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Granulosa cell tumour in two speyed bitches
R K Sivacolundhu1, A J O'Hara, R A Read
1Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia 6150.
Australian Veterinary Journal
|April 17, 2001
Summary
Granulosa cell tumours are uncommon in speyed female dogs, even those spayed young. Incomplete ovarian removal during spaying can lead to these rare ovarian tumours.
Area of Science:
- Veterinary Medicine
- Oncology
- Reproductive Pathology
Background:
- Granulosa cell tumours (GCTs) are uncommon ovarian neoplasms in female dogs (bitches).
- They are considered rare in bitches that have undergone ovariectomy (spaying).
- This report focuses on GCTs in young, previously spayed bitches.
Observation:
- Two cases of GCTs were identified in bitches spayed before one year of age.
- Both affected animals presented with persistent vulval bleeding.
- The GCTs in these cases were relatively small and not easily palpable.
Findings:
- Granulosa cell tumours can occur even after early-age spaying.
- Incomplete ovarian excision during ovariectomy is a potential cause of GCTs in spayed bitches.
- Tumour resection is curative for GCTs without metastasis in previously spayed bitches.
Implications:
- Thorough ovarian tissue excision during ovariectomy is crucial to prevent GCT development.
- Persistent vulval bleeding in spayed bitches warrants investigation for potential GCTs.
- Early detection and surgical removal offer a positive prognosis for GCTs in spayed dogs.