STEEPLECHASE - ENDOCRINE Flashcards
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Pituitary gland
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Plasma cell
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Lymphocyte - large nucleus
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Lymphoplasmacytic hypophysitis
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Equine pituitary pars intermedia dysfunction
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Foetus produced due to disruption of foetal endocrine function from veratrum californicum consumption by ewe
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Rathke’s cleft cyst
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Goitre - non-neoplastic enlargement of thyroid gland
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Congenital goitre - massive TSH-induced hyperplastic goitre due to congenital hypothyroidism
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Thyroid C-cell neoplasia
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Thyroid C-cell neoplasia, cow
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Thyroid adenoma
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Hyperparathyroidism
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Fibrous osteodystrophy
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Pseudohyperparathyroidism
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Adrenal cortex
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Pituitary-dependent hyperadrenocorticism
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Adrenal-dependent hyperadrenocorticism
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Iatrogenic hyperadrenocorticism
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Ectopic ACTH secretion
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Smaller heart (microcardia) due to dehydration (hypovolaemia) - hypoadrenocorticism (Addison’s)
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Malignant - invasion of the caudal vena cava, pheochromocytoma of adrenal glands (chromaffin cells)
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Pancreatic islets
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Nesidioblastosis
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Heart base tumour
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Paraganglioma
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Paraganglioma
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Paraganglioma
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Paraganglioma on tongue
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Reticular stain - supporting fibrous cells stained of paraganglioma
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Paraganglioma, tongue
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Paraganglioma, tongue
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Heart base tumours derived from ectopic thyroid, more hyperchromatic nuclei + eosinophilic cytoplasm
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Paraganglioma
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Paraganglioma
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Chemodectoma / paraganglioma
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Malassezia dermatitis
What is the DDx?
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Myxoedema - tragic facial expression = emergency
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Dermal atrophy due to malnutrition or endocrinopathies (hypothyroidism,
hyperadrenocorticism)
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Dermal atrophy due to malnutrition or endocrinopathies (hypothyroidism,
hyperadrenocorticism)
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Calcinosis cutis - clinical sign of hyperadrenocorticism
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Hyperadrenocorticism
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Hyperadrenocorticism
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PPID - hyperhidrosis = excessive sweating
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Alopecia X
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Pancreas - severe infiltration w/ T lymphocytes within a pancreatic islet, cat w/ diabetes mellitus
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Pancreas - islet amyloidosis, cat w/ diabetes mellitus
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Adrenal gland
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Adrenal gland
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Pheochromocytoma, functional - production of catecholamines -> tachycardia, oedema, cardiac hypertrophy, paroxysmal hypertension (may be cardiovascular and retinal lesions)
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Pituitary gland, pars intermedia: adenoma (functional)
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Parathyroid gland
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Thyroid - RBCs + few scattered thyroid follicles w/ colloid, not diagnostic
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Thyroid
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Capsule not easy to visualise, partial biopsy, no vascular invasion, no pleomorphism
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