havard neuro 18 Head neck.txt

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Author:
tyvachon
ID:
68896
Filename:
havard neuro 18 Head neck.txt
Updated:
2011-02-25 11:35:02
Tags:
radiology resident neuro head neck
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Description:
radiology resident neuro head neck
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  1. Ocular muscle enlargement:
    thyroid ophthalmopathy (#1, painless), pseudotumor (painful), infection from adjacent sinus, TB, sarcoid, carotid cavernous fistula, hemorrhage, tumor
  2. Childhood orbital masses:
    retinoblastoma, rhabdomyosarcoma, optic nerve glioma, lymphoma, leukemia, hemangioma, lymphangioma, dermoid, neuroblastoma
  3. Adult orbital masses:
    hemangioma, schwannoma, melanoma, meningioma, lymphoma, pseudotumor, trauma
  4. Cystic orbital lesions:
    dermoid, epidermoid, teratoma, ABC, cholesterol granuloma, colobomatous cyst
  5. T1 hyperintense orbital masses: tumor �
    melanoma, retinoblastoma, choroidal mets, hemangioma;
  6. T1 hyperintense orbital masses detachment �
    Coat�s disease, persistent hyperplastic primary vitreous, trauma;
  7. T1 hyperintense orbital masses other �
    hemorrhage, phthisis bulbi
  8. Globe calcifications: tumor �
    retinoblastoma (95%), astrocytic hamartoma (TS, NF), choroidal osteoma;
  9. Globe calcifications: infection (chorioretinitis) �
    toxoplasmosis, herpes, CMV, rubella;
  10. Globe calcifications: other �
    phthisis bulbi (calcification in endstage disease, shrunken bulb), optic nerve drusen (most common cause of calcifications in adults, bilateral)

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