Cutaneous lymphoma in a juvenile dog

Ul Soo Choi1, Seong Mok Jeong, Min-Soo Kang

  • 1Department of Clinical Pathology, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea.

Insights

This study reports the first case of a solitary nodular cutaneous lymphoma in a young Doberman Pinscher. The T-lymphocyte cancer was successfully treated with surgery, with no recurrence observed.

Area of Science:

  • Veterinary Oncology
  • Dermatopathology
  • Canine Neoplasia

Background:

  • Cutaneous lymphoma in dogs can present in various forms.
  • Early and accurate diagnosis is crucial for effective treatment and prognosis.
  • T-lymphocyte lymphoma is a significant subtype of canine lymphoma.

Observation:

  • An 18-month-old Doberman Pinscher presented with a solitary, erythematous, nodular skin mass on its forelimb.
  • Cytologic examination and histopathology confirmed the mass as cutaneous lymphoma.
  • Immunohistochemistry identified the neoplastic cells as T lymphocytes (CD3 positive, CD79a negative).

Findings:

  • The canine cutaneous lymphoma was a solitary nodular form, originating from T lymphocytes.
  • Surgical excision was performed for the mass.
  • No tumor recurrence was observed 18 months post-surgery, indicating successful treatment.

Implications:

  • This case highlights a rare presentation of canine cutaneous lymphoma in a young dog.
  • It underscores the importance of immunohistochemistry in differentiating lymphoma subtypes.
  • The successful surgical outcome suggests this may be a viable treatment option for solitary nodular forms.

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