From the Journal

Photo Essay
Photo Essay
08/01/2026
Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP; Benjamin Barankin, MD, FRCPC; Joseph M. Lam, MD; Kin Fon Leong, MD
Maculopapular cutaneous mastocytosis (also known as urticaria pigmentosa) is the most common form of cutaneous mastocytosis and accounts for 70% to 90% of pediatric cases. Its incidence has been estimated...
08/01/2026
What's Your Diagnosis?
What's Your Diagnosis?
07/23/2026
Peyton Yee, BS; Olivia Cohen, MD, MSPH; Barrett J. Zlotoff, MD
A 21-year-old previously healthy woman presented to the emergency room with a progressive rash on her right leg and was found to be febrile and hypotensive.
07/23/2026
What's the Take Home?
What's the Take Home?
07/19/2026
Ronald N. Rubin, MD
A 76-year-old man reported right ear pain of more than 2 weeks’ duration that began while he was at the beach during the summer.
07/19/2026
Photoclinic
Photoclinic
07/03/2026
Kristin Olenchak, MS-IV; Sophia Echevarria, MD; Sophia Kershner, MS-IV; Zafar Qureshi, MD; Colin A. Wilkinson, MD, PhD; Syed A.A. Rizvi, MD, PhD, MPH
A 63-year-old man with a medical history of hypertension, type 2 diabetes mellitus, and hyperlipidemia presented with pruritus involving the palmar surface of the left hand following recent yard work. ...
07/03/2026
What's Your Diagnosis?
What's Your Diagnosis?
06/13/2026
Margaret Taing, BS; Andy Xiao, BS; Thiagarajan Nandhagopal, MD
A late-term newborn, born at 41 weeks and 1 day gestation to a 31-year-old G5P4 mother, developed erythematous nodules on the right shoulder on day 2 of life during routine inpatient evaluation.
06/13/2026
What's Your Diagnosis?
What's Your Diagnosis?
04/29/2026
Gracyn Allan, BS; Rachel Anderson, BS; Gelan Shamloul, DO; Thomas N. Helm, MD
A 19-year-old collegiate athlete presented with progressive darkening of the lips and oral mucosa beginning in the summer of 2022. The pigmentation, which began on her lips, extended over time to her...
04/29/2026
What's Your Diagnosis?
What's Your Diagnosis?
04/11/2026
Elen Deng, BS; Mary Helene; Bansri M. Patel, MD; Jeffrey Miller, MD; Thomas N. Helm, MD
A 68-year-old woman presented to the dermatology clinic with a 3-year history of purpuric nodules on the right lower extremity.
04/11/2026
Photoclinic
Photoclinic
03/23/2026
Kisa M. Seerveld, OMS II; Michelle L. Gallagher, DO
A 14-year-old girl presented to the dermatology clinic with hyperpigmented, depressed lesions on her bilateral upper extremities and trunk that had been present for 4 years, with more recent darkening. ...
03/23/2026
Photoclinic
Photoclinic
03/16/2026
Kiera Murphy, BS; Rachel K. Anderson, BS; Alyssa Egland, CPNP; Thomas N. Helm, MD
A 61-year-old man undergoing treatment for metastatic urothelial carcinoma of the bladder with pembrolizumab and enfortumab vedotin-ejfv presented with new-onset painful nodules on the bilateral arms, legs,...
03/16/2026
Photoclinic
Photoclinic
03/08/2026
Romina Garakani, BS; Zane Sejdiu, BS; Hannah Kahn, BS; Aspen Trautz, MD; Blake E. Brooks, MD, MS; Mary M. Braden, MD; Farhaan Hafeez, MD; Andrew C. Krakowski, MD
A 15-year-old adolescent girl with Fitzpatrick Skin Type III presented to dermatology with a 3-week history of tender, brownish-red, poorly demarcated, subcutaneous nodules on the bilateral anterior shins. ...
03/08/2026