Mammary gland tumor
Summary
Location: One or more mammary glands
Behavior: Large variation
Diagnostics: Cytology, histology, ultrasound, radiography
Treatment: Surgery ± sterilizing
Prognosis: Large variation. Large number can be cured with appropriate surgery.
Pictures
Here you can find pictures of dogs with this tumor type. These images may be unsuited for sensitive viewers.
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This tumor can form a small tissue mass between the hind legs, as indicated here.
But also take on large forms (the large tissue mass at the center is a mammary gland tumor).
Or affect multiple mammary glands. This is an extreme example.
The ulcerated tissue mass is an ulcerated mammary gland tumor.
References
  1. Sorenmo KU, Worley DR, Goldschmidt MH. Tumors of yhe Mammary Gland. Withrow and MacEwen's Small Animal Clinical Oncology, 5th edition, Chapter 27 (p 538-552)
  2. Fazekas J, Fürdös I, Singer J, Jensen-Jarolim E. Why man's best friend, the dog, could also benefit from an anti-HER-2 vaccine.Oncology Letters 2016 Oct;12(4):2271-2276
  3. Biller B, Berg J, Garrett L, Ruslander D, Wearing R, Abbott B, Patel M, Smith D, Bryan C. 2016 AAHA Oncology Guidelines for Dogs and Cats. Veterinary Practice Guidelines