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Case Studies
Girl’s leg blisters after school ski trip
December 09, 2019
A 9-year-old girl presents with a painful blistering patch on her right leg noted when her mother picked her up from school following an after-school ski club trip. What's the diagnosis?
Teenager bothered by painful bumps on toes
November 12, 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 seasons
November 08, 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?
8-year-old girl with pain in her neck
October 17, 2019
A mildly overweight 8-year-old Hispanic female in rural Colorado is brought to her primary care provider’s office with right neck pain and right-sided neck swelling of a day’s duration. The patient’s mother also stated that her daughter had a maximum temperature (T-max) of 102°F that started that morning. The patient denied any sore throat, rash, headache, rhinorrhea, cough, nasal congestion, abdominal pain, vomiting, or diarrhea. What's the diagnosis?
Erythematous plaque on an infant’s cheek
October 10, 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.
Segmental hemangioma on a newborn’s face
September 10, 2019
A healthy 5-week-old girl presents for evaluation of rapidly growing, flat-topped red papules on the left side of her face.
Sudden neutropenia and emesis in an SGA infant
August 21, 2019
A 24-year-old G2P1001 African American female at 38.2 weeks of gestation was induced for labor for a fetus with prenatally diagnosed intrauterine growth restriction (IUGR). She subsequently delivered via normal spontaneous delivery. The infant initially latched well at the breast, was normoglycemic and normothermic, but shortly after birth had had a significant episode of blood-tinged emesis (not deemed to be swallowed maternal blood) and was transferred to the transitional nursery for further evaluation.
Emergent itchy rash in a 5-year-old boy
August 19, 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?
Massive splenomegaly in a 6-year-old girl
July 16, 2019
A 6-year-old female with history of previously resolved iron-deficiency anemia presents to the emergency department (ED) for numerous episodes of nonbloody, nonbilious vomiting and diffuse abdominal pain that began on the day of presentation. She had initially presented to her pediatrician who felt a large left-upper-quadrant abdominal mass and referred her to the ED for further evaluation. She has no associated diarrhea or urinary symptoms. What's the diagnosis?
Rapidly growing nodule on an infant’s finger
July 10, 2019
An otherwise healthy 5-month-old girl presents with an asymptomatic, rapidly growing, firm, smooth nodule on the side of her left fifth finger since she was 2 months of age.