Fractures are common injuries caused by child abuse. Although the consequences of failing to diagnose an abusive injury in a child can be grave, incorrectly diagnosing child abuse in a child whose fractures have another etiology can be distressing for a family. The aim of this report is to review recent advances in the understanding of fracture specificity, the mechanism of fractures, and other medical diseases that predispose to fractures in infants and children. This clinical report will aid physicians in developing an evidence-based differential diagnosis and performing the appropriate evaluation when assessing a child with fractures. Pediatrics 2014;133:e477-e489 INTRODUCTIONFractures are the second most common injury caused by child physical abuse; bruises are the most common injury. 1 Failure to identify an injury caused by child abuse and to intervene appropriately may place a child at risk for further abuse, with potentially permanent consequences for the child. 2-4 Physical abuse may not be considered in the physician' s differential diagnosis of childhood injury because the caregiver may have intentionally altered the history to conceal the abuse. 5 As a result, when fractures are initially evaluated, a diagnosis of child abuse may be missed. 3 In children younger than 3 years, as many as 20% of fractures caused by abuse may be misdiagnosed initially as noninflicted or as attributable to other causes. 3 In addition, fractures may be missed because radiography is performed before changes are obvious or the radiographic images are misread or misinterpreted. 2 However, incorrectly diagnosing physical abuse in a child with noninflicted fractures has serious consequences for the child and family. To identify child abuse as the cause of fractures, the physician must take into consideration the history, the age of the child, the location and type of fracture, the mechanism that causes the particular type of fracture, and the presence of other injuries while also considering other possible causes. DIFFERENTIAL DIAGNOSIS OF FRACTURES Trauma: Child Abuse Versus Noninflicted InjuriesFractures are a common childhood injury and account for between 8% and 12% of all pediatric injuries. [6][7][8] In infants and toddlers, physical FROM THE AMERICAN ACADEMY OF PEDIATRICSGuidance for the Clinician in Rendering Pediatric Care by guest on May 11, 2018 http://pediatrics.aappublications.org/ Downloaded from abuse is the cause of 12% to 20% of fractures. 9 Although unintentional fractures are much more common than fractures caused by child abuse, the physician needs to remain aware of the possibility of inflicted injury. Although some fracture types are highly suggestive of physical abuse, no pattern can exclude child abuse. 10,11 Specifically, it is important to recognize that any fracture, even fractures that are commonly noninflicted injuries, can be caused by child abuse. Certain details that can help the physician determine whether a fracture was caused by abuse rather than unintentional injury include the hist...
Concerns about bone health and potential fragility in children and adolescents have led to a high interest in bone densitometry. Pediatric patients with genetic and acquired chronic diseases, immobility, and inadequate nutrition may fail to achieve expected gains in bone size, mass, and strength, leaving them vulnerable to fracture. In older adults, bone densitometry has been shown to predict fracture risk and reflect response to therapy. The role of densitometry in the management of children at risk of bone fragility is less clear. This clinical report summarizes current knowledge about bone densitometry in the pediatric population, including indications for its use, interpretation of results, and risks and costs. The report emphasizes updated consensus statements generated at the 2013 Pediatric Position Development Conference of the International Society of Clinical Densitometry by an international panel of bone experts. Some of these recommendations are evidence-based, whereas others reflect expert opinion, because data are sparse on many topics. The statements from this and other expert panels provide general guidance to the pediatrician, but decisions about ordering and interpreting bone densitometry still require clinical judgment. The interpretation of bone densitometry results in children differs from that in older adults. The terms “osteopenia” and “osteoporosis” based on bone densitometry findings alone should not be used in younger patients; instead, bone mineral content or density that falls >2 SDs below expected is labeled “low for age.” Pediatric osteoporosis is defined by the Pediatric Position Development Conference by using 1 of the following criteria: ≥1 vertebral fractures occurring in the absence of local disease or high-energy trauma (without or with densitometry measurements) or low bone density for age and a significant fracture history (defined as ≥2 long bone fractures before 10 years of age or ≥3 long bone fractures before 19 years of age). Ongoing research will help define the indications and best methods for assessing bone strength in children and the clinical factors that contribute to fracture risk. The Pediatric Endocrine Society affirms the educational value of this publication.
