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A 19-year-old woman has had a blue-black nodule next to her left eye since birth. After recent accidental trauma, the lesion has enlarged.

Recent trauma caused this lesion, which had been present since the patient’s birth, to enlarge. What is it?

Clinical Topics

Blue-Black Nodule

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

A 67-year-old woman noted the appearance of several non-tender, rock-hard, purple-colored nodules on her legs. Her medical history was significant for distant non-Hodgkin lymphoma. The violaceous color and configuration of the skin lesions suggests which of the following? 

Hard Purple Nodules: Your Dx?

A 76-year-old woman seeks your attention for an asymptomatic “red spot” on her neck. She has a history of multiple non-melanoma skin cancers.

Squamous cell carcinoma in situ (Bowen  disease)

Lichenoid keratosis (an inflammatory variant of seborrheic keratosis)

A 76-year-old woman seeks your attention for an asymptomatic “red spot” on her neck. What does this look like to you?

What's This "Red Spot"?

A 68-year-old man presented with two growths on his chest, which he said had been slowly expanding over the past 2 years. They were occasionally tender and had bled with minimal trauma.

Can you identify the 2 slowly expanding growths on the chest of this 68-year-old man?

Pearly Pink Chest Lesions 

These are the hands of a 60-year-old black woman who, besides a chronic palmar discoloration, has a history of joint pain, muscle weakness, and Raynaud phenomenon. Physical examination showed proximal muscle weakness and mild synovitis in her metacarpophalangeal joints. She was mildly anemic, but renal function and urinalysis results were normal. Her creatine phosphokinase level was elevated at 3435 U/L. Her chest x-ray showed mild interstitial changes at the lung bases.

The 60-year-old black woman has a history of joint pain, muscle weakness, and Raynaud phenomenon. Why the “dirty hands”?

Dirty Hands

A 5-year-old boy with a history of atopic dermatitis since 6 weeks of age, presents with a rash around his mouth that has been present for approximately 1 year. The patient’s mother reports that desonide topical cream was applied to the affected area for about 5 days, which initially resulted in improvement, however the rash returned after this medication was discontinued. The rash also recently improved after the patient took amoxicillin for an infection. She also notes that the patient has been licking his lips more frequently.

On examination there is an erythematous papulopustular eruption restricted to the perioral region, with sparing of the vermillion border. Mild hyperpigmentation is noted on the patient’s neck. There is no active involvement of other areas of the body.

The eruption has been present for 1 year and is restricted to the perioral region. What is included in your differential? 

Rash Around the Mouth of a 5-year-old Child

Mark L. Fuerst

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