Selective Mutism in the Context of Autism and Bilingualism.

Juan is a 5-year-old boy who has been followed by a developmental-behavioral pediatrician and pediatric neuropsychologist since being diagnosed with language delay and autism spectrum disorder at age 2 years. He is otherwise healthy and was born at term after a healthy pregnancy. His primary language is Spanish, and he has minimal interactions in English.

Hearing Loss and Autism Spectrum Disorder.

Gretta is a 3.5-year-old girl with a history of congenital cytomegalovirus, congenital bilateral profound sensorineural hearing loss (SNHL), and bilateral vestibular dysfunction, resulting in frequent falls. She underwent cochlear implantation at 12 months of age and was diagnosed with autism spectrum disorder at 2.

Challenging Case: New-Onset Hallucinations and Developmental Regression in a Child with Autism Spectrum Disorder.

Nick is a 5-year-old boy who began displaying self-stimulating behaviors and decreased social interactions shortly before turning 3 years. At the age of 3.5 years, he was diagnosed with autism spectrum disorder by a local developmental-behavioral pediatrician.

Developmental Delay and Behavior Challenges in an Internationally Adopted Child.

Jay is a 6-year-old boy who was referred to a multidisciplinary developmental clinic for evaluation because of speech/language delays and challenging behaviors. He attends kindergarten with an Individualized Education Program (IEP) supporting developmental challenges with speech/language, motor, and academic skills.Jay was reportedly born full-term after an uneventful pregnancy and lived with his biological family for several months before transitioning to institutional care.

Access to Care Limitations: When Distance and Lack of Evidence Meet.

Jimmy is a 13-year-old adolescent boy who was diagnosed with Down syndrome (trisomy 21) prenatally. Jimmy is the only individual with Down syndrome in the small, rural community where he lives with his parents. He has mild sleep apnea, and his gross and fine motor developmental milestones were generally consistent with those expected among children with Down syndrome.

Complex Attention-Deficit/Hyperactivity Disorder in a Bilingual Child with Down Syndrome and Intellectual Disability.

Maria is an 8-year-old girl with Down syndrome, described by her mother as an affectionate and social child, who was referred to developmental-behavioral pediatrics by her pediatrician because of increasing aggressive behaviors and inattention.Maria was 5 pounds at birth, delivered full-term by cesarean section, and hospitalized for 1 month after delivery because of feeding issues that required a nasogastric (NG) tube. Maternal age was 24 years, pregnancy was uncomplicated, and there were no reported prenatal exposures to substances.

Considerations in the Management of Functional Neurological Disorders in Patients with Hearing Loss.

Adam is a 14-year-old adolescent boy with hearing loss who presented to the pediatric neurology clinic accompanied by his father for evaluation of new-onset left hand tremor for a duration of 1 month. An American Sign Language interpreter was present and used throughout the visit.Adam has bilateral sensorineural hearing loss related to premature birth at 28 weeks' gestation.

Addressing Self-Injurious Behavior in the Medically Complex Child: Identifying the Root Cause vs Blocking Resulting Behavior.

Gillian is a 7-year-old nonverbal, internationally adopted girl with significant visual impairment (sees shadows and objects with high contrast), moderate-severe hearing loss, autism spectrum disorder, profound intellectual disability, and a seizure disorder. She resided in an orphanage until age 4 years when she was adopted by her mother. She is referred to the multidisciplinary team in developmental-behavioral pediatrics by her gastroenterologist, who is managing her constipation, for evaluation and management of self-injurious behavior that occurs before bowel movements.

Skipping the Line: Inequality in Access to Developmental-Behavioral Care.

The mother of an 18-month-old boy contacted the developmental and behavioral pediatrics clinic to request an evaluation because of concerns that her son is not using any words and only recently began walking. The child's mother became upset when she was notified that the clinic policy requires receipt of a formal request for evaluation from the primary care physician and that the first available appointment was in 9 months. Later that day, the child's grandmother contacted the clinic and reported that she is a member of the Donor Society affiliated with the university/medical system.

Diagnostic Overshadowing: Insidious Neuroregression Mimicking Presentation of Autism Spectrum Disorder.

Zac is a 13-year-old boy who presented with his parents to developmental-behavioral pediatrics seeking diagnostic clarity. He was born by vaginal delivery at full term after an uncomplicated pregnancy. Developmental milestones were met at typical ages until he was noted to have language delay and to be hyperactive and impulsive on entering preschool at age 4 years.

Let Me Spell It Out: The Impact of Microaggression on the Health Care Professional.

Rachel is a 10-year-old White girl with attention-deficit/hyperactivity disorder and a history of trauma who presented for evaluation by Dr. Narayanaswamy, a developmental-behavioral pediatrician. A pediatric resident observed the visit with permission from Rachel's parents.

Missed Opportunities and the Impact of the Pandemic.

Benjamin is a 9-month-old, former 36-week gestation infant who presented to the high-risk infant follow-up clinic with parental concern for developmental regression. His mother reported that Benjamin seemed to be developing typically, but over the past 2 months, he has lost the ability to visually track objects, is not as engaged with her as he once was, and now only rarely makes babbling sounds. His mother also reported episodes of intermittent "bursts" of stiffening of his extremities and brief staring spells.

Disorders, Disabilities, and Differences: Reconciling the Medical Model with a Neurodiversity Perspective.

