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9 Cards in this Set
- Front
- Back
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epidural bleed
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epidural bleed
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CSF leak
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epidural bleed
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neuro base fracture
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subdural hematoma
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subdural bleed
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temporal bone fx
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Increase signal on T1 MRI Brain
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Table 1
Classification of T1-Hyperintense Intracranial Lesions according to Lesion Content Methemoglobin Hemorrhagic infarct, intraparenchymal hematoma (eg, in amyloid angiopathy), diffuse axonal injury, subarachnoid hemorrhage, epidural hematoma, subdural hematoma, intraventricular hemorrhage, arterial and venous thrombi, vascular malformations (eg, cavernous malformation), hemorrhagic neoplasm Melanin Metastatic melanoma, primary diffuse meningeal melanomatosis, melanocytoma, neurocutaneous melanosis Lipid Lipoma, osteolipoma, teratoma, dermoid cyst, lipomatous neoplasm (meningioma, astrocytoma, medulloblastoma, neurocytoma, ependymoma), hypothalamic hamartoma, metaplastic ossification of the dura Protein Colloid cyst, Rathke cleft cyst, ectopic posterior pituitary gland, intracranial extension of mucocele, duplicated pituitary gland Minerals Cockayne syndrome, Fahr disease (hypoparathyroidism, pseudohypoparathyroidism, pseudopseudohypoparathyroidism; tumor calcification), neurodegeneration with brain iron accumulation, Fabry disease, hepatic encephalopathy, Wilson disease, hyperalimentation, hypermagnesemia Other HIV infection, type 1 neurofibromatosis, cholesterol granuloma, craniopharyngioma, cortical laminar necrosis, hypoxic ischemic encephalopathy, chronic multiple sclerosis, chordoma, nonketotic hyperglycemia, abscess |
