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22 Cards in this Set
- Front
- Back
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What are the two forms of fibrous dysplasia of the orbit?
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monostotic or polyostotic
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Who gets fibrous dysplasia of the orbit?
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teenagers
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What are 2 complications of fibrous dysplasia of the orbit
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obstructive sinus disease
orbital apex compression (rare) |
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Treatment of fibrous dysplasia of the orbit (2)
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observation
surgical debulking-excision |
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Osteoma location
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frontal ethmoid sinuses
benign |
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Treatment of osteoma in the orbit
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excision if symptomatic
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What are 3 forms of histiocytosis X
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eosinophilig granuloma
Letterer-Siwe Hand-Schuller-Christian |
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Who gets histiocytosis X
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kids
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What are two types of histiocytosis x
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unifocal and multifocal
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What is histocytosis x
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proliferation of langerhans cells (hisiocytes)
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How does histiocytosis x present on imaging
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lytic lesion of orbital roof
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Treatment of histiocytosis X (4)
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biopsy
steroids radiation ehmotheraphy |
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7 orbital lesions involving the bones
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fibrous dysplasia
osteoma histiocytosis x multiple myeloma cavernous hemangioma aneurysmal bone cyst chondrosarcoma osteosarcoma |
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Who gets rhabodmyosarcoma
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kids
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Presentation of rhabdomyosarcoma
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acute or subacute proptosis
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What are the 4 types of rhabdomyosarcoma?
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embryonal
alveolar pleomorphic botryoid |
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What type of rhabdomyosarcoma is the most common?
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embryonal
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What type of rhabdomyosarcoma is the most malignant?
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alveolar
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What type of rhabdomyosarcoma is the rarest and least malignant?
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pleomorphic
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What type of rhabdomyosarcoma affects the sinuses and conjunctiva?
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botryoid
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What is the treatment for rhabdomyosarcoma? (4)
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biopsy
debulking radioation chemotheraphy |
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What is the cure rate if rhabdomyosarcoma is confined to the orbit?
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85% cure
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