Clin: Skin Changes

Question 1

What conditions present with a diffuse maculopapular rash?

Answer 1

Question 2

Measles:

Answer 2

• prodrome: 7-18 days after exposure; includes fever, cough, coryza, conjunctivitis, koplik spots
• rash: 3-4 days after prodrome onset; face –> down/out; lasts 3-5 days

Question 3

Rubella:

Answer 3

• Rash: duration 2-3 days, face–> down
• fetal malformation with congenital infection

Question 4

Parvovirus:

Answer 4

• Rash: slapped cheek, circumoral pallor
• S/s: little fever, pruritis, malaise, HA
• common cause of myocarditis in kids; transient aplastic crisis/pure RBC aplasia; premature labor/hydrops fetalis/fetal loss; can mimic SLE In middle age pt due to symmetric polyarthritis

Question 5

Lyme Disease:

Answer 5

S/s: rash, HA, stiff neck, arthraligias

Rash: bull’s eye, erythema migrans

Stage 1: erythema migrans within 1 wk of bite; viral like illness (myalgias, arthraligas, HA, fatigue, maybe fever)

Stage 2: early disseminated infection (wks to mo later); secondary skin lesins (sim to primary, but smaller); myopericarditis, heart block, neoro probs, conjunctivits…

Stage 3: late persisten infection (mo to yr later); arthritis, neuro probs, acrodermatitis chronicum atrophicans

Question 6

EBV:

Answer 6

Incubation period: 30-50 days

S/S: malaise, fever, sore throat, palatal petechiae, lymphadenopathy, splenomegaly, maculopapular rash (occassionally); transient b/l upper lid edema (Hoagland Sign)

Question 7

What conditions present with peripheral skin eruptions?

Answer 7

Question 8

Rocky Mountain Spotted Fever:

Answer 8

• Location: NC, SC, TN, OK, AR
• Incubation period: 2-14 days
• Rash: faint macule that grows in size, spread extremeties inward

Question 9

Syphilis:

Answer 9

secondary symphilis: diffuse, macular, papular, pustular rash

Question 10

What causes HFMD?

Answer 10

Coxasackievirus

Question 11

What causes desquamative skin changes?

Answer 11

Question 12

TSS

Answer 12

S/S: abrupt onset of fever, V, watery diarrhea; diffuse macular erythematous rash and non purlent conjunctivitis, desquamation

Question 13

Scarlet Fever

Answer 13

exudative pharyngitis, fever, scarlatiniform rash

Question 14

Erythema Multiforme

Answer 14

Question 15

Varicella

Answer 15

Rash: face –> trunk; lesions at diff stages

Question 16

Pemphigus

Answer 16

Rash: flaccid blister, pruritic, painful, spread to periphery

Question 17

What’s the classic triad of gonoccemia?

Answer 17

triad: dermatitis, migratory polyarthritis, tenosynovitis

Question 18

Answer 18

Question 19

What is the pentad of TTP?

Answer 19

Question 20

BCC

Answer 20

Question 21

SCC

Answer 21

Question 22

Which of the ABCDEs is most important?

Answer 22

color