Related Experiment Video
Updated: Aug 12, 2026

09:03
The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation
Published on: August 15, 2018
Case report: umbilical foreign-body granuloma in a lamb
1Gedera and the Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Rehovot, Israel.
Berliner Und Munchener Tierarztliche Wochenschrift
|April 6, 1999
Summary
A rare umbilical foreign-body granuloma occurred in a lamb, presenting as a large fibrous mass. Histology revealed plant material causing a significant inflammatory response.
Area of Science:
- Veterinary Pathology
- Comparative Pathology
- Ovine Medicine
Background:
- Umbilical abnormalities can occur in neonatal livestock.
- Foreign-body reactions are a common cause of localized inflammation.
- Granuloma formation indicates a chronic inflammatory process.
Observation:
- A 3-week-old lamb presented with a prominent, large fibrous mass adjacent to the umbilicus.
- The mass bulged significantly above the skin surface.
Findings:
- Histological examination confirmed a foreign-body granuloma.
- The granuloma contained identifiable plant material.
- Surrounding the plant material were numerous histiocytes, plasma cells, multinucleated giant cells, and fibroblasts, indicative of a chronic inflammatory process.
Implications:
- This case highlights the importance of considering foreign-body granulomas in neonatal lambs with umbilical masses.
- Accurate histological identification of the foreign material is crucial for diagnosis and understanding pathogenesis.
- Such findings can inform management strategies for similar conditions in livestock.

