News
An asymptomatic reddish-brown plaque in a healthy adult man
A healthy 36-year-old white male with no significant past medical history presented with an asymptomatic reddish-brown plaque on his left abdomen...
Article
An 89-year-old woman presented with an ulceration overlying a cardiac pacemaker
An 89-year-old, well-appearing woman presented with a 1-week history of tenderness and ulceration overlying a cardiac pacemaker.
News
A 72-year-old white male with a history of psoriatic arthritis presented with a 1-year history of multiple, intermittently pruritic papules on his face and trunk
A male with a history of psoriatic arthritis presented with a 1-year history of multiple, intermittently pruritic papules on his face and trunk...
News
A 60-year-old white male presented with a painful nodule on the right lateral thigh that had been present for years
A 60-year-old man with a painful nodule on the right lateral thigh that had been present for years.
Opinion
A 13-month-old, healthy black male presented with a 6-month history of dry, scaly skin on the body
A 13-month-old, healthy black male presented with a 6-month history of dry, scaly skin on the body.
Opinion
A 60-year-old white woman presented with a 3-month history of a painful, nonhealing ulceration on her left lateral lower leg
Although the exact cause is unclear, systemic diseases, such as hypercoagulable states, may predispose vessels to develop occlusion.
Quiz
A 63-year-old white female presented with a 2-week history of hemorrhagic purpuric lesions and necrotic vesicles on the bilateral lower extremities.
A 63-year-old woman presented with hemorrhagic purpuric lesions and necrotic vesicles on her lower extremities, with joint swelling and ankle pain...
Quiz
A 77-year-old white male with a history of multiple nonmelanoma skin cancers as well as melanoma presented with an asymptomatic pink plaque on the vertex of the scalp.
A 77-year-old white male with a history of multiple nonmelanoma and melanoma skin cancers presented with an asymptomatic pink plaque on his scalp...
Opinion
November 2018
A healthy 70-year-old white male presented with a verrucous lesion on his left nose for several months.
Opinion
October 2018
After a camping trip, a woman develops intensely pruritic erythematous papules and vesicles on her arms and hands.
Article
Make The Diagnosis - September 2018
A 75-year-old man presented with asymptomatic annular plaques on both arms, thighs, abdomen, and buttocks, present for several months.
News
Make The Diagnosis - August 2018
A 28-year-old white female with no significant past medical history presents with a 10-year history of asymptomatic erythematous papules and scaly...
Opinion
Make the Diagnosis - June 2018
A 38-year-old woman presents with numerous cystic nodules on her trunk, buttocks, and upper extremities. What’s the diagnosis?
Opinion
Make the Diagnosis - May 2018
A preschooler developed a lacy, reticular eruption on the abdomen and legs, a few days after a mild fever and red cheeks.
Opinion
Make The Diagnosis - April 2018
A healthy 70-year-old white male presented with an 8-day history of fatigue and a tingling, erythematous plaque with crusting on the left flank....