Canine Melanocytic Neoplasia Management
Summary
Canine melanocytic neoplasia encompasses a spectrum from benign cutaneous melanocytomas to highly aggressive oral and mucosal melanomas. Early diagnosis hinges on careful clinical examination, cytology and confirmatory immunohistochemistry, with markers such as Melan-A, PNL-2 and Ki67 guiding differentiation and prognostication. Surgical excision with clear margins remains the cornerstone of local control, often supplemented by radiotherapy to improve regional management. Conventional chemotherapy has shown limited survival benefit, prompting a shift towards immunotherapeutic and targeted approaches. Gene-based vaccines, monoclonal antibodies and small-molecule inhibitors targeting MAPK and PI3K–AKT pathways are under active investigation. Sentinel lymph node mapping refines staging and directs adjuvant therapy. Prognostic indices combining mitotic count, nuclear atypia, ulceration and proliferation markers support risk stratification. Xenogeneic and spontaneous canine models continue to inform translational research, bridging preclinical findings with human mucosal melanoma studies. Multimodal strategies tailored to tumour location, stage and histological risk factors are now central to optimising outcomes and extending quality of life in affected dogs worldwide.
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Canine Melanocytic Neoplasia Management publication trend
The graph below shows the total number of articles in canine melanocytic neoplasia management across all publications each year (not limited to Nature Index journals).
Technical terms
Melanocytic neoplasm: Tumour arising from melanocyte pigment-producing cells.
Oral mucosal melanoma: Aggressive melanoma subtype originating in the oral or mucosal membranes.
Immunotherapy: Treatment that harnesses the immune system to target cancer cells.
Radiotherapy: Use of ionising radiation to destroy malignant tissue.
Chemotherapy: Systemic administration of cytotoxic drugs to inhibit tumour growth.
Xenogeneic model: Cross-species transplantation of tumour cells into immunocompromised animals for study.
Ki67 index: Proliferation marker indicating percentage of tumour cells in active cell cycle.
Sentinel lymph node: First lymph node receiving drainage from a primary tumour, used for staging.
References
- Establishment of Canine Oral Mucosal Melanoma Cell Lines and Their Xenogeneic Animal Models. Cells (2024).
- The Comparative Oncology of Canine Malignant Melanoma in Targeted Therapy: A Systematic Review of In Vitro Experiments and Animal Model Reports. International Journal of Molecular Sciences (2024).
- Diagnosis and Prognosis of Canine Melanocytic Neoplasms. Veterinary Sciences (2022).
- Sporadic naturally occurring melanoma in dogs as a preclinical model for human melanoma. Pigment Cell & Melanoma Research (2013).
- Treatment of Canine Oral Melanomas: A Critical Review of the Literature. Veterinary Sciences (2022).
About these summaries
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