Bernard A Cohen, MD, is the section editor for Dermcase and professor of pediatrics and dermatology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
The Dx and Rx of head lice
As children get ready to return to school, pediatric health care providers may start seeing more of this condition in their offices. Here is what you should know.
Friction-induced blistering on a child’s feet
You are called to the hospital nursery to evaluate a healthy full-term newborn boy who developed painful flaccid blisters and erosions on the tops of his feet and ankles shortly after birth. His mother had a history of similar recurrent skin lesions that healed with scarring. She also had oral and gastrointestinal tract involvement. What's the diagnosis?
Swollen, purple, blistered thumb leads to diagnosis of herpetic whitlow
You are asked to evaluate a boy, aged 14 years, who presents with one week of tender, expanding, confluent, purple blisters on his swollen left thumb, extending under the thumbnail.. What is the diagnosis?
Neonatal pustular facial rash
A previously healthy 2-week-old girl developed multiple, asymptomatic pustules on her scalp, forehead, eyelids, and upper cheeks. She has been growing and developing well with appropriate weight gain. What's the diagnosis?
2-year-old boy with atopic dermatitis flare on legs
A healthy 2-year-old boy with atopic dermatitis developed intermittent flares of eczematous patches on his legs with dramatic sparing below the sock line following meals. What is the diagnosis?
Juvenile spring eruption in a young boy
With Juvenile spring eruption (JSE), exposure to sunlight in early spring or summer results in a papulovesicular rash that usually resolves within 1 to 2 weeks.
Scalp thickening and folding in a pubertal boy
A 16-year-old boy with developmental delay and intellectual disability developed dramatic chronic wrinkling of his scalp over a year ago. The lesions were persistent but not symptomatic. What's the diagnosis?
Facial birthmark and new-onset seizures in infant
The parents of a 3-month-old girl seek medical advice regarding recent seizures and a facial birthmark. What’s the diagnosis?
A case of shin guard dermatitis?
A healthy 14-year old boy was evaluated for an intensely pruritic shin rash that developed 2 weeks prior and had been treated with oral antibiotics for 10 days.
Looking at the spectrum of diaper dermatitis
Diaper dermatitis is common and the differential diagnosis is broad. Here are 5 cases that illustrate the various diagnoses that fall within this spectrum.
Scrutinizing the psychosocial impact of skin diseases
Acne, molluscum, atopic dermatitis, and other dermatological disorders can be detrimental to quality of life for children and their families.
Annular scars with hyperpigmentation
An 18-month-old girl presents with ringed scars with hyperpigmentation on the right side of her buttocks and back. What's the diagnosis?
Looking at the scalp and nails during a skin exam is key
A presentation from the 2021 virtual American Academy of Pediatrics Conference & Exhibition urges including examination of the scalp and nails during any skin exam.
Diffuse erythematous rash in a healthy, afebrile infant
A healthy 9-day-old girl presents with erosions near her eyes, nose, and skin creases on the arm as well as a positive Nikolsky sign. What's the diagnosis?
Acne vulgaris in teenagers
It effects most teenagers and can lead to mental distress. Here are 5 important facts about acne vulgaris in adolescents.
A 6-month-old male with solitary mastocytoma
An otherwise healthy 6-month-old boy has a 1-cm area of recurrent blistering with surrounding erythema on his right cheek that developed shortly after birth.
What you need to know about atopic dermatitis
Atopic dermatitis is a chronic, inflammatory skin condition that affects 15% to 20% of children and 1% to 3% of adults in the United States. The prevalence of atopic dermatitis, which is also known as eczema, is increasing in developing and industrialized countries.
Bruise-like marks on a healthy teenage male’s back
A 15-year-old male first noticed the marks on his back during a recent vertical growth spurt. On exam there are multiple horizontal violaceous linear striae on his back. He is otherwise healthy and denies any history of back injury or exposure to topical or systemic steroids. What's the diagnosis?
Bully bullae in a toddler spreads across the body
You are asked to evaluate a healthy 19-month-old boy with a history of recurrent blisters on his arms and legs for over a year that have now spread to his face. The blisters scab over quickly, ulcerate, and heal with post-inflammatory pigmentary changes. What's the diagnosis?
Dermatologic findings associated with COVID-19 in pediatric patients
COVID-19 has been seen as primarily a disease impacting the lungs, but more of the body's systems have been shown to be impacted by the disease. Here's a look at how the disease impacts the skin.
Progressive plaque in a 9-year-old boy
Anxious parents present their healthy 9-year-old son for evaluation of a slowly enlarging plaque that began developing on his lower back 3 months ago. What's the diagnosis?
Linear papules appear on a boy’s thumb, wrist
A healthy 6-year-old boy presents for evaluation with a 3-month history of an asymptomatic rash extending from his left thumb to his left wrist. What's the diagnosis?
Protuberant blister over newborn’s lumbar spine
A healthy full-term newborn presented with a prominent sacral dimple within an oval patch. Ultrasound showed no evidence of spinal anomalies, and the child was discharged home. Three days later, the patch became elevated, red, and moist appearing, and she was brought to the emergency department (ED) for further evaluation of the “growing blister.”
Ultraviolet radiation exposure and melanoma
The incidence of childhood melanoma is increasing. There is evidence that cumulative exposure to ultraviolet radiation from the sun in the first 18 years of life contributes to the development of future skin cancers.
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