Case Studies

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?

Boy builds a snowman, suffers swollen fingers

February 07, 2020

A 4-year-old boy presents for evaluation with painful swollen fingers on both hands that erupted after he made a snowman with his siblings following a snowstorm. He complains that they are itchy and painful. What's the diagnosis?

Rash triggers joint pain in an 8-year-old girl

January 14, 2020

An 8-year-old, previously healthy girl presents to the emergency department (ED) with a rash “that looks likes bruises” and joint pain.  The red patchy rash is not painful and not pruritic. What's the diagnosis?

Linear papules appear on a boy’s thumb, wrist

January 10, 2020

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?