Wk 4 Tissue Parasites: Dead giveaways

Question 1

Measles:
Essential symptoms
Dx steps

Answer 1

Essential symptoms: Koplik’s spots, rash spreading from trunk to extremities, conjunctivitis

Dx steps: IgM antibodies present, diagnostic in unvaccinated individual.

Question 2

Shingles:
Essential symptoms
Dx steps
Tx

Answer 2

Essential symptoms: burning preceding vesicular rash along one dermatome

Dx steps: immunofloresence

Tx: acyclovir

Question 3

Ulcerative lesions present on extremities. Hx of travel to South America. H&E stain shows parasites present intracellularily with unusual dark staining in intracellular vesicles

Dx?

Answer 3

Lieschmaniais

Question 4

Immigrant pt presents 1 mo post op after receiving heart transplant with erythema, fiver, and chills. EDTA stain showed extracellular trypanosome

Dx?

Answer 4

Chagas’ disease

Question 5

Patient presents with today history of blindness in one eye. The patient is 45 years old and is an immigrant from South America , the patient has a history of 30 years ago blindness in the same eye. She reports that she was told she had some kind of parasite. History is remarkable for living with many cats during childhood.

Dx?

Answer 5

Toxoplasmosis