Zoe is a 25-month-old girl who presented to developmental-behavioral pediatrics with her parents for follow-up after receiving a diagnosis of autism spectrum disorder with global developmental delay and language impairment 3 months ago. Zoe was born by spontaneous vaginal delivery at term after an uncomplicated pregnancy, labor, and delivery. She had a routine newborn course and was discharged home with her parents 2 days after her birth.

The Value of Telehealth and a Team-Based Approach in Improving Developmental and Behavioral Care During the COVID-19 Pandemic.

Billy is a 2.6-year-old boy who presented for evaluation in the developmental-behavioral pediatrics (DBP) clinic 2 weeks before the onset of pandemic-related clinic restrictions. Billy had received early intervention for the past year because of speech and fine motor delays.

Responding to Discriminatory Patient Requests.

Julia is a 13-year-old White adolescent girl who was referred for psychological counseling given concerns related to mood, nonadherence, and adjustment secondary to her new diagnosis of type 1 diabetes. The family lives in a rural town located several hours from the academic medical center where she was diagnosed. After several months on a waitlist, the family was contacted to schedule a telehealth appointment with a predoctoral psychology trainee.

Navigating Medical Care for a Young Adult with Developmental Disability.

Sam is a 20-year-old young man with intermittent gastritis, autism spectrum disorder, and intellectual disability who was admitted to the hospital because of nutritional concerns. His parents have legal guardianship and report that he has had increasing frequency of refusal to eat, resulting in a 15-pound weight loss over the past 3 months. On admission, a multidisciplinary team including specialists in gastroenterology, nutrition, feeding (behavioral and mechanical), psychiatry, palliative care, and social work was engaged to develop an evaluation and care plan.

Autism and Access to Care During the COVID-19 Crisis.

Case: Brian is a 6-year-old boy who was diagnosed with autism spectrum disorder (ASD) and global developmental delay at age 2. He has no other health conditions of note. Brian lives with his parents and an older brother, who also has ASD, in a rural area 2 hours from the center where he was diagnosed.

Beyond Picky Eating.

Joseph is a 20-month-old boy who was thriving and developing well before a 4-day hospitalization for paralytic ileus at 11 months of age. Joseph is the first child born to parents who immigrated to the United States from Southeast Asia 3 years ago. Before the hospitalization, Joseph consumed 3 meals and 480 to 600 mL of milk daily.

Beyond Developmental Supports for a Child Refugee.

Zahid is a 10-year-old boy who moved to the United States 18 months ago with his parents and 3 younger siblings. He and his family are refugees from Syria. Zahid was born in Syria after an uncomplicated pregnancy and delivery.

The Complexity of Making a Diagnosis.

Carl is a 12-year-old boy midline, with neurologic malformation, ataxia, bilateral strabismus with presumed residual visual impairment after surgical repair, and intellectual disability. He was referred to developmental-behavioral pediatrics for evaluation of possible autism spectrum disorder (ASD).Carl had a benign prenatal course and was born via spontaneous vaginal delivery at term.

Not Really "The Same Thing".

Susie is a 10-year-old girl who is followed by a developmental-behavioral pediatrician for attention-deficit/hyperactivity disorder (ADHD), combined type and challenging behaviors. Susie has been treated with extended-release methylphenidate HCl 36 mg daily and extended-release guanfacine 1 mg daily for the past year. Susie attended an evidence-based summer treatment program for ADHD for 8 weeks over the summer, and the family has continued to attend monthly behavioral therapy visits with a local child psychologist.

Maintaining Safety and Planning for the Future.

Kevin is a 12-year-old boy with autism spectrum disorder, intellectual disability (nonverbal IQ scores in mid-40s), and attention-deficit/hyperactivity disorder who has been followed up by a developmental-behavioral pediatrician (DBP) and a child psychologist for medication and behavioral management since he was 4 years old. Kevin was placed in the care of his great-great-aunt shortly after he turned 2 years of age because of concerns of neglect. She is now his legal guardian.

Attention-Deficit Hyperactivity Disorder, Disruptive Behaviors, and Drug Shortage.

Kyle is a 10-year-old boy with Down syndrome and intellectual disability who is being followed up by a developmental behavioral pediatrician for attention-deficit hyperactivity disorder (ADHD) and anxiety. Kyle was initially taking a long-acting liquid formulation of methylphenidate for ADHD and fluoxetine for anxiety. Several months ago, the liquid formulation was on back order, and the methylphenidate formulation was changed to an equal dose of a long-acting capsule.

Effectiveness of exome and genome sequencing guided by acuity of illness for diagnosis of neurodevelopmental disorders.

Neurodevelopmental disorders (NDDs) affect more than 3% of children and are attributable to single-gene mutations at more than 1000 loci. Traditional methods yield molecular diagnoses in less than one-half of children with NDD. Whole-genome sequencing (WGS) and whole-exome sequencing (WES) can enable diagnosis of NDD, but their clinical and cost-effectiveness are unknown.

Driven by evidence: diagnosis and treatment for children with autism spectrum disorders.

As the prevalence of autism spectrum disorders increases, practitioners across the state of Missouri face an increasing need to understand and provide evidence-based clinical care for these children and families. We describe the breadth of diagnosis and treatment services offered at Children's Mercy Hospital (Kansas City, Missouri), one of the designated Missouri Autism Centers, to demonstrate a model of implementation for evidence-based practice. Finally, we discuss relevant clinical considerations and provide resources for physicians to assist in the care and education of their patients.