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Eyelids
Exam I AOD
85
Pathology
Undergraduate 2
09/10/2011

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Cards

Term
What makes up the subcutaneous areola tissue?
Definition
loose ct and a little fat
Term
What nerve innervates the orbicularis oculi?
Definition
CN VII
Term
What glands transverse the orbicularis oculi?
Definition
Meibomian and moll glands
Term
What is in the sub muscular areolar tissue?
Definition
the nerves and vascular supple
Term
What are the two parts of the fibrous layer?
Definition
tarsal plate and the septum orbital
Term
What innervates the muller muscle?
Definition
sympathetic system.
Term
What does the conjunctiva adhere to?
Definition
palpebral surface (tarsal plate)
Term
What are the functions of the lid?
Definition
protect eye, regulate light, spread tears, contribute to drainage, elimiate strange particles through blinks.
Term
What gland is sebaceous and in tarsi?
Definition
meibomian
Term
What gland attaches directly to the follicules of the eyelashes?
Definition
zeiss
Term
What glands are modified sweat glands located in the eyelashes?
Definition
Moll
Term
What is a complete or partial absence of the eyelid called/
Definition
Ablepharon
Term
What is it called when there is an abnormally short vertical dimension of the lid?
Definition
microblepharon
Term
What is a notching in the lid margin called?
Definition
Coloboma
Term
What is it called when the skin passes continuously from the brow over the eye to the cheek with no palpebral fissure?
Definition
cryptophthalmos
Term
What is a redundant fold of skin in the medial canthal area
Definition
epicanthus
Term
What is an adhesion of the lid margin?
Definition
Ankyloblepharon
Term
What is an asymmetic decrease in size of the palpebral fissure?
Definition
blepharophimosis
Term
What is an opposite direction epicanthus?
Definition
epicanthus inversus
Term
What is the widening of intercanthal distance?
Definition
Telecanthus
Term
What is an accessory fold of skin which runs horizontally quite close to the cilliary margin?
Definition
epiblepharon
Term
What is it called when there is another row of cilia or eyelashes?
Definition
distichiasis
Term
What is a round or oval lesion in superior nasal or temporal quadrants?
Definition
dermoid cyst
Term
What is the drooping of the upper lid called?
Definition
blepharoptosis
Term
What is it called when the lid adheres to the globe?
Definition
symblepharon
Term
What is it called when the skin of the eyelids is very thin and folds over itself in young patients?
Definition
Blepharochalasis
Term
What is it called when you have excessive upper lid skin usually is the result of involutional changes in older patients
Definition
Dermatochalasis
Term
What is it called when someone blinks at a grater rate than normal
Definition
blepharoclonus
Term
What is the normal rate of blinking?
Definition
20-30/ min
Term
What is it called when you eyelashes fall out?
Definition
Alopecia
Term
When the lashes aer turned in toward the globe
Definition
trichasis
Term
What is the loss of pigment in the cilia called?
Definition
poliosis
Term
What is blood into the loose aerolar tissue of the eyelids wit the resulting disconloration of the skin
Definition
Ecchimosis
Term
Minute hemmorrhages into the skin and mucous membrane
Definition
petechiae
Term
The forcible closure of the lids that might last for seconds or days, usually concequence of photophobia
Definition
blepharospasm (tic)
Term
Extensive benign neavus involving the conjunctive, caruncle and eyelid. Partial loss of lashes
Definition
madarosis
Term
What virus causes keratoconjunctivitis?
Definition
adenovirus
Term
What causes epidemic of acute hemorrhagic conjunctivitis
Definition
picoornavirus
Term
What does herpes simplex type I affect?
Definition
Lesions of the extragenital tissues including the eye
Term
What does herpes simplex type II affect?
Definition
Lesions of the genitourinary tract
Term
What nerve does Herpes zoster follow?
Definition
Nasociliary nerve of the trigeminal (V)
Term
What is moluscum contagiosum?
Definition
pox virus that is tranmitted by close bodily contact. Ocular involvement can be present at or near the margin. usually affects kids and teenagers.
Term
What glands does and external hordeolum affect?
Definition
zeiss or moll. Stye. Itchign pain. inflammation of the follicles of an eyelash
Term
What is an acute inflammation of the meibomian gland or an acute infection of a chalzion called?
Definition
internal hordeolum.
Term
What is the most common cause of both internal and external hordeolums?
Definition
Staph. Aureus.
Term
What is a chronic inflammatory granuloma of one of the meibomian glands placed in the tarsal plate?
Definition
chalazion
Term
What is a passive blocage of the meibomian glands that occurs in a middle aged ppl and cl wearers?
Definition
meibomianitis
Term
What is an inflammatory condition of the eylid margin that is often bilateral?
Definition
blepharitis
Term
What causes blepharitis?
Definition
staphilococcal infection.
Term
What are the four types of blepharitis?
