Teenager bothered by painful bumps on toesNovember 12th 2019
A healthy 15-year-old girl presents for evaluation of itchy, painful bumps on her toes that developed 3 weeks earlier. The bumps become more numerous and bothersome when she is outdoors sledding and skiing. What's the diagnosis?
Boy’s chronic lesions change with the seasonsNovember 8th 2019
A healthy 10-year-old male presents for evaluation with a 3-year history of an asymptomatic and progressive, mildly pruritic rash over his head and trunk. The first lesion appeared on his back 3 years ago, and numerous other lesions developed insidiously afterward. The patient’s father states that the lesions fade during the winter and become more prominent during the summer. Failed treatment included hydrocortisone. What's the diagnosis?
Erythematous plaque on an infant’s cheekOctober 10th 2019
A healthy, afebrile, 12-month-old girl presents for evaluation with an asymptomatic nodule on her left cheek that has been present for 3 weeks. She was initially seen by her pediatrician, diagnosed with cellulitis, and prescribed an oral antibiotic, which was not administered by her parents.
How treating food allergies and AD has changedSeptember 27th 2019
Food allergies are a hot topic on the playground, at schools, and in pediatric offices. Parents of children with eczema or atopic dermatitis (AD) often have a lot of questions regarding the connection between eczema, exposure to common food allergens, and the development of or exacerbation of AD. There are many of the complex questions that clinicians must answer when evaluating pediatric patients with AD.
Emergent itchy rash in a 5-year-old boyAugust 19th 2019
A healthy 5-year-old boy with a 6-month history of asymptomatic 2-mm to 3-mm papules on his legs presents for evaluation of a red, slightly itchy rash that just developed on the back of his right knee. What's the diagnosis?
Sunscreen ingredients are absorbed systemicallyAugust 6th 2019
Applying sunscreen as often as manufacturers recommend results in plasma concentrations of sunscreen’s 4 active ingredients that exceed the threshold for safety concerns established by the US Food and Drug Administration (FDA), according to a recent study.
Fuzzy brown spots on a healthy 3-year-oldJune 19th 2019
A healthy 3-year-old girl presents for evaluation of light brown spots on her trunk and extremities that have appeared over the last 2 years. The spots are not symptomatic but the girl’s parents are worried that she could have neurofibromatosis.
Diffuse rash spreads from infant’s scalp to extremitiesMay 1st 2019
A 3-month-old boy presents for evaluation of a diffuse asymptomatic rash that began on his scalp and skin creases 6 weeks ago and has spread over his trunk and extremities. This week he has begun to scratch at his neck and abdomen.
Painful, tense acral bullae in a 12-year-old girlMarch 1st 2019
A healthy 12-year-old girl presents to the clinic with 2 days of low-grade fever and enlarging, painful, tense bullae on both hands. She had recently been diagnosed with streptococcal pharyngitis and was being treated with oral cefixime.
Reticulated rash on boy’s lower extremitiesFebruary 1st 2019
A healthy 11-year-old boy is brought to the office for evaluation of asymptomatic reticulated rash that started on his ankles 3 weeks ago and since has spread to his shins and the tops of both feet. He is on no medications and has had no history of trauma or recent illness. What's the diagnosis?
Streaky pigmentation suggests larger issuesJanuary 1st 2019
The parents of a 2-month-old boy return to the office for a well-child visit. The infant has a history of hypotonia and poor head control but is growing normally. His parents noted streaky patterns of hypopigmentation over his trunk and extremities shortly after birth and felt they were likely just “birthmarks.”
Girl’s hands shrivel when exposed to waterDecember 1st 2018
A 16-year-old girl presents to the clinic for acne follow-up and mentions that her palms wrinkle significantly after only a few minutes of immersion in water. She is otherwise well and has no significant past medical history.
Persistent pruritic rash in an 8-year-old boyNovember 1st 2018
An 8-year-old boy is brought to the office for evaluation of a persistent itchy rash on his extremities, trunk, and face. Although the rash has been present for longer than 3 months, individual skin lesions change from hour to hour and occasionally the rash clears completely only to recur several hours later. He is otherwise healthy with no known allergies, changes in diet, medication use, or recent illness.
Boy’s progressive extremity rash looks fishyOctober 1st 2018
A previously healthy 8-year-old boy presents to the dermatology clinic with a progressively worsening elbow rash over the course of the last week. The rash does not itch. He spent the previous weekend sailing on the Chesapeake Bay. His pediatrician prescribed a course of cephalexin as well as a trial of topical antiviral ointment, neither of which improved the rash. The patient denies any other new exposures.
Fistula spied near infant’s eyeSeptember 1st 2018
The mother of a healthy 4-week-old boy brings him to the office for evaluation of a small pit on the medial canthus of the left eye, noted since birth. There is constant drainage of tears onto the left side of his face and exudate on the bottom of the left medial canthus.