Pathology: 5. Conjunctiva

Question 0

limbal dermoid, lipodermoid, ectopic lacrimal gland, episcleral osseous choristoma

Answer 0

four basic conjunctival choristomas

Question 1

goblet cells

Answer 1

major topographic distinction of conjunctival epithelium compared with cornea

Question 2

Goldenhar syndrome, linear nevus sebaceous syndrome

Answer 2

two syndromes with limbal dermoids and lipodermoids/dermolipomas

Question 3

capillary hemangioma

Answer 3

most common hamartoma of the conjunctiva

Question 4

viruses, atypical bacteria, toxins

Answer 4

three major causes of follicular conjunctivitis

Question 5

50%

Answer 5

sensitivity of immunofluorescence in OCP

Question 6

plasma cell

Answer 6

predominant cell type in OCP

Question 7

Verhoeff-van Gieson

Answer 7

pinguecula and pterygia feature elastotic degeneration, which will stain positive with this tissue stain

Question 8

vascularization, inflammation

Answer 8

two features of pterygia histologically absent in pingueculae

Question 9

pinguecula

Answer 9

lesion out of which OSSN typically arises

Question 10

OSSN

Answer 10

which of these is a clinical term, OSSN or CIN?

Question 11

immunosuppression, ozone-depleted areas

Answer 11

OSSN under these conditions tends to be more aggressive with intraocular invasion

Question 12

palpebral conjunctiva

Answer 12

least common location for conjunctival nevi

Question 13

ocular melanocytosis

Answer 13

blue nevus of the eye

Question 14

1:5

Answer 14

normal ratio of melanocytes to basal epithelial cells

Question 15

3

Answer 15

biopsy of PAM should be considered for lesions greater than this many clock hours due to a greater than 20% chance of malignancy

Question 16

MMC

Answer 16

only topical chemotherapy treatment that may be considered for PAM

Question 17

PAM without atypia

Answer 17

this is histologically identical to BAM, though unilateral

Question 18

lentigo maligna

Answer 18

this type of melanoma of the skin is often continuous with PAM with atypia

Question 19

15-30%

Answer 19

mortality rate of conjunctival melanoma

Question 20

PAM with atypia

Answer 20

conjunctival melanoma usually arises from this

Question 21

saline, formalin

Answer 21

suspected conjunctival lymphoma should be submitted in these two media

Question 22

radiation

Answer 22

mainstay of treatment for localized conjunctival lymphoma

Question 23

1/3

Answer 23

proportion of conjunctival lymphomas with systemic disease

Question 24

2/3

Answer 24

proportion of pretarsal lymphomas with systemic disease