CH 8 - Chemical Injuries / Poisonings

Question 1

What is the alternate name for lead poisoning?

What are 2 buzzterms assoc w it?

Answer 1

Plumbism

Radiopaque lead line in bone (In radiographs of the long bones in infants, a radiopaque lead line often is noted along the epiphyseal plates)

Burton line (bluish line along the marginal gingiva resulting from the action of bacterial hydrogen sulfide on lead in the gingival sulcus creating a precipitate of lead sulfide)

Question 2

What % of the population is allergic to gold?

Answer 2

10% (no wonder why you’ve seen irritation around PFMs/gold crowns)

Question 3

What is the term for the neurologic symptoms associated with mercury poisoning?

Answer 3

Erethism

Question 4

What is the term for chronic mercury exposure in children?

What are the two alternate names?

What are the 4 oral manifestations?

Answer 4

Acrodynia

Pink disease, Swift-Feer disease

Excessive salivation, bruxism, premature tooth loss, ulcerative gingivitis

Non-oral: desquamation of palms and soles, pulling out hair

Question 5

What can the symptoms of acrodynia overlap with?

What are 3 symptoms that overlap?

Answer 5

Kawasaki Disease

1. painful desquamating fingers and toes
2. Neurologic symptoms
3. HTN

For Kawasaki you’ll usually see red eyes and crusted lips too

Question 6

What is the term for chronic silver intoxication?

What are 3 signs? (esp the 2 oral manifestations)

Answer 6

argyria

1. diffuse grayish skin in sun exp areas
2. conjunctiva, skin, nail pigmentation
3. Early: SLATE BLUE SILVER line along gingival margins (ALMOST like burton line, but more subtle)
4. diffuse blue-black oral mucosa

Question 7

What are the two main, visble oral signs of bismuth toxicity?

Answer 7

1. blue-gray line along the gingiva similar to lead poisoning (like sliver too, eh)
2. black filiform papillae

Question 8

What is the most common manifestation of Arsnec poisoning?

What are 2 oral manifestations? (pretty goddam general)

Answer 8

Blackfoot disease (progressive arterial occlusion prog to dry gangrene)

Oral: excessive salivation (uh, like all metal poisonings) and NUS

Question 9

What is a rare, but buzzwordy term for slate blue discoloration of sun-exposed skin seen in gold intoxication?

Answer 9

Chrysiasis

Question 10

What is the alternate name for reactive osseous and chondromatous metaplasia?

(you had one on a recent fellowship quiz)

Answer 10

Cutright lesion

(In retrospect,the islands of cartilage within these cases most likely represent embryologic remnants, not traumatic metaplasia.)

Question 11

What is the term for when air enters the parotid duct, leading to enlargement of the parotid gland caused by air insufflation?

Answer 11

pneumoparotid

Question 12

How can you differentiate angioedema from cervicofacial emphysema?

(2 answers: one sound and one image)

Answer 12

1. the diagnosis can be made by identifying
   crepitus within the swelling
2. Hounsfield density scale on CT to confirm air pockets

Question 13

What is the buzzterm for mediastinal spread of cervicofacial emphysema that then causes crepitus on cardiac ascultation?

Answer 13

Hamman’s crunch

Question 14

What is the term for placement of topical antibiotic in a petrolatum base into a surgical site occasionally may result in a unique foreign body reaction?

Answer 14

myospherulosis

Question 15

What does myospehrulosis look like when being removed clinically?

Answer 15

black, greasy, tarlike material. Cool.

Question 16

What are the 2 histo buzzterms for myospherulosis?

Answer 16

The collections of spherules sometimes are surrounded by an outer membrane known as a PARENT BODY, forming structures that
resemble a “bag of marbles.”

Question 17

What immunization is critical following an electrical burn?

Answer 17

tetanus