Type:
Educational Exhibit
Keywords:
Neuroradiology brain, Vascular, CT, CT-Angiography, Catheter arteriography, Surgery, Biopsy, Contrast agent-intravenous, Neoplasia, Infection, Arteriovenous malformations
Authors:
S. T. Prabhakar1, B. N. Reddy2, B. B. Das1, P. KUMAR3, S. Viswamitra1; 1Bangalore/IN, 2Bangalore, ka/IN, 3Mumbai/IN
DOI:
10.26044/ecr2019/C-0543
Findings and procedure details
Procedure details:
500 CT brain done between 2016 to 2018 were assessed.
22 different pathologies with hyperattenuation on non-contrast CT were identified.
The lesions were correlated with MRI and histopathology.
This exhibit reviews the various spectrum of hyperdense lesions with respective etiology.
The spectrum of hyperattenuating pathologies with likely etiology is as follows [1-4]:
1.
Neoplastic:
a. Intraxial:
Hypercellularity - Lymphoma,
Medulloblastoma,
Schwannoma.
Calcifications - Oligodendrogliomas.
Intratumoral hemorrhage - Metastasis,
GBM,
Melanocytoma.
b.
Intraventricular :
Hypercellularity - Meningioma.
Calcifications - Subependymal giant cell astrocytoma,
Ependymoma, Central neurocytoma.
Mucin/blood/cholesterol - Colloid Cyst.
c.
Extraaxial:
Hypercellularity - Meningioma,
and Lymphoma.
d.
Sellar/Suprasellar: Craniopharyngioma
Intratumoral hemorrhage - Pituitary macroadenoma.
Calcifications/hypercellularity - Pineoblastoma.
2.
Infective: Tuberculoma
3.
Vascular: AVM,
Cavernoma.
Case-based approach from figure 1-20.