Pott Puffy Tumor
This case report describes a soft, warm, dome-shaped, erythematous, nontender nodule on the forehead.
JAMA Dermatology
Standardization of Lesion Classification and Assessment by Investigators in Clinical Trials for Hidradenitis Suppurativa – A Consensus Exercise Using a Modified Delphi Approach
Importance Accurate classification and reliability in assessment for lesions of hidradenitis suppurativa (HS) by investigators is critical to the determination of responder status and to overall data quality in clinical trials. Objective To establish consensus-based morphological definitions of HS lesions and guidance…
Hereditary Leukonychia Associated With GJA1 Mutation
This case report describes a woman in her 30s with porcelain-white discoloration of all nails, which persisted under pressure, and a GJA1 mutation.
Asymptomatic Irregular Pigmented Lesions of the Vulva
A 9-year-old girl presented with a 4-year history of asymptomatic, irregular pigmented lesions on the vulva and was initially diagnosed with a nevus.
Acne in Transmasculine Patients – A Scoping Review
Importance Compounded with barriers to care, stigmatization, lack of trust, and high rates of psychiatric comorbidities, transmasculine patients face a high psychosocial burden from acne. Acne is a common sequela of masculinizing hormone therapy, and understanding its epidemiology may improve care…
Broad-Spectrum Abnormal Localized Photosensitivity Syndrome
This case report describes a man in his 50s with broad-spectrum abnormal localized photosensitivity syndrome.
A Nonhealing Ulceration of the Hand
A woman in her 30s presented with a chronic, painful, nonhealing ulcer on her fifth finger that developed after trauma 1 year earlier. What is your diagnosis?
Dupilumab-Associated Ocular Surface Disease
This case report describes a man in his 30s who presented for evaluation of a 3-week history of irritation, redness, and photophobia in both eyes.
Evaluation of the Validity of International Classification of Diseases Codes for Dermatologic Conditions A Systematic Review
Importance Accurate classification of dermatologic conditions using International Classification of Diseases (ICD) codes is essential for research that uses large administrative datasets. Misclassification can be associated with biased epidemiologic estimates and misleading conclusions in population-based studies. Objective To systematically identify and evaluate validated…
Generalized Atrophic Papules and Acute Abdominal Pain
An adolescent female presented with 3 days of progressive abdominal pain and reported that a rash first appeared nearly 1 year earlier on her left wrist and gradually spread over several weeks. What is your diagnosis?
