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20 Cards in this Set
- Front
- Back
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What is seen in a dermoid on pathology?
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cyst lined with epidermal or dermal tissue (with adnexal structures)
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What are the characteristics of a pediatric dermoid cyst (4)
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smaller
more superficial than adult usually under lateral brow may have orbial/intracranial component (bi-lobed) |
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What are the 2 characteristics of an adult dermoid cyst?
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giant
deeper than in kids |
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3 common locations for an adult dermoid cyst
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lateral orbit
near trochlea medial canthus |
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What is a complication of dermoid cyst
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traumatic or spontaneous rupture
results in acute inflammatory granulomatous process |
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Treatment of a dermoid cyst
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complete excision (if not complete will recurr)
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What is a mococele
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mucosal lined cyst arising from a sinus wihc erodes through the orbital wall
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Location of mucocele most to least common for sinuses
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frontal>ethmoidal>maxillary>sphenoid
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Treatment of mucocele (2)
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drainage of cyst-sinus
possible ablation of sinus |
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Characteristics of lacrimal gland cysts (dacryops)
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usually small and multiple
often visible in the superior-lateral fornix |
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Treatment for lacrimal gland cysts
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excision or marsupialization
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What are 3 causes of lacrimal gland infiltration?
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inflammatory (dacryoadenitis)
lymphoproliferative sarcoidosis |
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What is a pleomorphic adenoma?
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benign mixed cell tumor of the lacrimal gland
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What is the presentation of a pleomorphic adenoma? (3)
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slowly progressive
painless enlargement of lacrimal gland fossa contours bones without infiltration/destruction |
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What is the treatment for pleomorphic adenoma
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complete excision without open biopsy
high risk of recurrence if incomplete excision |
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What is a complication of pleomorphic adenoma?
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malignant mixed tumor (adenocarcinoma) of the lacrimal gland
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What is the treatment for malignant mixed tumor (adeno ca) of the lacrimal gland? (3)
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surgical excision
exenteration radiation |
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What is the presentation of adenoid cystic carcinoma of the lacrimal gland? (4)
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rapid onset <6mo
infiltrative mass bony destruction often painful (due to perineural invasion) |
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What is the appearance of adenoid cystic carcinoma of the lacrimal gland on pathology?
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swiss cheese
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Treatment for adenoid cystic carcinoma of the lacrimal gland? (3)
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open biopsy
follow with radical exenteration and radiation |
