Publications by authors named "Keiya Kobayashi"
The detailed information between plasma N-terminal pro B-type natriuretic peptide (NT-proBNP) concentrations and dogs with pulmonic stenosis (PS) is still unknown. The aim of the present study was to investigate the clinical utility of measuring plasma NT-proBNP concentrations in dogs with PS and to determine whether plasma NT-proBNP concentration could be used to assess disease severity. This retrospective study enrolled 30 client-owned, untreated dogs with PS (asymptomatic [n=23] and symptomatic [n=7]) and 11 healthy laboratory beagles.
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- A 1-year-old female miniature Dachshund showed severe gastrointestinal issues, including hematochezia, vomiting, and diarrhea, leading to the discovery of a 7-cm mass in the ileum during surgery.
- The histological examination revealed two types of neoplastic lymphoid cells, predominantly medium-sized lymphocytes, and Mott cells filled with pale vacuoles, indicating both B-cell characteristics and signs of immunoglobulin production.
- Genetic tests confirmed monoclonal rearrangement of the immunoglobulin heavy-chain gene, establishing the diagnosis of a B-cell lymphoma, which is rare in such a young dog, as most intestinal lymphomas are typically of T-cell origin.
A free-flying Great Egret (Ardea alba) captured in Gifu, central Japan, in May 2006 had a large mass on the right carpal joint. The tumor was diagnosed as chondrosarcoma by histopathologic examination.
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