Day r survival version5/30/2023 ![]() The median survival for all dogs was 232 days (0–1658). Eleven dogs were diagnosed with a nonfunctional pituitary adenoma (NFPA). ![]() Eight dogs had a tumor imaging classification of 5B. The mean pituitary to brain ratio (P/B ratio) was 1.05 (0.6–1.4). The majority of dogs presented for mentation change (12/15). Owners of dogs that survived to discharge were contacted. Magnetic resonance (MR) imaging was rereviewed, and tumors were classified using the previously described system according to pituitary tumor extension and vascular involvement. Medical records of dogs that underwent TSH for a NFSM were reviewed for clinical signs, physical and neurological examination findings, diagnostic imaging results, endocrine testing, surgery reports, and outcome. To characterize the clinical features, neurological examination findings, diagnostic imaging results, histopathological findings, and outcome following transsphenoidal hypophysectomy (TSH) in dogs with nonfunctional sellar masses (NFSM).
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June 2023
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