Pituitary Gland Anterior Pituitary Anterior Pituitary HORMONS
?? Posterior Pituitary Posterior Pituitary HORMONS ??Diseases
Non-neoplastic Too much hormone Too little hormone SOL Benign
Malignant
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Clinical Manifestation Hyperpituitarism Adenoma, Hyperplasia
& Carcinoma Hypopituitarism Ischemia, Surgery, inflammation
& nonfunctional pituitary adenoma Local Mass Effect Visual
field abnormalities, elevated ICP
Hyperthyroidism Most common causes Diffuse hyperplasia of
thyroid MNG Adenoma of thyroid Clinical features
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Hypothyroidism Most common causes Congenital Hashimoto
thyroiditis Iodine deficiency Drugs Surgery Clinical features
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Hashimoto's thyroiditis
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Subacute granulomatous thyroiditis
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Colloid Cysts
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Grave's disease
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follicular adenoma
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papillary carcinoma
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Papillary thyroid carcinoma
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papillary carcinoma
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follicular CA
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Medullary carcinoma
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Remember about papillary CA Most common type 60-80 % Papillary
projections, tumor cells with Orphan Annie nuclei & psammoma
bodies Best prognosis Lymph nodes metastasis
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Remember about follicular CA 17 % of all CA Consist of cell
forms follicles More male incidence Bloodstream metastasis ( BONE
)
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Remember about Medullary CA 6% only Originate from C cell
Sheets of tumor cells in an amyloid containing stoma Associated
with MEN syndrome