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Related Concept Videos

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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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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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.
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Ultrasonographic Assessment of the Lungs in Asiatic Elephants (Elephas maximus).

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High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
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A Sonographic Reticulonodular Pattern Is Likely a Normal Finding in Kitten Spleens Using a High-Frequency Linear

Catana M Capps1, Alison M Lee1, Marc A Seitz1

  • 1Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Starkville, Mississippi, USA.

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
|November 21, 2025
PubMed
Summary
This summary is machine-generated.

A reticulonodular splenic pattern, often seen in puppies, is also a normal finding in healthy young cats and kittens up to 1.5 years old. This ultrasonographic pattern should not be mistaken for pathology in feline patients.

Keywords:
catfelineheterogeneousmottledultrasound

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Area of Science:

  • Veterinary Medicine
  • Diagnostic Imaging
  • Comparative Pathology

Background:

  • A reticulonodular splenic pattern, characterized by hypoechoic nodules, is typically linked to various pathologies but recognized as a normal variant in young canines.
  • This pattern's presence and significance in young felines have not been well-established.

Purpose of the Study:

  • To investigate if healthy kittens exhibit a reticulonodular splenic pattern similar to that observed in puppies.
  • To characterize the ultrasonographic appearance of spleens in healthy kittens across different age groups.

Main Methods:

  • Prospective, descriptive study involving 50 healthy kittens (0-1.5 years old) and 67 spleens.
  • High-frequency linear transducer used for ultrasonography.
  • Splenic patterns graded from 1 (homogeneous) to 4 (large nodules >25%).

Main Results:

  • A reticulonodular pattern was identified in 92% of kitten spleens, with grade 2 being most frequent.
  • Highest pattern grades were observed in kittens aged 0-4 months.
  • A reticulonodular pattern persisted in many cats up to 1.5 years, with a negative association between age and pattern grade after 4 months.

Conclusions:

  • The ultrasonographic reticulonodular splenic pattern appears to be a normal finding in young cats and kittens.
  • This pattern should not be misdiagnosed as pathological in feline patients.
  • Findings suggest a potential age-related ultrasonographic variant in feline spleens similar to canines.