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Derm Dx

Ciara Grayson, MS; Adam Richardson, DO; and Karen Heidelberg, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 75-year-old African American woman presented to the clinic with a history of a slowly growing asymptomatic nodule on the right anterior scalp over a few months.
Jennifer Laborada, BS, Philip R. Cohen, MD
A 54-year-old woman presented for symptoms of itching. Cutaneous examination revealed urticarial dermal plaques on her neck, chest, back, arms, and legs. Incidentally, she was found to have prominent blue sclera.
Margaret M. Appiah, BS, Philip R. Cohen, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
Molly Buckland, DO, Nina Sabzevari, DO, Michael J. Visconti, DO, Ann A. LaFond, MD, David Fivenson, MD, Jessica Ghaferi, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
Parsia Vazirnia, Philip R. Cohen, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 63-year-old man presented for evaluation of a new asymptomatic lesion on his head. His past medical history was significant for renal cell carcinoma, diagnosed 15 years earlier, with subsequent treatment and no further evidence of residual disease.
David Ahn, MD, Nasir Aziz, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 67-year-old Ethiopian woman presented with a large black plaque surrounded by several smaller violaceous papules on her frontal hairline for 6 months. The largest plaque was tender and occasionally itchy. Surrounding this plaque were several smaller smooth, pigmented, round to annular papules. 
Pavan Paka, MD, Usha Alapati, MD, Viktoryia Kazlouskaya, MD, PhD
A 66-year-old African American man was referred for the initial evaluation of a solitary, scrotal mass that was present for 1 year. The 1.5 x 1-cm, pink, exophytic nodule was pedunculated and progressively enlarging. He described the mass as painless without pruritus, discharge, bleeding, or surrounding skin and testicular involvement.
Eric J. Vondrak, DO, Philip R. Cohen, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 73-year-old African American man presented with a dark keratotic plaque on the anterior surface of his ear. He also had white patches with central erythematous areas on his face and scalp that had been present for several year
Nadeem Marghoob, OMS IV, Ashfaq A. Marghoob, MD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 58-year-old male dermatologist was on a flight home to New York after a trip to Sardinia, Italy, when he began to develop chills. The following day, he experienced fevers up to 103 °F, drenching sweats, and uncontrollable rigors.
Michael J. Visconti, BS, Arjun M. Bashyam, BA, Steven R. Feldman, MD, PhD, Amor Khachemoune, MD, FAAD, FACMS, Section Editor
A 16-year-old adolescent boy presented with a 2-year history of an expanding, dark eruption involving the chest, abdomen, axilla, and upper extremities. There was no pruritus or other associated symptom.
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