Scapulectomy is an alternative to amputation for tumors arising from the scapula that is not commonly performed. The purpose of this retrospective study was to identify dogs with primary scapular tumors treated with scapulectomy. Inclusion criteria were dogs that had a scapulectomy to treat a primary tumor of the scapula. Cases were submitted by VSSO members. Forty-two dogsmet the inclusion criteria. Themedian agewas 8.3 years and median weight was 34.8 kg. In eighteen dogs (42.9%) a subtotal scapulectomy (removal of ≥ 75% of the scapula) was performed. Osteosarcoma was diagnosed in 27 dogs (64.3%). Limb use was evaluated immediately postsurgery in 41/42 dog and it was poor (15), fair (17), good (7) and excellent (2). Information on limb use at other time post (1, 2 3 and >3 months) postoperatively was also available in some cases and was good to excellent overall. for the parameters assessed for their effect on survival time (ST) and disease free interval (DFI), only the use of adjunctive chemotherapy had a significant effect on ST (P = .0003) and DFI. (P = .00011). Scapulectomy can be performed to remove primary tumors of the scapula and preserve limb function. The most common primary scapular tumor in this study was osteosarcoma. Primarily older, large breed dogs were affected. Although long-term follow-up of limb use was not available in all dogs, limb use was fair to excellent for the majority of dogs in this study. The addition of adjunctive chemotherapy prolonged the DFI and MST.
Scapulectomy for Primary Bone Tumors in 42 Dogs: A Veterinary Society of Surgical Oncology (VSSO) Retrospective Study
BURACCO, Paolo;
2011-01-01
Abstract
Scapulectomy is an alternative to amputation for tumors arising from the scapula that is not commonly performed. The purpose of this retrospective study was to identify dogs with primary scapular tumors treated with scapulectomy. Inclusion criteria were dogs that had a scapulectomy to treat a primary tumor of the scapula. Cases were submitted by VSSO members. Forty-two dogsmet the inclusion criteria. Themedian agewas 8.3 years and median weight was 34.8 kg. In eighteen dogs (42.9%) a subtotal scapulectomy (removal of ≥ 75% of the scapula) was performed. Osteosarcoma was diagnosed in 27 dogs (64.3%). Limb use was evaluated immediately postsurgery in 41/42 dog and it was poor (15), fair (17), good (7) and excellent (2). Information on limb use at other time post (1, 2 3 and >3 months) postoperatively was also available in some cases and was good to excellent overall. for the parameters assessed for their effect on survival time (ST) and disease free interval (DFI), only the use of adjunctive chemotherapy had a significant effect on ST (P = .0003) and DFI. (P = .00011). Scapulectomy can be performed to remove primary tumors of the scapula and preserve limb function. The most common primary scapular tumor in this study was osteosarcoma. Primarily older, large breed dogs were affected. Although long-term follow-up of limb use was not available in all dogs, limb use was fair to excellent for the majority of dogs in this study. The addition of adjunctive chemotherapy prolonged the DFI and MST.
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