Multiple Halo Nevi Induced by Intense Sun Exposure.

We present the case of a 38-year-old male who reported to our practice with multiple newly developed halos around 26 existing nevi on his trunk. The halo nevi developed after the patient, who lived in the northeast, spent 2 months on a lake in Alabama, with intense heat and sun exposure. This case is remarkable in that it points to ultraviolet exposure as one instigating factor in the development of halo nevi, the development of which is incompletely understood.

Ankle-Brachial Index Testing at the Time of Stress Testing in Patients Without Known Atherosclerosis.

Background: Individuals referred for stress testing to identify coronary artery disease may have nonobstructive atherosclerosis, which is not detected by stress tests. Identification of increased risk despite a negative stress test could inform prevention efforts. Abnormal ankle-brachial index (ABI) is associated with increased cardiovascular risk.