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Related Concept Videos

Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Ultrasonography01:17

Ultrasonography

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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...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

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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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Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Imaging of the umbilicus.

Fumiko Yagi1, Hirotaka Akita2, Yoshitake Yamada2

  • 1Department of Diagnostic Radiology, Keio University School of Medicine, Tokyo, Japan. fumikoyagi@rad.med.keio.ac.jp.

Abdominal Radiology (New York)
|May 27, 2025
PubMed
Summary

This review categorizes umbilical diseases by embryonic remnants, including urachal and omphalomesenteric duct anomalies. Understanding these conditions and their imaging is vital for timely diagnosis and treatment of umbilical disorders.

Keywords:
Omphalomesenteric ductRound ligament of the liverUmbilical arteryUmbilical veinUmbilicusUrachus

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Area of Science:

  • Embryology
  • Pathology
  • Radiology

Background:

  • The umbilicus, a remnant of the umbilical cord, harbors embryonic structures that can cause postnatal diseases.
  • It serves as a critical conduit for vascular and lymphatic flow, making it susceptible to various pathologies.
  • Umbilical diseases stem from persistent embryonic remnants, impacting multiple organ systems.

Purpose of the Study:

  • To categorize umbilical diseases based on their embryological origins.
  • To review anomalies arising from urachal remnants, omphalomesenteric duct, and umbilical vessels.
  • To highlight the role of imaging in diagnosing and managing these diverse umbilical conditions.

Main Methods:

  • Literature review focusing on embryological development and associated pathologies.
  • Categorization of diseases based on specific embryonic remnants (urachus, omphalomesenteric duct, umbilical vessels).
  • Summary of imaging findings for key umbilical lesions and congenital anomalies.

Main Results:

  • Urachal anomalies include patent urachus and cysts; urachal carcinoma is a rare malignancy.
  • Omphalomesenteric duct anomalies, like Meckel's diverticulum, are common gastrointestinal findings.
  • Obliterated umbilical vessels and umbilical ring defects (gastroschisis, omphalocele) present diverse clinical scenarios.

Conclusions:

  • A comprehensive understanding of embryological origins is essential for diagnosing umbilical diseases.
  • Imaging modalities like ultrasound, CT, and MRI are critical for accurate diagnosis and management.
  • Effective management relies on recognizing the link between embryonic remnants and specific postnatal conditions.