Endocrine Glands and Disorders PDF
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Uploaded by RationalParallelism4300
University of Manchester
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Summary
This document provides an overview of the endocrine system, including glands, hormones, and disorders. It covers various endocrine conditions like thyroid and adrenal disorders. This resource could be useful to medical professionals.
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**[ENDOCRINE AND OTHER DISORDERS]** **[ENDOCRINE GLANDS ]** **DUCTLESS** **GLANDS** that *[secrete]* their **products** **Straight** *into the* **BLOODSTREAM** not into ductal system *[Difference]* to **EXOCRINE GLANDS** that secrete their products into a **DUCTAL SYSTEM** that leads to an **EPIT...
**[ENDOCRINE AND OTHER DISORDERS]** **[ENDOCRINE GLANDS ]** **DUCTLESS** **GLANDS** that *[secrete]* their **products** **Straight** *into the* **BLOODSTREAM** not into ductal system *[Difference]* to **EXOCRINE GLANDS** that secrete their products into a **DUCTAL SYSTEM** that leads to an **EPITHELIAL SURFACE.** - **ANATOMY** -- Where? - **PHYSIOLOGY** -- What product/action? - **Disease** -- Why? **[Endocrine Glands -- Where?]** **Scattered throughout the body** **Thymus is bigger in childhood but gets smaller as you age.** *https://www.tutor2u.net/psychology/reference/biopsychology-the-endocrine-system-glands* **[Endocrine Glands -- WHAT PRODUCT/ACTION?]** **Products** = Hormones **Hormones** = Chemical Messengers **Chemical** **Messengers** = Control and Coordinate - Metabolism, - Energy levels, - Reproduction, - Growth, - Development, - Mood, - Sleep, - Response to injury and stress **[Endocrine Glands -- What Product?]** - **Hypothalamus:** - **[Pituitary gland:]** - **Pineal gland:** - **[Thyroid gland:]** - **[Parathyroid glands:]** - **Thymus:** - **[Pancreas:]** - **[Adrenal glands:]** - **[Ovaries:]** **[PRODUCTION]:** - **Increased Production** \-\-\-\-\-- **Hyper-** - **Decreased Production** \-\-\-\-- **Hypo**- **[Endocrine Glands -- Why?]** 1. **Genetic** -- cause hyperproduction 2. **Tumour --** random tumours can sometimes also release hormones 3. **Tissue Destruction/Loss/Suppression -- Keep 1/3 of the thyroid gland** i. Autoimmune ii. Infection iii. Trauma iv. Iatrogenic (surgery, radiation, drugs) v. Diet **ENDOCRINE GLANDS -- DISORDERS/OTHER** - **Acromegaly** -- related to growth hormone - **Hypopituitarism** -- underacting piutary - **Diabetes Insipidus** - - **Hyperthyroidism** - **Hypothyroidism** - **Hyperparathyroidism** - **Hypoparathyroidism** - **Cushing's disease** - **Addison's disease** - **Amenorrhea -** - **Polycystic Ovarian Syndrome** - **Precocious Puberty** - **Premature** **Ovarian** **Failure** - **Hypogonadism** - **Pregnancy** -- Not Disorders - **Menopause** -- Not Disorders - **Polyglandular** **Deficiency** **Syndromes** (PDS) - **Multiple Endocrine Neoplasia** (MEN) - Osteoporosis **PITUITARY GLAND** **Increased GH = Acromegaly** [*more information*](https://www.wapo.org/pituitary-disorders/acromegaly/) **Decreased = HYPOPITUITARISM (2+) (you must have 2 of these to be considered)** & **PANHYPOPITUITARISM** **Look at the front and back lobe** - *[Slow]* **growth** - **Addison's** - **Hypothyroidism** - **Diabetes** **Insipidus** - *[Underdevelopment]* of Male/Female Characteristics **Low ADH production or