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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog Veterinary
Satisfied Customers: 29713
Experience:  University of California at Davis graduate veterinarian with 45 years of experience
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Soft lump on side of dogs neck that responded to doxycycline

Customer Question

Soft lump on side of dogs neck that responded to doxycycline and prednisone, but came back repeatedly. Not responding this time. Soft movable mass size of golf all. No sensitivity...
Submitted: 2 years ago.
Category: Dog Veterinary
Expert:  Dr. Michael Salkin replied 2 years ago.
Aloha! You're speaking to Dr. Michael Salkin
The response to a combination of the antibiotic doxycycline and corticosteroid prednisone leaves us wondering if the lump represented an infection responsive to an antibiotic or a sterile inflammatory lesion (cyst, granuloma, inflamed tumor, e.g.) responsive to the antiinflammatory steroid. Now that the lump is unresponsive to either drug, we need to clarify what that lump indicates. That's done by needle aspirating it and examining the aspirate microscopically. An abundance of fluid would indicate a cyst. An abundance of cells would indicate a tumor or granuloma. If the lump turns out to be mostly cellular, it would be more expedient to surgically remove it en toto (completely) and then have our pathologist section it for biopsy.
Please respond with further questions or concerns if you wish.