General Flashcards
(456 cards)
What is the clinical triad for carotid-cavernous fistula?
- Chemosis
- Pulsatile exophthalmos
- Ocular bruit
What is the most common cause of unilateral or bilateral proptosis in young and middle aged patients?
Thyroid eye disease (TED)
How is CCF treated?
Balloon embolization of the internal carotid
What systemic symptoms are associated with TED?
Heart palpitation
Weight loss
Heat intolerance
Hair loss
What are the classic signs/symptoms of orbital cellulitis?
Exophthalmos Lid edema Pain/restrictions on eye movement Fever Decreased VA Conj injection and chemosis
What 3 meds can cause pseudotumor?
Tetracyclines
Accutane
Contraceptives
In CCF, on MRI and angio, what would suggest CCF?
Asymmetrically enlarged cavernous sinus, or superior ophthalmic vein
What tests can be run to evaluate for TED?
Orbital CT (EOM enlargement w/o tendon involvement) T3 and TSH testing (High T3, low TSH)
What other types of pathology can TED cause?
SLK
Exposure K
Optic neuropathy
Restrictive myopathy
How is optic neuropathy from TED treated?
Immediate oral steroids (Pred 100mg QD 2-14 days)
OR
Orbital decompression
What risk factor significantly increases the likelihood of ophthalmic findings in TED?
Smoking
What is the Tx for orbital cellulitis?
Hospitalization
IV ABx (ceftiraxone or nafcillin)
Followed by oral ABx (augmentin, ceclor, bactrim)
Topical bacitracin or erythromycin if conjunctivitis or exposure are present.
What causes molluscum contagiosum?
DNA pox virus
What ocular reaction does molluscum contagiosum cause?
Follicular conjunctivitis
What is the typical presentation of molluscum?
Waxy, dome-shaped papules with central umbilication
What is the classic presentation of seborrheic keratosis?
Elevated, “stuck-on”, crusty, greasy, or plaque like lesion
What is the typical age range for seborrheic keratosis?
Elderly
What is the typical presentation of a keratoacanthoma?
Small, dome-shaped tumor on sun exposed skin, the progress to large lesions with central ulceration
What causes papillomas?
HPV
Follicals are associated with what 3 things?
Viral
Chlamydia
Toxic
What is the classic presentation of basal cell carcinoma?
Firm, pearly nodule with superficial telangiectasia.
May progress to central ulceration “rodent ulcer”
What is the most common type of skin cancer?
Basal cell carcinoma
What is the 2nd most common type of skin cancer?
Squamous cell carcinoma
Which is more likely to metastasize: Basal cell or squamous cell?
Squamous cell