Diagnosis & Disease Information

A painful, recurrent rash on the fingers of a middle-aged man progressed, affecting the nail beds and eventually destroying the nails.

An 8-year-old child presents with red-brown papules with an overlying mica-like scale on the extremities.

A young woman presents to the clinic with a circular hypopigmented lesion on her right cheek that had contained a mole, which has since disappeared.

A 29-year-old woman with a history of acne presents to the clinic with blue-tinged facial plaques.

A 62-year-old African American man presents to establish care and to undergo skin examination, which he reports receiving regularly since his sister was diagnosed with melanoma. Examination reveals 3-mm hyperpigmented horizontal bands across the nailbeds of all fingernails, which he reports have been present since his 20s. He denies experiencing any other nail changes or…

A 60-year-old man presents to the clinic with a 1-cm long horn-like projection coming from the skin on the superior aspect of the skull just lateral to midline. The structure is yellowish-white in color and feels very firm to the touch. He states that he noticed a small, hard lesion a few months ago and…

A 43-year-old African American woman presents to the clinic with irritative lesions in the folds of her abdomen and in her genital region as well as painful ulcers in her oral mucosa. The patient reports noticing some flaccid blisters in addition to the lesions she presents with. On examination, erythematous, vegetative lesions are found. She…