The Latest in Photo Challenge

Spreading Ulcerations and Lymphadenopathy in a Traveler Returning from Costa Rica

February 6, 2026

Infectious Diseases

Crusted Lesion at the Implantation Site of a Pacemaker

February 6, 2026

Mixed Topics

Nonhealing Lesion on the Ear in a Child

January 27, 2026

Pediatrics

Progressive Dystrophy of the Fingernails and Toenails

January 7, 2026

Hair & Nails

Cobblestonelike Papules on the Neck

December 17, 2025

Mixed Topics

Alopecia and Pruritic Rash on the Forehead and Scalp

December 12, 2025

Hair & Nails

Solitary Yellow Papule on the Upper Back in an Infant

November 25, 2025

Pediatrics

Reticulated Hyperpigmentation on the Knee and Thigh

November 17, 2025

Mixed Topics

Flesh-Colored Lesion on the Ear

November 3, 2025

Mixed Topics

Longitudinal Erythronychia Manifesting With Pain and Cold Sensitivity

October 20, 2025

Hair & Nails

Tender Nodule on the Umbilicus

October 1, 2025

Mixed Topics

Diffuse Pruritic Keratotic Papules

September 26, 2025

Mixed Topics

Painful Edematous Labial Erosions

September 12, 2025

Infectious Diseases

Generalized Erythematous Plaques and Pustules in a Pregnant Patient

August 27, 2025

Mixed Topics

Painless Nodule on the Lower Eyelid

August 11, 2025

Mixed Topics