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Related Concept Videos

Acute Pancreatitis II: Clinical Manifestations and Management01:30

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Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
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Acute Pancreatitis I: Introduction01:27

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Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
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Related Experiment Video

Updated: Jan 16, 2026

Catheterization of Intestinal Loops in Ruminants
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Pituitary Abscess Syndrome in Ruminants: Nine Cases.

Gabriele Maroneze1, Liz de Albuquerque Cerqueira2, José Renato Junqueira Borges1

  • 1Large Animal Veterinary Teaching Hospital, College of Agronomy and Veterinary Medicine, Universidade de Brasília, Brasilia 70636-200, DF, Brazil.

Animals : an Open Access Journal From MDPI
|September 27, 2025
PubMed
Summary
This summary is machine-generated.

Pituitary abscess syndrome (PAS) in ruminants presents with severe neurological signs. This study details nine cases, identifying Trueperella pyogenes as a common cause and highlighting key diagnostic findings.

Keywords:
empyema basilarlivestockpituitary glandsuppurative intracranial processes

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Area of Science:

  • Veterinary Neurology
  • Ruminant Pathology
  • Infectious Diseases

Background:

  • Pituitary abscess syndrome (PAS) is a rare neurological disorder affecting the cerebrum and brainstem.
  • Understanding PAS in ruminants is crucial for global veterinary knowledge.
  • Limited data exists on PAS specifically in ruminant populations.

Purpose of the Study:

  • To describe the epidemiological, clinical, laboratory, microbiological, and pathological features of PAS in nine ruminant cases.
  • To enhance the recognition and diagnostic understanding of PAS in ruminants.
  • To contribute to the global veterinary understanding of this rare condition.

Main Methods:

  • Retrospective case series analysis of nine ruminant animals diagnosed with PAS.
  • Review of clinical, hematological, serum biochemical, cerebrospinal fluid (CSF), microbiological, gross pathological, and histopathological data.
  • Identification of causative microorganisms through culture.

Main Results:

  • Neurological signs were prominent, including altered mentation, blindness, and proprioceptive deficits.
  • Hematological findings included leukocytosis with neutrophilia and hyperfibrinogenemia in some cases.
  • Microbiological cultures identified Trueperella pyogenes, Streptococcus spp., and Corynebacterium spp. in CSF or abscess material.
  • Pathology revealed pituitary abscesses or suppurative inflammation with neutrophilic infiltration and necrosis.

Conclusions:

  • PAS in ruminants is characterized by significant neurological dysfunction and specific inflammatory and microbiological findings.
  • Trueperella pyogenes is a key pathogen implicated in ruminant PAS.
  • This study provides valuable insights for improved diagnosis and management of PAS in ruminant species.