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Related Concept Videos

Correlations02:20

Correlations

36.6K
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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Correlation and Causation01:27

Correlation and Causation

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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.
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
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Correlation01:09

Correlation

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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.
Two variables, for example, a and b, are said to be positively correlated if both variables move in the same direction. In other words, a positive correlation exists between two variables, a and b, if:
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

645
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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Correlation and Regression00:53

Correlation and Regression

3.5K
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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Related Experiment Video

Updated: Feb 15, 2026

Functional Interrogation of Adult Hypothalamic Neurogenesis with Focal Radiological Inhibition
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Macrodystrophia Lipomatosa: Clinico-patho-radiological Correlation.

Rakesh Mehra1, Richa Bhartiya2, Pallavi Agrawal2

  • 1Department of Radiology, Patna Medical College and Hospital, Patna, Bihar, India.

Indian Journal of Medical and Paediatric Oncology : Official Journal of Indian Society of Medical & Paediatric Oncology
|January 16, 2018
PubMed
Summary

Macrodystrophia lipomatosa, a rare congenital anomaly, causes limb and digit enlargement due to hamartomatous tissue growth. Differentiating it from other conditions requires careful clinical, pathological, and radiological correlation.

Keywords:
Benign lipomatous lesionhamartomamacrodactyly

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Area of Science:

  • Medical Genetics
  • Developmental Biology
  • Pathology

Background:

  • Macrodystrophia lipomatosa is a rare congenital, nonhereditary developmental anomaly.
  • It involves hamartomatous proliferation of soft tissues, resulting in disproportionate limb and digit enlargement.
  • This condition presents a diagnostic challenge, necessitating differentiation from other disorders with varying prognoses and treatments.

Observation:

  • This report details two cases of localized gigantism.
  • The cases highlight the clinical presentation of macrodystrophia lipomatosa.

Findings:

  • The study emphasizes the diagnostic dilemma posed by macrodystrophia lipomatosa.
  • Accurate diagnosis requires a comprehensive clinico-patho-radiological correlation.

Implications:

  • Understanding macrodystrophia lipomatosa is crucial for appropriate patient management.
  • Distinguishing it from other conditions ensures correct prognosis and treatment strategies.
  • This case series contributes to the literature on rare developmental anomalies.