DermDx: Red Nodule on Shoulder

A 59-year-old man presents for evaluation of a growth on his right shoulder. He states that the lesion has been present for at least 5 years but has significantly increased in size over the past 6 months. What is the most likely diagnosis?

OrthoDx: Bilateral Frostbite on Toes

A 58-year-old man with diabetes was admitted to the hospital 2 days earlier with frostbite injuries to both feet. What is the next step in treatment for this patient?

DermDx: Dark Skin Patches

A 34-year-old African woman is referred for evaluation of pigmentary changes affecting her face. She has been applying a skin lightening cream to dark areas on her cheeks for approximately 1 year. What is your diagnosis?

DermDx: Deformed Nails in Teen

A 16-year-old boy presents to the clinic with concerns about changes to his nails that were first noted several weeks ago. Can you make the diagnosis?

Itchy Rash After COVID-19

A 54-year-old woman with a history of depression presents with a 1-year history of a rash that developed all over her body soon after a hospitalization for COVID-19. Can you make the diagnosis?

DermDx: Pink Papule on Nose

A 79-year-old man with a history of both basal cell carcinoma and squamous cell carcinoma presents with a slow-growing lesion on his nose, which he notes has been growing for 10 years. Can you make the diagnosis?

DermDx: Red Papules on Foot After Skiing

A 40-year-old man presents with a complaint of intermittent burning on his feet. The patient notes that the condition has waxed and waned in intensity over the past 3 years and only occurs in colder months. Can you diagnose the condition?

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