Cornea 3 Flashcards
What is the most common cause of acute dacryoadenitis.
EBV
Which subgroup of adenovirus is highly associated with EKC?
Subgroup d
What are the 3 clinical categories for adenoviral conjunctivitis?
- Simple follicular conjunctivitis.
- Pharyngoconjunctival fever
- Epidemic keratoconjunctivitis
Does oral antiviral therapy reduce postherpetic neuralgia?
Yes, if given within 72 hours
Which HPV serotypes are more concerning for malignant transformation in the conjunctiva?
16,18; rare for 6, 11
For topical treatment of conjunctival squamous carcinoma what is the 1st line treatment of choice?
interferon-a2b
What is an oncocytoma?
It is a cystadenoma from ductal and acinar cells of the lacrimal or accessory lacrimal glands. May present at caruncle in older folks.
Conjunctival melanoma usually arises from what?
Pam (70%) then nevi (20%) then de novo (10%)
What is the difference between Peter’s I and Peter’s II anomoly? What is the inheritance pattern of Peter’s?
Type one is defined by iridocorneal touch and type two by lenticularcorneal touch. Peter’s is usually sporadic though it can be AR or AD.
What 2 syndromes are associated with blue sclera?
Osteogenesis imperfecta type 1, and ehlers-danlos type 6
What is the inheritance of axenfeld Reiger syndrome?
AD
What percentage of the general population have EBMD?
6-18%; think 10%
What layer of the cornea is Meesman’s localized to?
Epithelium
Keratoglobus is associated with what disorders?
Ehler’s Danlos VI and blue sclerae syndromes
What are prominent systemic features of tyrosinemia?
Hyperkeratotic lesions of the palms, soles, and elbows