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Related Concept Videos

Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Caudal lumbar subarachnoid diverticulum in a Cockapoo.

Joe Poacher1, Paul Freeman1

  • 1The Queen's Veterinary School Hospital, University of Cambridge, Department of Clinical Veterinary Medicine, Cambridge CB30ES, United Kingdom.

Journal of Veterinary Internal Medicine
|February 26, 2026
PubMed
Summary
This summary is machine-generated.

A Cockapoo experienced a subarachnoid diverticulum, a dural sac dilation mimicking disc extrusion. Surgical decompression led to a full clinical recovery, highlighting successful treatment for this rare condition.

Keywords:
dogintervertebral disc extrusionlumbarsubarachnoid diverticulum

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Area of Science:

  • Veterinary Neurology
  • Comparative Pathology

Background:

  • Subarachnoid diverticula (SAD) are rare congenital or acquired dural sac dilations.
  • Type III SADs, characterized by circumferential dural sac dilatation, can present with neurological deficits.
  • Clinical presentation of SAD can mimic more common conditions like intervertebral disc extrusion.

Purpose of the Study:

  • To report a case of Type III subarachnoid diverticulum in a Cockapoo.
  • To detail the diagnostic imaging and surgical findings.
  • To illustrate the successful clinical outcome following surgical intervention.

Main Methods:

  • Magnetic resonance imaging (MRI) was used to characterize the lesion.
  • Exploratory dorsal laminectomy and durotomy were performed for surgical confirmation and decompression.
  • Clinical assessment before and after surgery evaluated treatment efficacy.

Main Results:

  • MRI revealed a Type III subarachnoid diverticulum at L6-L7 with cerebrospinal fluid characteristics.
  • Surgical exploration confirmed the diverticulum and allowed for decompression.
  • The dog experienced complete clinical resolution of signs post-surgery.

Conclusions:

  • Subarachnoid diverticulum is a treatable cause of neurological signs in dogs.
  • Advanced imaging like MRI is crucial for diagnosis.
  • Surgical decompression offers a favorable prognosis for affected animals.