Related Experiment Videos
Colorectal adenocarcinoma in dogs: 78 cases (1973-1984).
E M Church1, C J Mehlhaff, A K Patnaik
1Department of Surgery, Animal Medical Center, New York, NY 10021.
Journal of the American Veterinary Medical Association
|September 15, 1987
Summary
This study on canine colorectal adenocarcinoma found that annular masses had the shortest survival, while single pedunculated tumors had the longest. Surgical treatments like cryosurgery and excision significantly improved survival times in dogs.
Area of Science:
- Veterinary Oncology
- Canine Cancer Research
Background:
- Colorectal adenocarcinoma is a significant diagnosis in dogs.
- Clinical signs often include tenesmus, hematochezia, and dyschezia, typically presenting within 12 weeks.
Purpose of the Study:
- To analyze survival times in dogs diagnosed with colorectal adenocarcinoma.
- To compare the impact of tumor appearance, location, and surgical treatment on survival.
Main Methods:
- Retrospective analysis of 78 dogs with colorectal adenocarcinoma.
- Tumor classification based on gross appearance (single pedunculated, nodular, annular/intraluminal).
- Evaluation of surgical treatments including cryosurgery, local excision, and biopsy.
Main Results:
- Annular masses had the shortest mean survival (1.6 months), while single pedunculated tumors had the longest (32 months).
- Rectal tumors were more common (48.2% in the middle rectum).
- Surgically treated dogs survived 7-9 months longer than untreated dogs; cryosurgery and local excision yielded the longest survival (24 and 22 months).
Conclusions:
- Tumor appearance and location significantly impact survival in canine colorectal adenocarcinoma.
- Surgical interventions, particularly excision and cryosurgery, offer superior survival outcomes compared to biopsy alone.