Image stack position: 14/59
  • Plane projection: Coronal
  • Aux modality: C+ arterial phase
  • Study description: Post contrast CT
  • Study findings: There is a ring-enhancing centrally hypoattenuating ovoid lesion within the white matter of the right occipital lobe, corresponding to the changes described on the recent non-contrast CT. The enhancing component measures 20 x 12 x 12 mm. There is mild perilesional vasogenic edema and mild positive mass effect, with partial effacement of the occipital horn of the right lateral ventricle. No further intra or extra-axial space-occupying lesion. No further abnormal focus of intracranial contrast enhancement. No CT evidence of ventriculitis. The major dominant intracranial arteries and dural venous sinuses opacify normally. IMPRESSION Ring-enhancing centrally hypoattenuating lesion within the right occipital white matter with mild positive mass effect. The differential diagnosis is between a cerebral abscess and neoplasm. MRI with gadolinium is recommended.
  • Modality: CT
  • System: Central Nervous System
  • Findings: Motion artefact degrades image quality. No acute intra or extra-axial hemorrhage. There is focal hypoattenuation within the right occipital lobe, with asymmetry of the adjacent occipital horn of the right lateral ventricle and mild positive mass effect. Neuroparenchymal volume and grey-white matter differentiation are elsewhere preserved. Normal CT appearance of the midline and posterior fossa structures. Unremarkable orbits and globes. Small right frontal scalp hematoma. The imaged paranasal sinuses and mastoid air cells are well pneumatized. IMPRESSION
Date Published: 17th Jun 2020
Source https://radiopaedia.org/cases/cerebral-abscess-with-ventriculitis-2
Author Craig Hacking
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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