action = Diabetes Insipidus** *(not the same as normal diabetes)* - **[Cranial]** - **[Nephrogenic]** **HYPER (THYROTOXICOSIS)** **GRAVES DISEASE** **[GOITRE]- Is when your thyroid gland has become enlarged** - **Exophthalmos** -- **Eyes** **Popping** **Out** - **Neck Swelling** - **Fatigue** - **Mood Swings** - **Heart Palpitations** - **Trembling** - **Irritability** - **Difficulty** **Sleeping** **HYPO (MYXOEDEMA)** **[HASHIMOTO'S DISEASE]** - **Tiredness** - Being Sensitive to **Cold** - **Weight** **Gain** - **Constipation** - **Depression** - **Slow Movements** and **Thoughts** - Muscle **Aches** and **Weakness** - **Muscle** **Cramps** - **Dry** and **Scaly Skin** - **Brittle** **Hair** and **Nails** - Loss of **Libido** (sex drive) - **Pain, Numbness**, and a **Tingling Sensation** in the **Hand** and **Fingers** (carpal tunnel syndrome) - **Irregular Periods** or **Heavy Periods** - **Fertility** and **Embryo-Development** issues **[THYROID GLAND - CHILDREN]** - **Delayed Tooth Eruption** - **Enamel hypoplasia** - **Micrognathia** - **Anterior Open Bite** - **Accelerated** **Tooth** **Eruption** - **Maxillary**, and **Mandibular** **Osteoporosis** **PARATHYROID GLANDS** **Hyper** 1. **Primary** -- rare 2. **Secondary** -- Most often caused by tumours 3. **Tertiary** -- rare - **Depression** **&** **Fatigue** - Being **Sick** **&** Losing your **Appetite** - **Muscle** **Weakness** - **Tummy** **Pain** **&** **Constipation** - **Drowsiness** **&** **Confusion** - **HBP** **&** **Irregular** **Heartbeat** - **Osteoporosis** **&** **Bone** **Fractures** - **Kidney** **Stones** **&** **Sequalae** - **Stomach Ulcers** **&** **Pancreatitis** - **Brown Tumours** of the **Bone** - **CENTRAL GIANT CELL LESIONS** -- **Posterior Lower Jaw**. *[behind]* **First Lower Molar** **HYPO** - A **Tingling Sensation** (paraesthesia) in **Fingertips**, **Toes**, and **Lips** - **Twitching** **Facial Muscles** and of **Tongue** - **Muscle** **Pains** or **Cramps**, *[particularly]* in **Legs**, **Feet**, or **Tummy** - **Tiredness** - **Mood Changes**, such as feeling **Irritable, Anxious,** or **Depressed** - **Dry, Rough Skin** - **Coarse Hair** that **breaks easily** and can **fall out** - **Fingernails** that **break easily** -- **Low Calcium** **ADRENAL GLANDS** *[Sit on top]* of **Kidneys** -- **Produce** and **Circulate** *[Responsible]* for **Natural Steroid Production** and **Regulation** **HYPER** - **Cushing Syndrome** (excess of cortisol) **Exogenous** (corticosteroids) -- Taking too many steroids from outside source **Endogenous** - **Hyperaldosteronism** (excess of aldosterone = Conn's syndrome) - **Adrenogenital** or **Virilizing Syndromes** (excess of androgens) - **Phaeochromocytoma** (tumour overproducing epinephrine and norepinephrine) - **Fat pad** on **Back** **[Hyper - Cushing]** - **Alveolar Bone Loss** (i.e., osteoporosis of the jaw) *[can result from]* **Hypercortisolism**. - *[This in turn can contribute to]* **TOOTH LOSS**, as can **Periodontal Disease** *[resulting]* from - **Oral Candidiasis** *[occurs]* at **Elevated** **Rates**. *[more susceptible to]* **Fungal** - **Risk** of **Infection** may be *[increased]* with **Complex Dental Procedures**. [Implications of diabetes](https://www.cdho.org/Advisories/CDHO_Factsheet_Cushing_Syndrome.pdf) **[Hypo -- Addison's disease]** - **[PRIMARY]** - **[SECONDARY]** (corticosteroids) *[You can see the]* **HYPERPIGMENTATION** that it causes **[Medical Emergency -- ADDISONIAN CRISIS]** - *[Caused]* by **Stress** which is **Bad** *[because]* *[most]* **People** are **Stressed** *[seeing]* *[the]* **Dentist** - **Fever** - **Syncope** - **Convulsions** - **Hypoglycemia** - **Hyponatremia** - Severe **Vomiting** and **Diarrhea** *[Most people]* who have this **Issue** carry their own **Emergency Medications.