Ultrasound measurements of the liver: an intra and inter‐rater reliability study

Childs, Jessie; Esterman, Adrian; Thoirs, Kerry

doi:10.1002/j.2205-0140.2014.tb00026.x

Cited by 21 publications

(38 citation statements)

References 21 publications

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“…A previous reliability study of ultrasound liver measurements by Childs et al . examined the same measures of A, B and C. The intra‐rater ICC measurements of the MCL Max DT were very similar but slightly higher in our study (0.972) compared with the study by Childs et al . (0.963).…”

Section: Discussionsupporting

confidence: 86%

“…(0.963). The MCL Max AP measurement was slightly lower in our study (0.945) compared with the study by Childs et al . (0.962), and the ICC of the Midline Max AP measurement was markedly higher in our study (0.851) compared with the study by Childs et al .…”

Section: Discussionsupporting

confidence: 86%

“…(0.678). It should be noted that the first rater for this study is the same as the first rater for the study by Childs et al . This rater has had considerable practice and exposure to these measurement planes since 2014, which may account for the increase in reliability of measurement C. The limits of agreement were comparable between our study and the previous study by Childs et al .…”

Section: Discussionsupporting

confidence: 55%

“…It should be noted that the first rater for this study is the same as the first rater for the study by Childs et al . This rater has had considerable practice and exposure to these measurement planes since 2014, which may account for the increase in reliability of measurement C. The limits of agreement were comparable between our study and the previous study by Childs et al . Measurement A was 1.67 cm in our study compared with 1.6 cm, measurement B was 2.1 cm in our study compared with 2.0 cm and measurement C was 1.94 cm in our study compared with 1.9 cm in the study by Childs et al …”

Section: Discussionmentioning

confidence: 99%

“…The differences in the inter‐rater reliability of these measurements showed a similar pattern with measurement A showing an inter‐rater ICC of 0.936 in our study compared with 0.930 of Childs et al ., measurement B showing an ICC of 0.936 compared with 0.853 of Childs et al . and measurement C showing an increased ICC of 0.761 compared with 0.625 of Childs et al . The inter‐rater limits of agreement were improved in our study compared with the previous study of Childs et al .…”

Section: Discussionmentioning

confidence: 99%

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The inter‐rater and intra‐rater reliability of a recently developed equation to determine liver volume using three simple two‐dimensional ultrasound measurements

Childs

Lamb

2018

Sonography

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Introduction A reliable way to measure the size of the adult liver is valuable for numerous reasons, including the diagnosis of disease and the tracking of disease or response to treatment or intervention over time. This study sought to determine the intra‐rater and inter‐rater reliability of a recently developed equation to calculate liver volume using three simple two‐dimensional (2D) ultrasound measurements: A dome to tip measurement in the midclavicular line (A), an anterior to posterior measurement in the midclavicular line (B) and an anterior to posterior measurement in the midline (C), placed into the equation 343.71 + [0.84 × A × B × C]. While the three measures have been shown to be reliable, it is also important to determine the reliability of the equation as there is potential for error to be magnified by the multiplication process. Methods Two examiners acquired two ultrasound images of the liver of each participant, performed the three measurements and calculated the liver volume using the equation. One examiner repeated the images and measurements. Results All measurements demonstrated high intra‐rater reliability [intra‐class correlation coefficient (ICCs) 0.851–0.972] with the volume equation having an ICC of 0.954 and limits of agreement of 178.7 cm3. All measurements also demonstrated high inter‐rater reliability (ICCs 0.761–0.954) with the volume equation having an ICC value of 0.918 and limits of agreement of 246.4 cm3. Conclusion The liver volume equation can be reliably performed by both the same rater and different raters.

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Section: Discussionsupporting

confidence: 86%

Section: Discussionsupporting

confidence: 86%

Section: Discussionsupporting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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The inter‐rater and intra‐rater reliability of a recently developed equation to determine liver volume using three simple two‐dimensional ultrasound measurements

Childs

Lamb

2018

Sonography

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Peripheral T‐cell lymphoma invasion of the liver: The underappreciated hypoechoic periportal cuffing on ultrasound—A case report and literature review

He,

Wang,

et al. 2024

J of Clinical Ultrasound

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Liver involvement in lymphoma often manifests as nonoccupying diffuse infiltration, posing challenges in distinguishing it from primary liver disorder. Herein, we present the case of a 21‐year‐old female who underwent two separate diagnoses within a nine‐month interval before being ultimately diagnosed with peripheral T‐cell lymphoma, not otherwise specified. Our review of this case identified an ultrasound imaging feature, the hypoechoic periportal cuffing. When combined with associated increased lymphocyte count and liver enlargement, it can serve as a noninvasive suggestion for malignant disorders, in particular hemic and lymphatic diseases.

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Ultrasound in the assessment of hepatomegaly: A simple technique to determine an enlarged liver using reliable and valid measurements

et al. 2016

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Introduction Knowledge of the size of the liver is an important factor in diagnosing liver disease. Hepatomegaly is a term used to describe a liver that is enlarged beyond its normal dimensions, and ultrasound is often a front line investigation in the suspicion of hepatomegaly. This study sought to develop a reference range for the size of the normal liver using a simple, reliable and valid measurement technique. Methods Two ultrasound images of the liver and a blood test were taken from 126 participants. Three simple linear measurements were taken from these two images and converted to a liver volume using a published equation. Results The reference range for liver volume in adults without liver pathology was found to be 1060–2223 cm3. Conclusion This new measurement technique and reference range is simple and easy to perform in the clinical environment. It has the potential to discriminate a liver normal in size to one with hepatomegaly.

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Ultrasound measurements of the liver: an intra and inter‐rater reliability study

Cited by 21 publications

References 21 publications

The inter‐rater and intra‐rater reliability of a recently developed equation to determine liver volume using three simple two‐dimensional ultrasound measurements

The inter‐rater and intra‐rater reliability of a recently developed equation to determine liver volume using three simple two‐dimensional ultrasound measurements

Peripheral T‐cell lymphoma invasion of the liver: The underappreciated hypoechoic periportal cuffing on ultrasound—A case report and literature review

Ultrasound in the assessment of hepatomegaly: A simple technique to determine an enlarged liver using reliable and valid measurements

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