Pathology Volume 2 Flashcards Preview

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Flashcards in Pathology Volume 2 Deck (28)
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1
Q

What muscle inserts on the globe at the macula?

A

Inferior oblique

2
Q

What is the most common histiopathologic fixative?

A

10% neutral buffered formalin

3
Q

What is formalin?

A

40% formaldehyde in water

4
Q

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

A

12 to 24 hours

5
Q

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

A

Paraffin

6
Q

What type of fixative is used for electron microscopy?

A

Glutaraldehyde

7
Q

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

A

Ethanol

8
Q

What type of fixative is used for immunofluorescence?

A

Michel fixative

9
Q

What type of fixative is used for muscle differentiation?

A

Zenker acetic fixative

10
Q

What type of stain is associated with cavemous optic atrophy?

A

Alcian blue

11
Q

What is Ziehi-Neasen stain used to detect?

A

Acid-fast organisms

12
Q

What is Thioflavin T stain used to detect?

A

Amyloid

13
Q

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

A

Verhoeff-van Gieson

14
Q

What stain is associated with band keratopathy?

A

von Kossa

15
Q

What is the most common location of goblet cells?

A

Fornices and plica semiluminaris

16
Q

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

A

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

17
Q

What is the most common location of dermolipoma?

A

Superotemporal quadrant

18
Q

What condition is associated with Horner-Trantas dots?

A

Vernal keratoconjunctivitis

19
Q

How does dermolipoma differ from dermoid histopathologically?

A

Dermolipoma lacks dermal adnexal structures

20
Q

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

A

Hemangioma

21
Q

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

A

Bacteria (e.g. Haemophilus influenza)

22
Q

What serotypes of chlamydia are associated with trachoma?

A

Serotypes A, B, and C

23
Q

What serotypes of chlamydia are associated with conjunctivitis?

A

Serotypes D through K

24
Q

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

A

Microsporidia

25
Q

Granulomatous inflammation of the conjunctiva without central necrosis

A

Think sarcoidosis

26
Q

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

A

Hereditary benign intraepithalial dyskeratosis

27
Q

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

A

HPV subtype 6

28
Q

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

A

HPV subtype 16