
The FDA has approved baricitinib for adolescents aged 12 and older with severe alopecia areata, marking the first systemic oral therapy cleared for this population.
No labs, no biopsies, no imaging -- only your seasoned clinical judgement is required to make a diagnosis in this case.
No labs, no biopsies . . . you can make this Doorway Diagnosis just by looking.
Pictured is the posterior right knee of a 69-year-old woman showing a rounded protuberance at the popliteal fossa.
Based on what you see, what is your diagnosis?





