Neuro signal rads.txt

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Author:
tyvachon
ID:
38891
Filename:
Neuro signal rads.txt
Updated:
2010-10-01 00:37:53
Tags:
neruo rads resident
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Description:
First year rad resident
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  1. Increased Signal on T1WI
    • Fat
    • High Protein
    • Subacute Hemorrhage (Methemoglobin)
    • Gadolinium
    • Other Paramagnetics (Manganese, Calcium, Melanin)
  2. Decreased Signal on T1WI
    • Water (CSF, Edema)
    • Acute Hemorrhage (Oxyhemoglobin, Deoxyhemoglobin)
    • Chronic Hemorrhage (Hemosiderin)
    • Diamagnetic Effects (Calcification, Air)
    • Fast Blood Flow
    • Very Viscous Protein
  3. Increased Signal on T2WI
    • Water (CSF, Edema)
    • Hyperacute Hemorrhage (Oxyhemoglobin)
    • Late Subacute Hemorrhage (Extracellular Methemoglobin)
  4. Decreased Signal on T2WI
    • Fat (NON-FSE)
    • High Protein
    • Acute Hemorrhage (Deoxyhemoglobin)
    • Chronic Hemorrhage (Hemosiderin)
    • Early Subacute Hemorrhage (Intracellular Methemoglobin)
    • Other Paramagnetics (Melanin, Calcium)
    • Diamagnetic Effects (Calcification, Air)
    • Fast Blood Flow
  5. MR Signal of Hemorrhage
    • �IT BE AN IDY BIDY BABY DODO�
    • Oxyhemoglobin IB (Iso T1, Bright T2)
    • Deoxyhemoglobin ID (Iso T1, Dark T2)
    • Intracellular Methemoglobin BD (Bright T1, Dark T2)
    • Extrecellular Methemoglobin BB (Bright T1, Bright T2)
    • Hemosiderin DD (Dark T1, Dark T2)
  6. Intracerebral Hemorrhage
    • Trauma (Increased edema)
    • Infarction (Increased edema)
    • Primary Neoplasm/Mets (Increased edema)
    • Hypertension (basal ganglia, cerebellum, brainstem)
    • Amyloid Angiopathy (elderly)
    • Aneurysm
    • AVM
    • Vasculitis
    • Dural Sinus Thrombosis
    • Bleeding Diatheses
    • Cavernous Hemangioma

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