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36 Cards in this Set
- Front
- Back
Blepharochalasis
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d/o of young women>men that causes intermittent inflammation of the eyelids and eventually leads to ptosis
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Most common cause of DCR failure
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obstrucion. usually of common canaliculus or ostomy site
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Dye disappearance test
Jones 1 Jones 2 |
FL instilled in the eye, note level of disappearance
FL instilled in the eye, cotton in the nose FL irrigated into the system, cotton in the nose |
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Where are the smaller orbital fat pads in the eyelids and where are the larger fat pads?
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Larger fat pads are central in UL and LL. UL has small medial fatpad (lacrimal glad occupies lateral aspect). LL has small lateral fatpad
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How many fat pads in the lids?
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UL: 2
LL: 2 vs 3 (IOM divides the cental and medial aspect of the main fatpad) |
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CO2 laser
1. what portion of the EM spectrum? 2. wavelength? |
1. infrared
2. 10.6um or 10600nm |
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What material fills the center of a keratoacanthoma?
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keratin
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Which are the only apocrine glads in the lids
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Moll
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Name the holocrine glads of the lids
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meibomian, zeis, goblet
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Which glads contribute to the mucous layer?
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goblet & moll
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Give the features of blepharophimosis syndrome
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blepharophyimosis, telecanthus, blepharoptosis, epicanthus inversus, AD
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retroblepharoplasty is used under what conditions?
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Lower lid only. If there is significant steatoblepharon without coexisting dermatochalasis
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Does lower lid steatoblepharon cause entropion?
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no
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adenoid cystic carcinoma
1. Histiologic findings 2. Tx |
1. Tubules, nests, & "swiss cheese pattern"
2. exenteration, chemo, rad Tx |
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What are Dutcher bodies
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intracellular Ig proliferation seen in Waldenstrom, and systemic lymphoma. Stains + with PAS
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skin findings in ataxia-telangiectasia?
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telangiectasias - thats all
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Incontinentia pigmenti
1. heredity 2. skin findings 3. CNS findings 4. ocular findings 5. systemic |
1. X linked dominant (mostly females)
2. normal at birth, develops erythema, bullae, verucous lesions, hyperpigmented macules "splashed paint" 3. Seizures, MR, skull deformity 4. peripheral retinal vascular pathology 5. dwarfism |
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Identify the three main causes of involutional entropion
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overriding preseptal orbicularis, disincertion of the lower eyelid retractors, horizontal lid laxity
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upper normal of exophthalmometry in:
1. White males 2. AA males |
1. 22
2. 25 |
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Ultrasound:
1. better resolution 2. better penetration |
1. higher freq
2. lower freq |
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Bacteria most likely to convert from pre to postseptal cellulitis
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HiB
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Name 3 craniosynostoses
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Crouzon's, Apert's, Pfeiffer's
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Orbital tumors that have increased intensity on T1 MRI
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Hemorrhage , mucous (mucocele), melanin (melanoma)
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Most common neoplasm to invade the orbit from the sinus
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SSC
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Optimal time to repair a nonentraped floor fracture
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7-14 days
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Coloboma of which lid is more commonly associated with other facial abnormalities?
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Lower lid. Upper lid coloboma tends to be isolated.
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Which is more efective in treatment of trichiasis, electrolysis or cryo?
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Cryo
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Which is more efective in treatment of trichiasis, electrolysis or cryo?
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Cryo
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Blood tests associated with Sjogrens
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ANA, anti-SS A & B
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Blood tests associated with PAN
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P-ANCA, hep B antigen
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Measurements of the orbit
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30 volume
35 vertical 40 horiz 45 depth |
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Older patient presents with eyelid lesion when Bx'd comes back small cell CA.
1. Dx? 2. spread? 3. Tx? 4. Prognosis |
1. Merkel Cell CA
2. lymphatics 3. Wide excision, XRT>chemo 4. 38% survival at 5 years |
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Middle aged woman has enophthalmos following flight.
1. Dx? 2. Cause |
1. Silent sinus syndrome
2. chronic sinusitis causing thinning of orbital floor |
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Target of Ig's in TAO?
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orbital fibroblasts
IGF-1R receptor |
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Midline lesion that looks like Wegener's but it's not, other w/u tests are negative too.
1. Dx? 2. Tx? |
1. leathal Midline Granuloma/ Idiopathic midline destructive Dz
2. XRT |
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Strabismus, precocious puberty & cafe au lait spot.
1. Dx 2. ocular association 3. Tx |
1. Albright's syndrome
2. Ossifying fibroma/fibrous disyplasia variant 3. surgical resection |