Pathology Volume 2 Flashcards Preview

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Flashcards in Pathology Volume 2 Deck (28):
1

What muscle inserts on the globe at the macula?

Inferior oblique

2

What is the most common histiopathologic fixative?

10% neutral buffered formalin

3

What is formalin?

40% formaldehyde in water

4

How long do globes require fixation prior to processing for pathologic examination?

12 to 24 hours

5

What material mechanically stabilizes fixed tissues so that cutting of sections is possible?

Paraffin

6

What type of fixative is used for electron microscopy?

Glutaraldehyde

7

What type of fixative is used for urate crystals of gout?

Ethanol

8

What type of fixative is used for immunofluorescence?

Michel fixative

9

What type of fixative is used for muscle differentiation?

Zenker acetic fixative

10

What type of stain is associated with cavemous optic atrophy?

Alcian blue

11

What is Ziehi-Neasen stain used to detect?

Acid-fast organisms

12

What is Thioflavin T stain used to detect?

Amyloid

13

What stain is associated with the elastic layer of the temporal artery?

Verhoeff-van Gieson

14

What stain is associated with band keratopathy?

von Kossa

15

What is the most common location of goblet cells?

Fornices and plica semiluminaris

16

What are the three types of cells found within the caruncle?

1.Sebaceous glands 2. Hair follicles 3.Accessory lacrimal glands

17

What is the most common location of dermolipoma?

Superotemporal quadrant

18

What condition is associated with Horner-Trantas dots?

Vernal keratoconjunctivitis

19

How does dermolipoma differ from dermoid histopathologically?

Dermolipoma lacks dermal adnexal structures

20

What is the most common type of hamartoma of the conjunctiva?

Hemangioma

21

What is the most common type of organism causing conjunctivitis in children?

Bacteria (e.g. Haemophilus influenza)

22

What serotypes of chlamydia are associated with trachoma?

Serotypes A, B, and C

23

What serotypes of chlamydia are associated with conjunctivitis?

Serotypes D through K

24

What is a common cause of conjunctivitis in patients with AIDS?

Microsporidia

25

Granulomatous inflammation of the conjunctiva without central necrosis

Think sarcoidosis

26

What condition is associated with bilateral limbal conjunctival plaques with similar findings of the oral mucosa?

Hereditary benign intraepithalial dyskeratosis

27

What subtype of HPV is associated with causing squamous conjunctival papilloma in children?

HPV subtype 6

28

What subtype of HPV is associated with causing squamous conjunctival papilloma in adults?

HPV subtype 16