
Man with pruritic, edematous eruption of the upper and lower eyelids.

Man with pruritic, edematous eruption of the upper and lower eyelids.

This itchy, scaly rash extending from the underarm onto the upper arm was tinea corporis.

The tense bullae shown here and the chronicity of the disease should suggest the diagnosis of bullous pemphigoid.

The almost black nature of the lesion arouses suspicion for melanoma. A conservative excisional biopsy revealed this to be a traumatic tattoo, however.

An 80-year-old-woman was seen as an inpatient hospital consult. A persistent pruritic eruption had developed acutely on the legs.

These burning red patches around the mouth, known as perleche, are aggravated by aging. Learn how to treat it.

A 67-year-old woman noted the appearance of several non-tender, rock-hard, purple-colored nodules on her legs. Her past medical history was significant for distant non-Hodgkin lymphoma.

A 40-year-old man sought advice regarding therapeutic options for an asymptomatic, “red spot” on the flank. Review of systems was entirely negative.

A 56-year-old woman noted the abrupt onset of several very painful ulcerations located on her back. The patient had known (and active) Crohn disease, clinical depression requiring ongoing psychiatric care, and borderline diabetes mellitus.

A 32-year-old woman presents with a swollen, painful fourth digit on the right hand. While housecleaning, a traumatic erosion developed on the ipsilateral hyponychium.

A 78-year-old man sought medical attention after noting a non-tender, subtle “hole” in his forehead. The firm lesion was asymptomatic.

A 63-year-old woman presented for medical attention relating to the acute onset of an intensely pruritic, oozing eruption along the hairline, behind the ears and on the upper face. This eruption followed the first use of a new shampoo product

A 56-year-old woman insisted on an “emergency” appointment due to the relentless appearance of pruritic skin “lesions” on the arms and legs. She admitted to manipulating the skin (scratching, picking, gouging) in an attempt to lessen associated itching.

A 59-year-old woman presents for evaluation of a painful, draining neck lesion. She is a native of India and returns to her home country yearly to visit relatives.

A 45-year-old woman noted painless, red, crusted papules on the hand. This was followed by the appearance of deep, slightly tender red nodules on the arm and ipsilateral axillary adenopathy.

A 57-year-old obese woman with known and poorly controlled type 2 diabetes presented with the sudden onset of “yellow bumps all over.” Representative lesions on the back and elbows are shown.

A 26-year-old African American woman presents for help with “pimples” on both sides of the nose. She is ostensibly healthy and takes no medications.

A 26-year-old woman notes the insidious onset of an abnormal nail. The nail plate gradually grew away from the underlying nail bed and then began to elevate in a tented fashion.

A 32 year-old man presents with deteriorating thumbnails. He is in good health except for a long-standing seizure disorder that is controlled with phenytoin.

A 23-year-old man presented for medical attention with these mildly to moderately pruritic lesions located only on his hands. He was in good health and took no medications.

A 58-year-old man presents for evaluation of a facial rash. He is convinced, from internet research, that he has systemic lupus erythematosus.

A 26-year-old African American woman was concerned about the gradual onset of mildly tender, but severely distressing facial lesions located on the face.

With no history of papulosquamous skin disease (eg, psoriasis), a solitary, well-demarcated, bright red scaly patch should suggest either superficial basal cell or in situ squamous cell carcinoma.

The husband of this 50-year-old obese woman noted that her back was discolored. Review of past medical history disclosed long-standing low back pain from partially herniated vertebral disks.

A 36-year-old woman notes the insidious onset of an asymptomatic lesion located on the scalp. Despite frequently hitting it with a comb or brush, it has never bled.

A 53-year-old woman felt the underwire in her bra stab the inframammary skin. She covered the ensuing shallow wound with antibiotic ointment under a bandage. The wound was slow to heal, and was ultimately replaced by a friable, oozing papule.

A 30-year-old woman rapidly developed an intensely pruritic eruption on both legs, that extended from the knees to the upper thighs.

An 82-year-old woman presents with a persistent “face sore,” which she ascribed to repeatedly and frequently blowing her nose during a recent upper respiratory infection.

A 32-year-old woman sought medical attention after noticing a change in the appearance of a mole on her leg.

A 26-year-old man cut the dorsum of his wrist on a coral formation while snorkeling in the Caribbean.