Figure 1 Quiz of the Week A 58-year-old woman presents two days after a cardiac catheterization with malaise, fatigue, and new violaceous livedoid lesions on her feet. She is also found to have mild acute renal dysfunction.   Image credit: @hfehmi.   Answer: Cholesterol embolization syndrome When small particles of atheroma embolize during a vascular…

Figure 1 Quiz of the Week A 70-year-old male with a history of hypertension presents with a fever and severe pain in both his hands. Examination reveals swollen, erythematous, and tender nodules on the joints of his fingers. Arthrocentesis demonstrates negatively birefringent urate crystals in the synovial fluid.    Image credit: @drugpiter, @twcc.   Answer: Precocious…

With 30 test dates to choose from (in 2018), it can be easy to put the decision of when to take the MCAT on the back-burner. But in reality, choosing when to take the MCAT is a very important choice. Think about it like this: lots of longer-term decisions—like when to schedule your test prep—depend…

Figure 1 Quiz of the Week A 45-year-old female presents with painful lesions on her lower limbs and ears. She is a smoker, and has a history of recreational drug use. Purpuric, necrotic lesions are noted on both lower extremities, in addition to tender purpura on both ears. A biopsy is performed which demonstrates leukocytoclastic…

Figure 1 Quiz of the Week A 45-year-old female presents with painful lesions on her lower limbs and ears. She is a smoker, and has a history of recreational drug use. Purpuric, necrotic lesions are noted on both lower extremities, in addition to tender purpura on both ears. A biopsy is performed which demonstrates leukocytoclastic…

Figure 1 Quiz of the Week A five-year-old male with a four-day history of fever presents with a new erythematous rash. His mother says he has been coughing and sneezing for the past few days. Examination reveals conjunctivitis, grayish elevations on the buccal mucosa opposite his molar teeth, and a maculopapular rash on his trunk…