Concern for bone fragility in children and adolescents has led to increased interest in bone densitometry. Pediatric patients with genetic and acquired chronic diseases, immobility, and inadequate nutrition may fail to achieve the expected gains in bone size, mass, and strength, which leaves them vulnerable to fracture. In older adults, bone densitometry has been shown to predict fracture risk and reflect response to therapy. The role of densitometry in the management of children at risk of bone fragility is less certain. This clinical report summarizes the current knowledge about bone densitometry in the pediatric population, including indications for its use, interpretation of results, and its risks and costs. This report emphasizes consensus statements generated at the 2007 Pediatric Position Development Conference of the International Society of Clinical Densitometry by an international panel of bone experts. Some of these recommendations are evidence-based, and others reflect expert opinion, because the available data are inadequate. The statements from this and other expert panels have provided general guidance to the pediatrician, but decisions about ordering and interpreting bone densitometry still require clinical judgment. Ongoing studies will help to better define the indications and best methods for assessing bone strength in children and the clinical factors that contribute to fracture risk.
The vocational experiences and general well-being of 58 young adult subjects (mean age 24.3 yr) with insulin-dependent diabetes mellitus (IDDM) diagnosed during their adolescence were compared with that of 55 healthy matched control subjects with linear logistic discriminant function analyses. Assessment measures included the Rand General Well-Being Scale and the Rand Functional Limitations and Physical Abilities Batteries. Diabetic subjects, on average, reported significantly lower general well-being than control subjects, particularly in terms of health-related fears and feelings of depression. However, diabetic subjects did not report a pervasive functional deficit relative to control subjects and experienced similar employment rates and problems in the workplace. These results suggest that this group of young adult diabetic subjects has adjusted well to the demands of the workplace despite lower reports of general well-being. The results are discussed in light of relevant sampling issues.
The TSH response to TRH administration (7 micrograms/kg) was measured in 68 infants (22 premature) who had abnormal thyroid screening tests by the filter paper method and whose serum thyroid function tests were only mildly abnormal. Twenty-eight infants (12 premature) had peak TSH values of 35 mU/L or less and were considered normal (group I). Forty infants (10 premature) had peak TSH values above 35 mU/L and were considered hyperresponsive (group II). The mean age at testing, screening T4, TSH levels that prompted the testing, as well as baseline T4, T3, and free T4 at the time of TRH testing were not different between the groups. The mean (+/- SD) baseline TSH value was greater in group II (6.8 +/- 2.3 mU/L) than in group I (4.4 +/- 2.2 mU/L; P < 0.001). However, there was a great deal of overlap in the individual TSH values (group I, 0.9-10 mU/L; group II, 1.9-10.6 mU/L). Mean peak TSH levels were significantly different in the two groups (group I, 24 +/- 7.7 mU/L; group II, 60.3 +/- 26.1 mU/L; P < 0.001). During long term follow-up, all 25 group I infants available for evaluation have been confirmed as clinically and biochemically normal. No infant diagnosed as normal was later found to have evidence of hypothyroidism. Fourteen infants in group II have had evidence of thyroid dysfunction. We conclude that the TSH response to TRH stimulation is a useful tool for the evaluation of infants suspected of having primary hypothyroidism. Whether hyperresponsiveness to TRH represents a form of neonatal hypothyroidism requiring treatment remains to be determined.
Subacute combined degeneration of the spinal cord (vitamin B12-deficient myelopathy) is a neurologic disorder manifesting progressive symptoms of paresthesia and spastic paralysis. As shown by pathology, it initially involves the posterior columns of the thoracic cord. We present a case of vitamin B12 deficiency with preferential posterior column involvement of the thoracic cord in a child. Theoretically, this should be the earliest, most reversible stage of the disease, making recognition of this MRI pattern of critical importance.
Pallister-Hall syndrome is a usually lethal dysplasia/malformation syndrome characterized by hypothalamic hamartoblastoma, hypopituitarism, postaxial polydactyly, craniofacial malformations, imperforate anus, and other malformations. We report a familial case in a male infant and his female sib fetus, suggesting autosomal recessive inheritance, or germinal mosaicism for an autosomal dominant mutation, or a segregating submicroscopic chromosome abnormality. Detailed endocrine evaluation on the surviving infant revealed documented pituitary function, pituitary deficit, and hypothalamic deficiency. We suggest that hypothalamic dysfunction contributes to the hypopituitarism seen in Pallister-Hall syndrome.
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