Lymphoma in dogs is a malignant disease of the lymphatic system. It involves the malignant transformation of lymphocytes, a specific type of white blood cell that normally plays a vital role in the immune system. Because lymphocytes are found throughout the body, lymphoma in dogs can occur in very different locations. Lymph nodes are frequently affected, but the spleen, liver, intestines, skin, bone marrow, or chest cavity can also be involved.
From a veterinary perspective, a newly appearing, firm, or slowly growing swelling on the lower jaw, at the base of the ear, or on the side of the neck should not be observed for days or weeks in a cat, but rather examined promptly. It is typical for adenocarcinoma of the parotid or mandibular gland (salivary gland cancer) in cats that the change may initially be painless. This often leads owners to wait too long in practice.
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If you suspect your cat has adenocarcinoma of the ceruminous glands of the ear (cancer in the external ear canal), you should consult a veterinarian promptly, within 2 to 3 days. This is especially important if there is unilateral, foul-smelling, or bloody ear discharge, visible pinkish growths in the ear canal, head tilt, dizziness, an uncoordinated gait, frequent scratching of the ear, or enlarged lymph nodes in the head and neck area.
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Mast cell tumors are among the most important skin tumors in small animal medicine. In dogs, mast cell tumors are the most common or one of the most common malignant skin tumors, accounting for approximately 16 to 21 percent of all cutaneous skin tumors, depending on the source. Mast cell tumors also occur in cats, primarily in cutaneous, splenic, or intestinal forms. Internationally recognized veterinary sources such as the Merck Veterinary Manual, the WSAVA, and the VCA describe the clinical presentation as extremely variable: from small, seemingly harmless nodules to aggressive, rapidly growing, ulcerated tumors. (merckvetmanual.com)
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Osteosarcoma in dogs is the most common primary bone tumor in this species and presents veterinarians worldwide with significant clinical challenges. Approximately 85% of all diagnosed bone tumors in dogs are osteosarcomas. Despite decades of research, key questions regarding its pathogenesis, optimal treatment, and long-term survival remain unanswered.
This guideline is based on the current state of the literature and was developed by an international group of experts. Its aim is to support veterinary professionals in evidence-based decision-making – particularly in the management of osteosarcomas of the appendicular skeleton in dogs.
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In veterinary oncology, numerous misconceptions and misunderstandings exist that can unsettle both pet owners and veterinary professionals. These misconceptions often concern tumor behavior and the effects of diagnostic or therapeutic interventions. In this article, we aim to clarify some of these misconceptions to alleviate anxieties and promote effective diagnostics and treatment for our animal patients.
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Leiomyosarcoma is an extremely rare but highly malignant tumor that occurs primarily in the gastrointestinal tract of dogs. Due to its aggressive growth pattern and challenging location, it presents a particular challenge in veterinary treatment. In this article, we would like to provide you with detailed information about leiomyosarcoma in dogs, its symptoms, diagnosis, treatment options, and prognosis.
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Oral tumors are among the most significant health challenges in cats. These tumors, which primarily develop in the oral cavity, can considerably impair the well-being and quality of life of our beloved pets. In this article, we explore the various aspects of this disease, from pathogenesis to treatment, to provide cat owners and veterinarians with a comprehensive understanding.
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Cancer in cats is a serious issue that requires the attention of every cat owner. In this article, we comprehensively cover the symptoms, diagnostic methods, and treatment options to help keep your beloved pet healthy and happy.
In the world of veterinary medicine and immunology, the study of macrophages, particularly in dogs, is an increasingly important topic. Macrophages, which act as key cells of the immune system, play a crucial role in fighting infections and in the development of cancers. This article provides a detailed overview of the latest findings in macrophage research in dogs, with a particular focus on the differentiation and function of these cells in disease states.
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Medicine is constantly making progress and now there is a promising new treatment method for cancer in dogs. CAR-T cell therapy could be a revolutionary way to help our beloved four-legged friends.
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Tumors in pets are a widespread problem that causes great concern for both pet owners and veterinarians. The Arndt Small Animal Center is therefore intensively dedicated to oncology in order to provide animals with cancer the best possible care and treatment. This article presents some of the most common tumors in pets, explains their causes and symptoms, and discusses the various treatment approaches.
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Cancer is a common disease in dogs and can cause both benign and malignant tumors. Since early detection is crucial for successful cancer treatment in dogs, it's important to be informed about potential symptoms and treatment options. This article will discuss the various aspects of cancer in dogs to give you a comprehensive understanding of this disease.