Definition
Squamous (dandruff), seborrheic, ulcerative, allergic
Term
Pediculosis
Definition
blepharitis with crab louses in lashes. Usually unilateral.
Term
What are the symptoms and treatments of blepharitis?
Definition
reddening, sever itching, edema, irritation a shiny look of lid margin, no scales. Rapid onset. Caused by eye drops and makeup. Treated with cold compress, steroids, and eliminate the cause.
Term
What causes contact dermatitis?
Definition
cosmetics, ophthalmic drugs, perfumres, vegetal and animal products, clothing, jewelry, chemicals, metals. The lids look red and are dry and scaly
Term
What are the symptoms of allergic edema?
Definition
swelling, pale skin, cool skin, painless, usually unilateral.
Term
What is characterized by red patches, silvery scales ?
Definition
psoriasis
Term
What is the inward turnig of the lid?
Definition
entropion
Term
What causes acquired entropion?
Definition
due to loss of global support of the eylid, following orbital fractures or with micropthalmous a nophthalmous or enophthalmos
Term
What does cicatrial result from?
Definition
conjunctival or tarsal cictrizacion secondary to trauma, burns, trachoma or surgical procedures.
Term
What can congenital ectropion caused by?
Definition
Can be involved with upper or lower lid. May be due to a vertical skin deficiency or by excessive horizontal eyelid length. Ususally corrected surgically
Term
What causes atonic involuntional ectopions?
Definition
excessive horizontal eyelid length and weakness of the pretarsal portion of the orbicularis muscle and medial and lateral canthal ligaments
Term
What does a paralytic ectropion come from?
Definition
injury or palsy of the seventh cranial nerve
Term
Cicatrical ectopion
Definition
caused by bums, injury and can involve upper or lower lidsa dn results in scar formation
Term
Mechanical ectopion
Definition
caused by heavy eyelid tumors or by displacement of the eyelid tissue secondary to unrepaired orbital fractures
Term
Allergic ectopion
Definition
most often secondary to a contact dermatitis and is alleviated by eliminination of offending irritant.
Term
Dermatochalasis
Definition
excessive upper lid skin usually due to involutional changes nvolving the skin in older patients.
Term
Keratosis
Definition
rough crusty or scaley appearance of the eyelids due to aging and sun exposure
Term
What is the most common benign tumor growth on the eyelid? and its cause?
Definition
Papilloma. It is viral in origen and is epithelial tumor
Term
What is it called if keratin buids up on the surface of squamous papilloma?
Definition
Cutaneous Horn - 25% of them develop into a malignant squamous cell carcinoma.
Term
What are small white nodules below the epidermis due to retention of the secretion of sebaceous gland?
Definition
Milia
Term
Yellow plaque most commonly found in the upper and lower lids near the inner canthus in elderly women and sometimes associated with diabetes or cholesterol levels. May be idiopathic or associated with hyperlipidemia.
Definition
xantelasma
Term
Benign pigmentation that can occur anywhere on the body. Should be monitored for change in size, shape, color and vascularization
Definition
nevus
Term
red or port wine spots
Definition
telangiectases hemangioma
Term
what consists of dilated and anastomosing vascular spaces lying in the subcutaneous tissue (can involute spontaneously)
Definition
bavernous hemangioma
Term
What is a yellowish white lump in the skin and has a central occluded punctim also a blockage at the lidmargin in the duct of zeiss glands
Definition
cebaceous cyst
Term
What type of cyst is filled with clear fluid and watery due to a blockage of the duct from the moll glands?
Definition
sudorierous
Term
What type of tumor derived rom epithelial tissue and is composed primarily of epithelial cells which may be benign or malign
Definition
Epithelioma
Term
What benign eyelid tumor is of viral origen and occurs in the lid margin? (wart)
Definition
verruccae
Term
What is a rapidly growing dome shape lesion wit a central core of keratin, most commonly seen in on the lower lid
Definition
Kertocanthoma
Term
What is the most common malignancy of the lid?
Definition
Basal cell carcioma
Term
Where is basal cell carcinoma usually found
Definition
usually in the lower lid or at the medial canthus. It spreads slowly in all directions te skin and penetrating deeply. Treated by surgery, radiotherapy or cryotherapy
Term
What is the most common metastizing tumor of the lids?
Definition
Still less frequent than benign. Squamous cell carcinoma
Term
What is carcinoma of the meibomian gland called?
Definition
sebaceous gland carcinoma. May resemble genign inflammation
Term
What presents as an irregular flat brown variabley pigmented patch
Definition
lentigo malignant
Term
What are the two types of malignant pigmented lesions?
Definition
Lentigo malignant and malignant melanoma
Term
What are the 9 warning signs of possible malignant changes?
Definition
vascularization, moderate to rapid increased in size or relief, infiltrated shapes and growth, changes in color, present lymph notdes in region, tumor type, located in transition tissue, satellite lesions, ulceration or hemorrhage.
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