Derm Dx

DermDx: Itchy Rash on Shoulders, Trunk

A man living in a halfway home is referred for evaluation of an itchy rash on his shoulders and trunk. What is the likely diagnosis?

DermDx: Itchy Rash on Back

A 34-year-old man is referred for treatment of a persistent eruption on his chest and back that was treated with oral doxycycline, minocycline, and ampicillin without success. Can you make the diagnosis?

DermDx: Thinning Hair in Woman

A 58-year-old Black woman was referred to the dermatology clinic for evaluation of thinning hair. Can you make the diagnosis?

DermDx: Nonitchy Facial Rash

An 8-year-old boy suddenly develops a nonitchy facial rash. During the initial teledermatology consultation, it was learned that the eruption first appeared 3 days earlier. What is the most likely diagnosis?

DermDx: Scalp Lesions With Drainage and Lymphadenopathy

A 2-year-old boy presents to a health center after a recent emergency department (ED) visit for evaluation of persistent scalp lesions. On physical examination, the scalp lesions have visible drainage with honey-colored crusting, hair loss, and lymphadenopathy. Can you make the correct diagnosis?

DermDx: Crusted Papules and Scarring on Scalp

A 27-year-old Black man presents with a 5-year history of a scalp condition that has steadily progressed in severity. Can you make the diagnosis?

DermDx: Facial Growth in Older Man With Sun Damage

A 69-year-old man presents with a facial growth that has been present for approximately 18 months and has not bled or caused other discomfort. What is your diagnosis?

DermDx: Raised Lesion on Back

A 50-year-old Hispanic man is referred for evaluation of a raised, darkened area on his upper back. He states that the site was first noted approximately 6 months ago and has rapidly enlarged. Can you diagnose this case?

DermDx: Expanding Raised Rash

A 9-year-old boy is currently being treated for severe eczema with dupilumab injections and topical steroids and develops a new rash. What is the most likely diagnosis?

DermDx: Flat Lesions on Hands

A 63-year-old man is referred for diagnosis and treatment of lesions on both hands and wrists, which were first noted several weeks ago and have been increasing in number. What is the most likely diagnosis?