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31 Cards in this Set
- Front
- Back
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Course of capillary hemangioma (4)
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presents in first few months of life
enlarges over months stabilizes involutes by age 5-7yo |
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Complications of capillary hemangioma (4)
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amblyopia
anisometropia ptosis bony expansion of the orbit |
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Treatment of capillary hemangioma (5)
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observation
steroids laser surgery beta blockers |
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Who gets cavernous hemangiomas (3)
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adults
F>M intraconal>extraconal |
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What are the 4 characheristics of cavernous hemangiomas?
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common
well-circumscribed progressive diplopia encapsulated |
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Treatment of cavernous hemangioma
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excision if symptomatic
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How is cavernous hemangioma diagnosed
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A scan
high intensity reflectivity |
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What is an orbital varix?
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dilation of pre-existing venous structures
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How is an orbital varix usually diagnosed/presents
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valsalva-induced proptosis
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What is a common complication of an orbital varix
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spontaneous hemorrhage is common
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What is the treatment of an orbital varix?
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observation
surgical debulking in severe cases or when vision is compromised |
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What are the indications for excision of an orbital varix?
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severe symptomatic or vision compromise
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3 possible components of a lymphangioma?
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lymphatic
varices hemangioma |
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How to lymphangiomas present (2)?
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enlargement with URI or hemorrhage (nose bleed)
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What is the treatment for lymphangioma (3)
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observation
debulking drainage of larger cysts |
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Do lymphangiomas respond to steroids?
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no
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What does lymphangioma look like on imaging?
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tortuous spoonful of noodles
+ phlebolith |
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What is the treatment for orbital AVM (2)
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observation
embolization followed by excision in selected cases |
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6 signs/symptoms of C-C fistula
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proptosis
motility distubance engorgement of episcleral vessels ehmosis elevated intraocular pressure decreased vision |
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What is the presentation of high flow C-C fistula
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sudden onset
often traumatic |
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What is the presentation of low flow C-C fistula (dural sinus fistula) (3)
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older adults
subacute onset may spontaneously close |
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What is the treatment of C-C fistula
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observation in mild cases
arteriography and embolization in severe cases |
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What is a hemangiopericytoma?
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neoplasm of pericytes
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What does a hemangiopericytoma look like on imaging (2)?
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encapsulated
discrete lesion |
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What can a hemangiopericytoma be confused with on imaging?
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cavernous hemangioma
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What is a complication of hemangiopericytoma
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malignant transformation
metastasis |
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Treatment of hemangiopericytoma
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surgical excision
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What is a complication of benign lymphoid hyperplasia?
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may be a precursor to malignant lymphoma
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What is the presetnation of malignant lymphoma in the orbit (4)
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slowly progressive
painless proptosis+/- palpable mass +/-subconj heme |
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What is a complication of malignant orbital lymphoma?
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progression to systemic disease
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Treatment of malignant orbital lymphoma (5)
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open biopsy
systemic evaluation observation orbtial radiation +/- chemo |
