Flashcards in Pathology Volume 2 Deck (28)
What muscle inserts on the globe at the macula?
What is the most common histiopathologic fixative?
10% neutral buffered formalin
What is formalin?
40% formaldehyde in water
How long do globes require fixation prior to processing for pathologic examination?
12 to 24 hours
What material mechanically stabilizes fixed tissues so that cutting of sections is possible?
What type of fixative is used for electron microscopy?
What type of fixative is used for urate crystals of gout?
What type of fixative is used for immunofluorescence?
What type of fixative is used for muscle differentiation?
Zenker acetic fixative
What type of stain is associated with cavemous optic atrophy?
What is Ziehi-Neasen stain used to detect?
What is Thioflavin T stain used to detect?
What stain is associated with the elastic layer of the temporal artery?
What stain is associated with band keratopathy?
What is the most common location of goblet cells?
Fornices and plica semiluminaris
What are the three types of cells found within the caruncle?
1.Sebaceous glands 2. Hair follicles 3.Accessory lacrimal glands
What is the most common location of dermolipoma?
What condition is associated with Horner-Trantas dots?
How does dermolipoma differ from dermoid histopathologically?
Dermolipoma lacks dermal adnexal structures
What is the most common type of hamartoma of the conjunctiva?
What is the most common type of organism causing conjunctivitis in children?
Bacteria (e.g. Haemophilus influenza)
What serotypes of chlamydia are associated with trachoma?
Serotypes A, B, and C
What serotypes of chlamydia are associated with conjunctivitis?
Serotypes D through K
What is a common cause of conjunctivitis in patients with AIDS?
Granulomatous inflammation of the conjunctiva without central necrosis
What condition is associated with bilateral limbal conjunctival plaques with similar findings of the oral mucosa?
Hereditary benign intraepithalial dyskeratosis
What subtype of HPV is associated with causing squamous conjunctival papilloma in children?
HPV subtype 6