Chapter 5 Bacterial infections Lecture #2

Question 1

What is a hole in the palate caused by?

Answer 1

• Gumma (tertiary syphilis) (its a type of necrosis)
• Cocaine
• Natural killer T cell lymphoma
• Deep fungal infections

Question 2

What is hutchinsons triad?

Answer 2

• Hutchinson’s incisors
• Ocular interstitial keratitis
• 8th nerve deafness

Question 3

What is a chancre?

Answer 3

-Primary syphilis (painless ulceration/sight of inoculation)

Question 4

What is hutchison’s triad associated with?

Answer 4

-Congenital syphilis

Question 5

What bug causes gonorrhea?

Answer 5

-Neisseria gonnorhoeae

Question 6

What is the most common reportable infectious disease in the U.S.?

Answer 6

-Gonorrhea

Question 7

What is TB of the skin known as?

Answer 7

-Lupus vulgaris

Question 8

What is scrofula?

Answer 8

-Form of myobacterial infections caused by drinking contaminated milk (appears as enlarged cervical lymph node)

Question 9

T/F Oral manifestations of TB ulcers are painless

Answer 9

True

Question 10

What is the histologic clue to run a TB test?

Answer 10

-Caseating granulomatous inflammation

Question 11

If your have oral TB do you have disseminated TB?

Answer 11

-Yes

Question 12

What are the two areas in the in the US that you find leprosy?

Answer 12

• Louisiana

- Texas

Question 13

What is the natural host for mycobacterium leprae?

Answer 13

-9 banded armadillo

Question 14

What are some features of someone who has leprosy?

Answer 14

• Leonine facies (facial skin enlargements)

- Pathognomonic (collapse of bridge of nose)

Question 15

What is a patient at risk of getting post measles?

Answer 15

-NOMA

Question 16

What precedes development of NOMA?

Answer 16

-Measles

Question 17

What does NOMA begin as?

Answer 17

-NUG

Question 18

What is NOMA?

Answer 18

-Zones of necrosis that develop in the gingiva and then spread (usually unilateral)

Question 19

How do you treat NOMA?

Answer 19

• Debridement of gross necrotic areas

- If untreated it can be deadly

Question 20

What bug causes Actinomycosis?

Answer 20

-Actinomyces israelii

Question 21

Where do you see Actinomycosis?

Answer 21

-Most in the cervicofacial region

Question 22

What is the treatment for actinomycosis?

Answer 22

-Long-term high dose antibiotics

Question 23

What are sulfur granules assocaited with?

Answer 23

-Actinomyces

Question 24

What bug causes Cat-Scratch disease?

Answer 24

-Bartonella henselae

Question 25

Where does cat-scratch disease begin?

Answer 25

-Skin then spreads to adjacent lymph nodes

Question 26

What is the most common cause of chronic regional lymphadenopathy in children?

Answer 26

-Cat-scratch disease

Question 27

How do you diagnose cat scratch disease?

Answer 27

-Serologic tests

Question 28

What are the most common predisposing factors of sinusitis?

Answer 28

• Allergic rhinitis

- Upper respiratory tract viral infection

Question 29

In chronic sinusitis calcification can occur and is known as what?

Answer 29

-Antrolith

Question 30

If a person comes in with a toothache that is worse when they are upright but goes away when they are laying down what should you think?

Answer 30

-Sinusitis

Question 31

What is the radiographic appearance of sinusitis?

Answer 31

-Cloudy with increased density