This study evaluates a series of dogs diagnosed with grade 2 cutaneous mast cell tumors (MCTs) with concurrent lymph node (LN) metastasis. All dogs had surgical excision of the primary tumor. The presence of metastasis was confirmed with either histopathology (n = 35) or cytology (n = 20). There was no significant difference in survival times (STs) between dogs with and without LN metastasis. Median survival time (MST) was not reached at 65.9 mo. LN palpation was a poor predictor of metastasis (sensitivity, .71; specificity, .54). Tumor location was the only prognostic factor for survival in this series of dogs. ST was greater for dogs that had removal of their metastatic LN. This study suggests that in dogs with grade 2 MCTs, outcome may not be affected by the presence of LN metastasis; however, removal of the metastatic LN may prolong survival.
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March/April 2014
Retrospective Studies|
March 01 2014
The Prognostic Value of Lymph Node Metastasis with Grade 2 MCTs in Dogs: 55 Cases (2001–2010)
Heather Baginski, DVM;
Surgery Department, Red Bank Veterinary Hospital, Tinton Falls, NJ (H.B., G.D.); and Department of Mathematics, Monmouth University, West Long Branch, NJ (R.B.).
Correspondence: [email protected] (H.B.)
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Garrett Davis, DVM, DACVS;
Garrett Davis, DVM, DACVS
Surgery Department, Red Bank Veterinary Hospital, Tinton Falls, NJ (H.B., G.D.); and Department of Mathematics, Monmouth University, West Long Branch, NJ (R.B.).
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Richard P. Bastian, PhD
Richard P. Bastian, PhD
Surgery Department, Red Bank Veterinary Hospital, Tinton Falls, NJ (H.B., G.D.); and Department of Mathematics, Monmouth University, West Long Branch, NJ (R.B.).
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J Am Anim Hosp Assoc (2014) 50 (2): 89–95.
Citation
Heather Baginski, Garrett Davis, Richard P. Bastian; The Prognostic Value of Lymph Node Metastasis with Grade 2 MCTs in Dogs: 55 Cases (2001–2010). J Am Anim Hosp Assoc 1 March 2014; 50 (2): 89–95. doi: https://doi.org/10.5326/JAAHA-MS-5997
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