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Case Studies
Teenage boy with asymptomatic brown plaque on back of thigh
February 03, 2021
An adolescent boy developed an asymptomatic brown plaque on the back of his leg. He recently noted the growth of coarse hairs within the lesion.
Red papulonodule with central crusting on a neonate’s cheek
January 14, 2021
A newborn boy born via normal vaginal delivery at 38.6 weeks gestation to a 33-year-old G5P2022 mother presented at birth with an asymptomatic 8-mm red, papulonodule with central crusting on the right cheek. What's the diagnosis?
A case of terra firma—forme dermatosis
January 11, 2021
During the evaluation of a healthy 7-year-old boy, an asymptomatic brown “dirt-like” rash is found on the anterior neck. It has progressed over the last 2 months and does not clear with routine bathing and aggressive scrubbing by his mother with soap and water.
Persistent birthmark grows on a toddler’s back
June 04, 2020
The parents of a healthy 20-month-old boy ask for advice about a birthmark on his lower back. The lesion is asymptomatic and has grown proportionately with their son. What's the diagnosis?
Newborn presents with jitters and tremors after delivery
May 19, 2020
A full-term male infant was born at 40.3 weeks gestational age via vaginal delivery to a 29-year-old single G6 P30204 mother with limited prenatal care (3 visits) and short interval pregnancy. The delivery was precipitous: Rupture of membranes was 3 hours in duration with clear fluid; no intrapartum medications were administered; and the infant’s Apgar scores were 9 and 9 at 1 and 5 minutes, respectively. What's the diagnosis?
Boy’s anxiety leads to hand rubbing, biting
May 15, 2020
A healthy 11-year-old boy presents for evaluation of thick skin over the metacarpal (MCP) and proximal interphalangeal (PIP) joints on his right hand. What's the diagnosis?
Toddler’s unusual oral trauma is troubling
April 16, 2020
A 17-month-old African American girl, with no significant past medical history, is brought to the Pediatric Emergency Department with acute onset of swelling in the floor of her mouth. What's the diagnosis?
Progressive plaque in a 9-year-old boy
April 07, 2020
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?
Girl presents with facial edema after surgery
March 18, 2020
A 9-year-old female presents to the clinic with facial edema that has progressively worsened over a period of a few weeks. What's the diagnosis?
Kiss of the spider or something more?
March 12, 2020
The parents of a healthy 8-year-old girl are worried about an asymptomatic red spot on their daughter’s left cheek that has been enlarging for more than a year. What's the diagnosis?