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Related Concept Videos

Assessment of the Abdomen III: Palpation01:23

Assessment of the Abdomen III: Palpation

4.0K
Palpation is a crucial tactile examination method for assessing abdominal organs and detecting conditions like tenderness, distention, masses, or fluid. It involves both light and deep palpation techniques, each serving specific diagnostic purposes. Light palpation helps identify tenderness and other surface-level indicators, while deep palpation locates and assess abdominal masses and organ boundaries. A skilled professional can gather valuable insights through palpation, including evaluating...
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Assessment of the Abdomen II: Percussion01:18

Assessment of the Abdomen II: Percussion

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Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
Percussion
Percussion is an essential...
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Assessment of the Abdomen I: Inspection and Auscultation01:25

Assessment of the Abdomen I: Inspection and Auscultation

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Introduction
The abdominal examination is a cornerstone of clinical medicine, serving as a critical tool in diagnosing various gastrointestinal (GI) diseases. It involves a systematic approach that includes inspection and auscultation, each with distinct yet complementary roles in assessing the abdomen. This article will delve into these two primary methods healthcare professionals use to examine the abdomen.
Inspection of the Abdomen
The first step in any abdominal examination is inspection....
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Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

18.5K
To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
446

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Response to Dr. Kamanahalli's Letter to the Editor.

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Related Experiment Video

Updated: Feb 24, 2026

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
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Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos

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Lumbar spine evaluation: accuracy on abdominal CT.

Mitchell A Klein1

  • 1Department of Radiology, Milwaukee VA Medical Center, 5000 West National Avenue, Milwaukee, WI 53295-1000, WI, USA.

The British Journal of Radiology
|August 24, 2017
PubMed
Summary

Abdominal CT scans can accurately evaluate the lumbar spine, offering valuable insights without additional imaging. This study demonstrates high accuracy in detecting abnormalities, potentially improving patient care.

Area of Science:

  • Radiology
  • Medical Imaging
  • Spine Surgery

Background:

  • Lumbar spine evaluation is crucial for diagnosing various conditions.
  • Magnetic resonance imaging (MRI) is the gold standard for lumbar spine assessment.
  • Abdominal computed tomography (CT) may offer incidental findings of the lumbar spine.

Purpose of the Study:

  • To assess the diagnostic accuracy of abdominal CT for evaluating the lumbar spine.
  • To determine if abdominal CT can reliably detect lumbar spine abnormalities.

Main Methods:

  • Retrospective review of abdominal CT scans from patients who also had lumbar spine MRI.
  • Blinded assessment of CT scans for lumbar spine abnormalities.
  • Comparison of CT findings with MRI reports as the reference standard.

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Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis
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Main Results:

  • 144 patients met inclusion criteria; 107 had 256 abnormal findings on MRI.
  • Abdominal CT demonstrated high sensitivity (89.7%) and specificity (97.3%) for lumbar spine abnormalities.
  • Overall accuracy of abdominal CT for lumbar spine evaluation was 91.7% on a per-patient basis.

Conclusions:

  • Abdominal CT is an accurate tool for evaluating the lumbar spine, despite limitations compared to MRI.
  • Current CT technology enables reliable detection of lumbar spine pathology.
  • Incidental lumbar spine findings on abdominal CT can provide significant additional clinical information.