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Related Concept Videos

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

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Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
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ACCURACY OF ULTRASOUND FOR SARCOPENIA ASSESSMENT IN DIGESTIVE TRACT CANCER PATIENTS.

Tassiane de Paula Sudbrack1, Katia Barão2, Nora Manoukian Forones3

  • 1Universidade Federal de São Paulo, Escola Paulista de Medicina, Departamento de Medicina, Programa de Pós-Graduação em Gastroenterologia, São Paulo, SP, Brasil.

Arquivos De Gastroenterologia
|May 28, 2026
PubMed
Summary

Ultrasound of the gastrocnemius muscle shows promise as a rapid and sensitive tool for detecting sarcopenia risk in digestive cancer patients. This method offers high accuracy, aiding early intervention for better patient outcomes.

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Identifying Frailty Using Point-of-Care Ultrasonography: Image Acquisition and Assessment
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Published on: July 26, 2024

Area of Science:

  • Oncology
  • Geriatrics
  • Diagnostic Imaging

Background:

  • Cancer patients face malnutrition and sarcopenia, increasing risks of falls, fractures, and mortality.
  • Sarcopenia, a loss of muscle mass and strength, significantly worsens clinical outcomes in cancer patients.
  • Early detection of sarcopenia is crucial for timely intervention and improved patient prognosis.

Purpose of the Study:

  • To evaluate ultrasound of the gastrocnemius muscle as a diagnostic method for sarcopenia in digestive system cancer patients.
  • To compare the efficacy of ultrasound with calf circumference in identifying sarcopenia risk.
  • To explore the potential of ultrasound as a fast and sensitive clinical tool for sarcopenia assessment.

Main Methods:

  • A cross-sectional study involving adult patients diagnosed with digestive system cancer undergoing treatment.
  • Sarcopenia assessment using the 2018 EWGSOP algorithm, classifying patients into at-risk/sarcopenic and non-sarcopenic groups.
  • Gastrocnemius muscle thickness measured via portable ultrasound (BodyMetrix™ BX2000).

Main Results:

  • Ultrasound demonstrated high diagnostic performance for sarcopenia (AUC=0.940, sensitivity=80%, specificity=100%).
  • Calf circumference showed good performance (AUC=0.889, sensitivity=72%, specificity=95%) but was less accurate than ultrasound.
  • A negative correlation was found between ultrasound muscle measurement and Sarc-CalF, and a positive correlation with calf circumference.

Conclusions:

  • Ultrasound of the gastrocnemius muscle is a potential fast, sensitive, and accurate clinical tool for sarcopenia detection in digestive cancer patients.
  • This non-invasive method could facilitate early diagnosis and multidisciplinary intervention.
  • Further research is recommended to establish a robust evidence base for widespread clinical adoption.