A 28-year-old woman presents with a one-week history of a slightly raised erythematous lesion on her chest. She has been experiencing fatigue and joint pain since taking a walk through the woods in eastern Massachusetts earlier this month. She is 33-weeks pregnant and is otherwise well. An enzyme-linked immunosorbent assay (ELISA) test comes back negative for Lyme antibodies.
Find the answer, discuss this case, and more on Figure 1.
Explore cases, quiz yourself, and solve medical mysteries along with thousands of other medical professionals around the world on Figure 1, the free app where doctors expand their clinical knowledge.