Orbital Tumors

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Author:
zimmerk
ID:
218929
Filename:
Orbital Tumors
Updated:
2013-05-10 11:06:16
Tags:
eye ultrasound
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Description:
Ch. 12 Orbital Tumors
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  1. What are the characteristics of a Pseudotumor/ lymphoma?
    • Variable shape,
    • Variable borders,
    • Low-med internal reflectivity,
    • Regular internal structure,
    • Weak sound attenuation,
    • +/- Vascularity,
    • Firm Consistency,
    • Bone WNL (within normal limits)
  2. What are the characteristics of a Rhabdomyosarcoma?
    • Variable shape,
    • Variable borders,
    • Low-med internal reflectivity,
    • Irregular internal structure,
    • Moderate sound attenuation,
    • + Vascularity,
    • Firm Consistency,
    • Bone WNL/defects
  3. What are the characteristics of a Schwannoma (neurilemmoma)?
    • Oval shape,
    • Variable borders,
    • Low-med internal reflectivity,
    • Regular (cystic cavities) internal structure,
    • Moderate sound attenuation,
    • + Vascularity,
    • Firm Consistency,
    • Bone WNL/excavated
  4. What are the characteristics of a Neurofibroma - Solitary?
    • Round/oval shape,
    • Well outlined borders,
    • Low internal reflectivity,
    • Regular internal structure,
    • Weak/moderate sound attenuation,
    • +/- Vascularity,
    • Hard Consistency,
    • Bone WNL (within normal limits)
  5. What are the characteristics of a Neurofibroma - Plexiform?
    • Irregular shape,
    • Poorly outlined borders,
    • High internal reflectivity,
    • Irregular internal structure,
    • Weak sound attenuation,
    • + Vascularity,
    • Soft Consistency,
    • Bone WNL (within normal limits)
  6. What are the characteristics of a Fibrous histiocytoma?
    • Oval shape,
    • Well outlined borders
    • Low-med internal reflectivity
    • Regular internal structure,
    • Moderate sound attenuation,
    • +/- Vascularity,
    • Firm Consistency,
    • Bone WNL (within normal limits)
  7. What are the characteristics of a Metastatic carcinoma - Infiltrative?
    • Irregular shape,
    • Poorly outlined borders,
    • Med-high internal reflectivity,
    • Irregular internal structure,
    • Weak sound attenuation,
    • - Vascularity,
    • Hard Consistency,
    • Bone WNL/defects
  8. What are the characteristics of a Metastatic carcinoma - Confined?
    • Variable shape,
    • Well outlined borders,
    • Low-med internal reflectivity,
    • Regular internal structure,
    • Weak/moderate sound attenuation,
    • - Vascularity,
    • Hard Consistency,
    • Bone WNL/defects
  9. What are the characteristics of a Lacrimal Gland: Pseudotumor/ lymphoma (PL)?
    • Spindle shape,
    • Low-med internal reflectivity,
    • Regular internal structure,
    • Weak sound attenuation,
    • +/- Vascularity,
    • Normal Consistency,
    • Unilateral/Bilateral
  10. What are the characteristics of a Lacrimal Gland: Benign Mixed Tumors (BMT)?
    • Round-oval shape,
    • Med-high internal reflectivity,
    • Regular internal structure,
    • Moderate sound attenuation,
    • - Vascularity,
    • Normal/excavated Consistency,
    • Unilateral
  11. What are the characteristics of a Lacrimal Gland: Ademoid Cystic Carcinoma (ACC)?
    • Irregular shape,
    • Med-high internal reflectivity,
    • Irregular internal structure,
    • Moderate/Strong sound attenuation,
    • - Vascularity
    • Excavated/defects Consistency,
    • Unilateral
  12. List Orbital Cystic Lesions.
    • Dermoid cyst,
    • Epidermoid cyst,
    • Dermolipoma,
    • Epithelial inclusion cyst,
    • Hematic cyst,
    • Microphthalmos with cyst,
    • Congenital custic eye (anophthalmos with cyst),
    • Teratoms,
    • Lacrimal ductal cyst,
    • Mucocele

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