Dermatology

Self-treatment has done nothing to slow the progress of this lesion which the patient thought might be an insect bite at first. Your Dx?

Here are key clues: an intensely pruritic rash on the lower legs that developed within hours after the patient walked through a grassy field near a lake.

An up-close look and a short lesson on each of 7 dermatologic lumps and bumps. Would any of them give you cause for alarm?

A 13-year-old is teased at school because of several coin-sized shiny spots that have appeared on both shins and will not heal. Dx?

After a few days at play on the beach, young brothers present with similar erythematous eruptions on their abdomens. Can you Dx?

Can you identify these 4 lesions seen in a primary care setting? Should biopsy be performed on any? All? Test your visual diagnostic skills.

Three men over age 50 years, three different lesions: which would concern you?

Can you identify the cause of the hyperpigmented umbilicated lesions seen bilaterally on the patient's extremities and on her back?

Test your knowledge of the products of climate change and the health effects they may have.

Increases in diabetes, insomnia, and skin cancer are just 3 of the hazardous trends identified in recent research. More findings in our slide show.

Take this quick quiz, based on Dr Jon Schneider’s popular case reports, to test your knowledge of a common teenage plague.

Disfiguring lesions are the telltale sign of this skin condition. Take this quick quiz to test your knowledge.

The signs are everywhere. See if you recognize these 5 skin eruptions often seen when man gets back to nature.

Disfiguring skin signs were seen in all 3 children, but not their parents. Take this quick quiz to test your knowledge of the “fish scale disease.”

We give you 6 cases with a photo, presenting details, and a differential. Now, what's your Dx?

Test your knowledge of recent approvals that are significant for primary care.

On a tropical vacation, a woman develops a severe pruritic rash after being bitten on the hand by an insect. Can you name the bug?

Click through this slide summary for a look at some of the more significant approvals so far for primary care.

Find out what you've learned after reading this month's Special Report articles on nonmelanoma lesions you may see in primary care practice.

The solitary, keratotic lesion has grown quickly over one month. Infection? Neoplasia? What else is in your differential diagnosis?

Actinic keratosis and squamous cell carcinoma often are clinically indistinguishable. Get tips on what to look for and how to treat.

An 82-year-old woman presents for evaluation of an ear lesion--and receives a complete skin exam. Can you identify the 3 other lesions found?

What is this 6-mm shiny nodule on the face of a fair-skinned woman with moderate-to-severe photo damage?

Primary care physicians will see many patients with early signs of nonmelanoma skin cancers. Test your visual diagnostic skills in this series.

Look closely at this eruption and consider its distribution. Is the dermatology clinic seeing a "textbook" case here? What's your diagnosis?