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Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
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Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
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In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
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In statistics, correlation describes the degree of association between two variables. In the subfield of linear regression, correlation is mathematically expressed by the correlation coefficient, which describes the strength and direction of the relationship between two variables. The coefficient is symbolically represented by 'r' and ranges from -1 to +1. A positive value indicates a positive correlation where the two variables move in the same direction. A negative value suggests a...
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Endobronchial Lesions in Children: Radiologic, Bronchoscopic, and Pathologic Correlation.

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This summary is machine-generated.

Endobronchial lesions in children present vague symptoms, complicating diagnosis. Bronchoscopy is vital for direct visualization and biopsy, aiding treatment planning for these rare pediatric respiratory conditions.

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Area of Science:

  • Pediatric Pulmonology
  • Diagnostic Imaging
  • Interventional Pulmonology

Background:

  • Endobronchial lesions in children are rare, with nonspecific symptoms, making early diagnosis difficult.
  • Symptoms range from respiratory distress in infants to cough, wheezing, and hemoptysis in older children.
  • Radiographic findings like lobar consolidation may mimic pneumonia, masking underlying endobronchial abnormalities.

Purpose of the Study:

  • To review benign and malignant endobronchial pathologic processes in children.
  • To discuss the diagnostic challenges and multidisciplinary approach to these conditions.
  • To highlight the role of bronchoscopy in diagnosis and treatment planning.

Main Methods:

  • Review of literature on pediatric endobronchial lesions.
  • Discussion of diagnostic modalities, including imaging and bronchoscopy.
  • Emphasis on histopathological diagnosis for treatment stratification.

Main Results:

  • Foreign body aspiration is a common cause, especially in younger children.
  • Endobronchial tumors, mostly benign, are more frequent in older children.
  • Bronchoscopy provides direct visualization and tissue diagnosis, crucial for management.

Conclusions:

  • Endobronchial abnormalities should be considered in children with refractory respiratory symptoms.
  • A multidisciplinary approach is essential for accurate diagnosis and optimal treatment.
  • Timely diagnosis and intervention improve outcomes for pediatric patients with endobronchial lesions.