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Animal Osteosarcoma Treatment Branson MO

Muffin, an 8-year-old female Rottie, presents with a two-week history of right front leg lameness. The physical exam is within normal limits except for a firm mass on the distal forearm, which is painful on palpation. You suspect a tumor.

Kirbyville Veterinary Clinic
(417) 336-3344
4525 E State Hwy 76
Kirbyville, MO

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Elm Point Animal Hospital
(636) 851-9074
3250 Elm Point Industrial Dr
Saint Charles, MO
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$20 off first exam for new clients.
Hours
Monday 7:00 AM - 8:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 8:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 7:00 AM - 1:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Animal Microchipping, Declawing, Emergency Veterinary Clinic, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Docking, Veterinary Euthanasia, Veterinary House Calls, Veterinary Surgery

Bridgeton Animal Hospital
(314) 684-8638
3148 Mckelvey Rd
Bridgeton, MO
Hours
Monday 8:00 AM - 7:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 7:00 PM
Thursday 8:00 AM - 6:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 1:00 PM
Sunday Closed
Services
Animal Flea Control, Animal Microchipping, Declawing, Emergency Veterinary Clinic, Exotic Animal Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery

Chesterfield Veterinary Center
(314) 472-5788
14161 Olive Blvd
Chesterfield , MO
Hours
Monday 8:00 AM - 6:00 PM
Tuesday 8:00 AM - 7:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 7:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 2:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Microchipping, Declawing, Emergency Veterinary Clinic, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery, Veterinary Vaccinations

Rock Road Animal Hospital
(314) 488-2386
9418 St Charles Rock Rd
Saint Louis, MO
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Ask about Packages and Special Offers
Hours
Monday 6:30 AM - 8:00 PM
Tuesday 6:30 AM - 8:00 PM
Wednesday Closed
Thursday 6:30 AM - 8:00 PM
Friday 6:00 AM - 6:00 PM
Saturday 8:00 AM - 4:00 PM
Sunday 9:00 AM - 3:00 PM
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Microchipping, Declawing, Emergency Veterinary Clinic, Exotic Animal Vet, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery

Belton Animal Clinic And Exotic Care Center
(816) 974-8926
1308 N. Scott Ave
Belton, MO
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New clients receive $10 off services during their first visit when they mention this ad!
Hours
Monday 8:00 AM - 7:00 PM
Tuesday 8:00 AM - 7:00 PM
Wednesday 8:00 AM - 7:00 PM
Thursday 8:00 AM - 7:00 PM
Friday 8:00 AM - 7:00 PM
Saturday 8:00 AM - 1:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Animal Microchipping, Bird Vet, Declawing, Emergency Veterinary Clinic, Exotic Animal Vet, Holistic Veterinary Medicine, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Surgery

Ferguson Animal Hospital
(314) 666-7109
483 Airport Road
Ferguson, MO
Hours
Monday 9:00 AM - 4:00 PM
Tuesday 9:00 AM - 4:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 4:00 PM
Friday 9:00 AM - 4:00 PM
Saturday 9:00 AM - 12:00 PM
Sunday Closed
Services
Animal Flea Control, Animal Microchipping, Declawing, Exotic Animal Vet, Holistic Veterinary Medicine, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery

Valley Veterinary Svc
(573) 312-0970
11577 County Road 170
Montgomery City, MO
Hours
Monday 7:00 AM - 5:00 PM
Tuesday 7:00 AM - 5:00 PM
Wednesday Closed
Thursday 7:00 AM - 5:00 PM
Friday 7:00 AM - 5:00 PM
Saturday 8:00 AM - 12:00 PM
Sunday Closed
Services
24-Hour Vet, Animal Daycare, Animal Flea Control, Animal Microchipping, Bird Vet, Declawing, Emergency Veterinary Clinic, Equine Vet, Exotic Animal Vet, Holistic Veterinary Medicine, Large Animal Vet, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Cropping, Veterinary Dentistry, Veterinary Docking, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery, Veterinary Vaccinations

Normandy Animal Hospital
(314) 884-8990
7626 Florissant Road
Saint Louis, MO
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Free heartwom prevention and dewormer for your pet for new clients! Yes, cats also get worms and heartworms. Call today for details.
Hours
Monday 9:00 AM - 6:00 PM
Tuesday 9:00 AM - 6:30 PM
Wednesday 9:00 AM - 6:30 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday 9:00 AM - 2:00 PM
Sunday Closed
Services
Animal Microchipping, Bird Vet, Equine Vet, Exotic Animal Vet, Large Animal Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Surgery, Veterinary Vaccinations

Animal Care Clinic
(636) 498-9156
1750 E 5th St
Washington, MO
Hours
Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 7:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM
Saturday 8:00 AM - 12:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Microchipping, Declawing, Emergency Veterinary Clinic, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery

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Managing Animals with Osteosarcoma

Muffin, an 8-year-old female Rottie, presents with a two-week history of right front leg lameness. The physical exam is within normal limits except for a firm mass on the distal forearm, which is painful on palpation. You suspect a tumor.

How would you approach this case? What are your rule-outs?

A: A suspicious lesion in the right radius of Muffin, an 8-year-old female Rottie. Photo by Dr. Phil Zeltzman
Radiographs of the distal radius and ulna are the next logical step. They reveal a lytic and proliferative lesion with soft-tissue swelling (see photo A). Malignant long bone tumors include osteosarcoma (about 85 percent of the time), chondrosarcoma (5 percent), fibrosarcoma (5 percent) and hemangiosarcoma (5 percent). There is a small chance of a metastatic lesion. If this were a benign lesion, it could be an osteoma, chondroma or bone cyst. It also could be osteomyelitis from a bacterial or fungal infection.

Euthanasia offered as a sole treatment option is not ethically acceptable and medically recommended in 2010. Primary bone cancer is a treatable condition that requires a thorough work-up before irreversible decisions are made.

A standard work-up should include:

  • CBC and chemistry. An increased alkaline phosphatase may be correlated with a poorer prognosis in cases of osteosarcoma. (See JAVMA, 1998, Vol. 213.)
  • Three views of the thorax, to detect visible metastasis (macro-metastasis).
  • A bone biopsy.
  • Fungal and bacterial cultures of the bone.

The timing of bone biopsy is debatable. If the clinician is convinced that the lesion is consistent with osteosarcoma, or if the client has financial constraints, an open discussion should take place about the pros and cons of performing an amputation without the benefit of a prior biopsy.

If amputation is elected, then a biopsy and cultures should be harvested afterward to confirm the suspicion. This is a huge leap of faith for the client, so it is important to document what was discussed and what the client chose.

How It’s Done

Should a biopsy be preferred first, then the surgery site is shaved, scrubbed and draped. A stab incision is performed in the skin. A hemostat or periosteal elevator is used to approach the bone. Several cores of bone are sampled with a Jamshidi needle (see photo B) or a Michelle trephine.

It is prudent to use the smallest needle possible to decrease the chances of a pathological fracture of the bone. This is why most surgeons prefer Jamshidi needles. They are available from a variety of manufacturers. A 4-inch, 8 to 11 G needle is often used.

The needle and its sharp stylet are placed on the bone and a small indentation is made. The stylet is removed, and cores of bone are harvested using a rotational motion in various directions. The first cortex and the entire medullary cavity are biopsied.

Maintain Bone’s Strength

B: Bone biopsy with a Jamshidi needle in a 4-year-old Labrador with osteo...

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