A 4½-year-old boy who previously had been diagnosed with Williams syndrome presented to a pediatric clinic after the family had immigrated to the United States from Jalisco, Mexico.
A 14-year-old girl of Turkish origin came to the clinic with concern for recurrent significant left knee, abdominal, and chest pain, along with fever lasting for approximately 2 days at a time and...
A 9-month-old boy with a history of developmental delay, failure to thrive, and intractable epilepsy of unknown etiology presented to the hospital with twitching of his right arm and face, concerning for...
A full-term boy was born by spontaneous vaginal delivery to a 37-year-old gravida 3, para 3 mother. At birth, physical examination findings were unremarkable except for an undescended left testicle and an...
