Constant itching and frequent scratching of a slight rash lead to a recalcitrant depigmented lesion that defies diagnosis.

Despite numerous therapeutic attempts, the rash continued to spread, involving more and more of the patient's groin.

Despite having a risk factor for skin cancer, this woman waited 5 years before having the cyst on her arm evaluated by a clinician.

The daughter of a woman with psoriasis vulgaris develops an alarming rash after exposure to several possible aggravating factors.

This common skin disorder can be managed with simple hygiene practices and OTC products. Parental education is the most valuable tool.

This patient had chronic conditions she managed with a combination of clinical and self treatments. Is one of them perpetuating her rash?

Choosing the appropriate biopsy—and getting the patient to agree to it—are crucial for diagnosing a facial lesion.

A 16-year-old boy came to the dermatology clinic seeking evaluation of a lesion on his knee. Alarmed at the lesion's changing appearance and increase in size, the boy's parents consulted his pediatrician who, in turn, referred the family to dermatology.

Hair loss is devastating at any age, even for older persons with hereditary predisposition. But it is especially troubling for children, in whom alopecia is surprisingly common.

A 26-year-old man self-referred himself to the dermatology clinic for evaluation of "genital warts" that had not responded to OTC wart medication. The lesions had been present for several years unchanged, caused no symptoms, and had never appeared in any other locations.