1. 70yo M dies in a motor vehicle collision. Was undergoing evaluation for occult blood in the stool. Photo of transverse colon shown. Dx?

Tubular adenoma

2.

38yo M with 1-week hx of watery, itchy eyes and a runny nose. Physical shows inflamed nasal mucosa. No congestion in lower lung. Pharmacotherapy?

Loratadine

3. 16yo girl with 3-day hx of fever, nonproductive cough, and fatigue. T 38.3, P 88/min, BP 102-70. PE shows pale conjunctivae. CXR shows bilateral interstitial infiltrates. Blood spontaenously agglutinates while awaiting transport to the laboratory. Antibody isotypes causing agglutination?

IgM

4. 24yo M with small tender blisters on his penis 3 days after unprotected sex. Photograph shown. Causal agent?

Herpes simplex virus type 2

5.

42yo F with 3-year hx of an intermittent facial rash, including the forehead, eyelids, nose, and cheeks. Rash seems to be getting worse since she moved from New York to Florida last year. Spicy foods precipitate a flushing reaction that seems to exacerbate the rash. PE shows erythema over the nose and cheeks, with scattered telangiectasias and a few papules. Dx?

Rosacea

6.

53yo M returned from Africa, has fever, headache, and abdominal discomfort. Received appropriate vaccinations prior to the trip. T 39.4C. A wright-stained peripheral smear shown. Dx?