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39 results for “lymph nodes”
Cutaneous Mast Cell Tumors in Dogs and Cats
Cutaneous mast cell tumors can appear anywhere on the skin or internal organs, most often on the hind legs, perineum, and prepuce. They vary from slow soft lumps to fast hard nodules and may ulcerate. Surgical removal of well-defined tumors is the main treatment.
Melanomas in Dogs and Cats
Melanomas are pigmented tumors that may be benign or malignant, often in dark-skinned dogs such as Cocker Spaniels and Scottish Terriers. They favor the mouth, eyes, rectum, and perineum, with mucosal sites most at risk. Wide removal is used, but malignant forms carry a poor outlook.
Squamous Cell Carcinoma in Dogs and Cats
Squamous cell carcinoma is a skin tumor of the epidermal layer linked to long-term sun exposure and other skin irritation. It is the second most common skin tumor in cats and favors the head, ears, lips, and nose. Wide surgical removal is the main treatment, though it often recurs.
Penile and Preputial Tumors in Dogs and Cats
Tumors of the penis and prepuce are uncommon and, when reported, have been seen only in dogs. Types include papilloma, transmissible venereal tumor, squamous cell carcinoma, fibroma, lymphosarcoma, and hemangioma. Growths may ulcerate, bleed, and produce a foul discharge.
Canine and Feline Gastrointestinal Carcinoma
Gastrointestinal carcinoma is an uncommon but serious gut cancer in dogs and cats; when it arises in the stomach it thickens the wall and leads to ulcers and infection. Early surgical removal offers the best chance, while advanced cases — especially rectal — carry a poor outlook.
Canine and Feline Primary Lung Tumor
A primary lung tumor arises in the lung tissue itself and is seen mainly in older dogs and cats, with signs much like pneumonia — cough, weight loss, and poor appetite. Surgical removal of the affected lobe is the preferred treatment, though long-term outlook is limited.
Canine and Feline Nasal Adenocarcinoma
Nasal adenocarcinoma is a destructive tumor of the nasal lining in dogs and cats, producing a bleeding, pus-tinged discharge and gradually destroying the normal nasal structures. There is no reliably curative treatment, and the prognosis is poor.
Canine and Feline Oral Squamous Cell Carcinoma
Oral squamous cell carcinoma is an aggressive, invasive tumor of the mouth lining in older dogs and cats, usually appearing as a firm, ulcerated white mass on the gums, tongue, or palate. Treatment options are limited and the prognosis is generally poor.
Eosinophilic Myositis in Dogs
Eosinophilic myositis is a recurrent inflammation of the chewing muscles in dogs (often young herding breeds), marked by sudden swelling, eye protrusion, and trouble opening the mouth. It is likely allergic or autoimmune. Anti-allergy and anti-inflammatory care, plus feeding support, are key.
Osteomyelitis in Dogs and Cats
Osteomyelitis is infection and inflammation of bone and marrow, usually from bacteria entering through an open fracture, wound, or the bloodstream. It causes fever, pain, and lameness, and can lead to sepsis if untreated. Long-term antimicrobials and, sometimes, surgery are needed.
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