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12 PATHOLOGY OF THE ENDOCRINE SYSTEM - Coggle Diagram
12 PATHOLOGY OF THE
ENDOCRINE SYSTEM
ต่อมเพศ (gonads)
Parathyroid glands
นิยาม
Parathyroid hormone (PTH) ทำหน้าที่เพิ่ม Ca + ลด PO4
Hypofunction
Hypoparathyroidism
Post-surgical Hypoparathyroidism
Familial hypoparathyroidism
Idiopathic hypoparathyroidism
อาการและอาการแสดง
Tetany : Perioral-distal extremities paresthesia,
Treatment = Calcium replacement, PTH
replacement
Hyperfunction
Primary
1 – 2% of population
Female > male
Adenoma (80-85%)
Hyperplasia (15%)
Asymptomatic (80%)
Bone pain
Thymus gland
Adrenals gland
Hypofunction
Hypoaldosteronism
Hypoandrogenemia
Primary Adrenal insufficiency
(Addison’s disease)
Etiology
Primary AI
Secondary AI
Management
Glucocorticoid replacement :
Hydrocortisone,Prednisolone PO
Mineralocorticoid replacement : Fludrocortisone
Hyperfunction
Primary hyperaldosteronism
(Conn’s syndrome)
Primary aldosteronism
Aldosterone-producing adenoma (APA) - 30%
Suspected Primary Aldosteronism (PA)
Investigation
Plasma aldosterone concentration (PAC)
Treatments
Surgery
Medication
Adrenal Cushing’s syndrome (ACTH independent)
Pheochromocytoma
Tumor of adrenal chromaffin cells
Treatments
Surgery
Medication
Hyperandrogenemia
Pancreas
Hypofunction
Type 1 Diabetes (Insulin dependent DM)
(Destruction of B-cells)
Type 2 Diabetes (Non-insulin dependent DM)
(Reduced insulin production)
Classification of DM
Type 1 diabetes
Type 2 diabetes
Gestational diabetes mellitus (GDM)
Specific types of diabetes due to other causes
Hyperfunction
Insulinoma
Gastrinoma
Glucagonoma
Hypothalamus
Pineal gland
Pituitary gland
anterior pituitary gland
ACTH
TSH
FSH
Posterior pituitary gland
ADH
Oxytocin
Hypopituitarism
(Hypofunction)
แบ่งได้ 2 แบบ
Congenital / Genetic
(Acquired
เช่น
Diabetes insipidus (DI) เบาจืด
4 syndromes of DI
Primary polydipsia : Excess intake of water
Central DI : Decreased synthesis or secretion of vasopressin
Nephrogenic DI : Lack of appropriate response to vasopressin by the kidney
DI of pregnancy : accelerated metabolism of vasopressin
Hyperpituitarism
(Hyperfunction)
Cushing’s syndrome
Cushing's syndrome = Cortisol excess, regardless of the cause.
Cushing's disease is reserved for
Cushing's syndrome.
Acromegaly / Gigantism
(somatotroph adenoma)
Screening test
IGF-1 Level
Confirmation test
GH suppression test
Prolactinoma
(Lactotroph adenoma)
อาการ
Headaches
Visual acuity / field impairment
Cranial nerve palsies
Thyroid glands
Thyrotoxicosis
Graves’ disease
Extrathyroidal
Graves’ dermopathy /
Pretibial myxedema
Thyroid acropachy
Graves’ ophthalmopathy
PRIMARY HYPERTHYROIDISM
Thyroiditis
Acute suppurative thyroiditis
Subacute painful thyroiditis
(de Quatrain thyroiditis)
Chronic thyroiditis
Painless, Silent or subacute
lymphocytic thyroiditis
HYPOTHYROIDISM
Hashimoto thyroiditis
Cretinism
CAUSES
Autoimmune hypothyroidism
Autoimmune hypothyroidism
Infiltrative disease
Congenital hypothyroid
Iodine deficiency
Drug induced hypothyroid
The effect of T3 และ T4
Increase the basal metabolic rate of almost all
the cells in the body
Increase the fat and carbohydrate metabolism
Boost protein synthesis
Increase heart rate and blood flow to other
organs