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Veterinary Endocrinology
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Pheochromocytoma
Symptoms: High blood pressure, rapid heart rate, panting. Diagnosis: Measurement of catecholamine levels, imaging studies. Treatment: Surgical removal of the tumor, medical management of blood pressure.
Cushing's Disease (Hyperadrenocorticism)
Symptoms: Increased appetite, thirst, and urination; pot-bellied appearance. Diagnosis: Low-dose dexamethasone suppression test or ACTH stimulation test. Treatment: Medications or surgery to remove adrenal tumor.
Addison's Disease (Hypoadrenocorticism)
Symptoms: Lethargy, vomiting, diarrhea, low blood pressure. Diagnosis: ACTH stimulation test. Treatment: Hormone replacement therapy with glucocorticoids and mineralocorticoids.
Hypothyroidism
Symptoms: Lethargy, weight gain, and skin problems. Diagnosis: Blood tests measuring T4 levels. Treatment: Thyroid hormone replacement therapy.
Hyperthyroidism
Symptoms: Weight loss, increased appetite, and hyperactivity. Diagnosis: Elevated T4 levels in blood tests. Treatment: Medications, radioactive iodine therapy, or surgery.
Acromegaly
Symptoms: Enlargement of the paws, face, and organs; diabetes symptoms. Diagnosis: Elevated growth hormone levels, imaging studies. Treatment: Surgery, radiation therapy, medical management.
Diabetes Mellitus
Symptoms: Excessive thirst, hunger, and urination; weight loss. Diagnosis: Elevated fasting blood glucose and urine glucose. Treatment: Insulin therapy, diet modification.
Insulinoma
Symptoms: Weakness, seizures, collapse. Diagnosis: Low fasting blood glucose, high insulin levels. Treatment: Surgical removal of the tumor, management of hypoglycemia.
Primary Hypoparathyroidism
Symptoms: Muscle tremors, seizures, stiff gait. Diagnosis: Low blood calcium, high phosphorus levels, low parathyroid hormone. Treatment: Calcium and vitamin D supplementation.
Pituitary Dwarfism
Symptoms: Stunted growth, retention of puppy coat, infertility. Diagnosis: Low growth hormone levels, genetic testing in some breeds. Treatment: Hormone replacement therapy, supportive care.
Hypoglycemia
Symptoms: Weakness, tremors, seizures. Diagnosis: Low blood sugar measurements. Treatment: Glucose supplementation orally or intravenously, addressing underlying cause.
Thyroid Carcinoma
Symptoms: Neck mass, hoarseness, difficulty breathing or swallowing. Diagnosis: Biopsy, imaging techniques. Treatment: Surgical removal, I-131 therapy, radiation therapy.
Calcium Homeostasis Disorders (e.g., Milk Fever in cows)
Symptoms: Muscle weakness, low body temperature, recumbency. Diagnosis: Low serum calcium levels. Treatment: Intravenous calcium solutions.
Thyroid Neoplasia
Symptoms: Palpable neck mass, sometimes coughing or changed bark. Diagnosis: Fine needle aspiration, imaging, hormone levels assessment. Treatment: Surgery, possible I-131 therapy or chemotherapy.
Diabetic Ketoacidosis
Symptoms: Vomiting, dehydration, lethargy. Diagnosis: High blood glucose levels, ketonuria. Treatment: Insulin therapy, fluid and electrolyte replacement.
Estrous Cycle Disorders
Symptoms: Irregular heat cycles, infertility. Diagnosis: Hormone measurements, reproductive tract examination. Treatment: Depends on cause; can include hormone therapy or surgery.
Hyperaldosteronism
Symptoms: Increased thirst and urination, weakness, hypertension. Diagnosis: Elevated aldosterone levels, blood chemistry, imaging. Treatment: Surgery for adrenal tumors, aldosterone antagonists, supportive care.
Feline Hyperesthesia Syndrome
Symptoms: Skin twitching, vocalizations, erratic behavior. Diagnosis: Rule out endocrine and other disorders, behavioral assessment. Treatment: Anti-convulsants, environmental modifications.
Ovarian Remnant Syndrome
Symptoms: Signs of estrus post-spaying, possible vaginal discharge. Diagnosis: Hormone assays indicating active ovarian tissue, exploratory surgery. Treatment: Surgical removal of leftover ovarian tissue.
Secondary Hypoparathyroidism (Nutritional)
Symptoms: Similar to primary hypoparathyroidism. Diagnosis: Blood tests show imbalances in calcium, phosphorus, and Vitamin D. Treatment: Dietary management and calcium supplementation.
Testicular Tumors
Symptoms: Swollen testicle(s), feminization, infertility. Diagnosis: Physical examination, ultrasound, hormonal assays. Treatment: Orchiectomy, chemotherapy for metastatic disease.
Hyperparathyroidism
Symptoms: Increased thirst and urination, softening of bones, kidney stones. Diagnosis: High blood calcium, elevated PTH. Treatment: Surgical removal of affected parathyroid glands, dietary management.
Polycystic Ovary Syndrome (PCOS)
Symptoms: Infrequent or prolonged estrous cycles, obesity, sometimes excessive hair growth. Diagnosis: Ultrasound of ovaries, hormone level assessments. Treatment: Weight management, possibly ovarian drilling or hormone therapy.
Congenital Hypothyroidism
Symptoms: Dwarfism, mental dullness, thickened facial features. Diagnosis: Low thyroid hormone levels at a young age. Treatment: Lifelong thyroid hormone replacement.
Adrenal Sex Hormone Imbalance
Symptoms: Hair loss, swollen vulva or prepuce, secondary urinary tract infections. Diagnosis: Hormone assays, imaging studies. Treatment: Medication to control hormone production, surgery for tumors.
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