What is your diagnosis? Portocaval shunt.

摘要

In healthy Salukis, serum concentrations of total thyroxine (T-4), free T-4, total triiodothyronine (T-3), free T-3, and thyroid-stimulating hormone (TSH) and antibodies against thyroglobulin and thyroid hormones were assayed.Results-Records indicated hypothyroidism had been diagnosed in 303 (76.1%) sighthounds on the basis of low serum thyroid hormone concentrations alone and in 30 (75%) others despite all thyroid hormone indices being within reference limits. Only 65 (16.3%) dogs had a high TSH concentration or positive thyroglobulin autoantibody result to support the diagnosis. In healthy Salukis, median (reference limits) serum concentrations of total T-4, free T-4, total T-3, free T-3, and TSH were 13.0 nmol/L (2.8 to 40.0 nmol/L), 12.0 pmol/L (2.0 to 30.3 pmol/L), 1.0 nmol/L (0.4 to 2.1 nmol/L), 4.0 pmol/L (1.6 to 77 pmol/L), and 0.18 ng/mL (0 to 0.86 ng/mL), respectively.