** *[Ideally]* **DOUBLE THE DOSE** of their **Normal Meds** on the day of the **Appointment** You have to be **Careful** -- speak to **GP** about this **Dosage**. See what kind of **Patient** you have. [***Addison's** -- Dental Guidelines*](https://www.addisonsdisease.org.uk/addisons-disease-advice-for-dentists) **FEEDBACK LOOPS -- STRESS RESPONSE** **Hypothalamus-Pituitary Gland-Adrenal Glands (Hpa) Axis** (*[increased]* **Cortisol**) **Adrenal Gland** -- Blood Stream -**Hypothalamus** -- **Pituitary** to **ACTH**- **Adrenal** **Gland** to *[create]* or *[reduce]* **CORTISOL** **Stress** *[come]* into the **Loop** and causes **Issues** which *[increases]* **Cortical** which results in: - **[Results in: ]** - **Increased** **Blood Glucose** availability - **Increased** **Sodium Retention** - **Increased** **Potassium Excretion** - **Increased** suppression of **Immune System** **Feedback loops -- Steroid treatment** Suppression of **Adrenal Glands** *[If you]* **Withdraw** **Corticosteroids** too **suddenly**, the **Adrenal Glands**, *[need some]* **Time** to *[prepare]* which it don't have. *[So you have]* **Very Low Steroids** in the **Body** and it can cause **Adrenal Crisis** This is why you **Shuffle** the **Lowering** of the **Dose** *[Some people will]* **Never Be Able** to **Recover** and *[will]* need **steds for life.** **CONTRACEPTION (DRUG) -** [More Info](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5198473/) - **Periodontal Disease** - **Pigmentation** (facial melasma and/or intraoral) **PREGNANCY** \-\-\-\-- [Links](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3681080/) \-\-- [More Info](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6883753/) - **Hormones** affect your **Immune Response** - - **Periodontal Disease** - **Pyogenic Granuloma/Pregnancy Epulis** -- don't remove till after pregnancy - **Dental Cavities**??? - **Dental Erosion** **MENOPAUSE \-\-\-\-\--** [more info](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3793432/) - **BMS** (**Burning Mouth** is related to stress sand mood swings that can be as a result of hormonal imbalance) - **Dry Mouth** - **Periodontal Health** - **Osteoporosis** **[ENDOCRINE GLANDS - INVESTIGATIONS]** - **Blood Tests** - **Hormones** - **Target Receptors/Organs** - Function of **Target Organs** - **[Imaging]** - **Radiographs** - **USS** - **CT/CBCT** - **MRI** - **Scintigraphy** - **Biopsy** if needed/possible **[ENDOCRINE GLANDS -- MANAGEMENT/TREATMENT]** - **Replacement**/**Suppression** - **Surgery** - **Target** **Organs** -- *[rather than]* **Affecting** the **Production** of the **Hormone** we try tackle at the *[source]* of the **organ** - Sequalae - Prevention **[ENDOCRINE GLANDS \-\-\-- MANAGEMENT/TREATMENT]** - **PITUITARY GLAND** - **Acromegaly** -- **GH** - **Hypo** -- **Replace** - **Diabetes** **Insipidus** -- **Vasopressin** - **THYROID** - **Hyper** -- **Carbimazole, Propylthiouracil** - **Hypo** -- **Thyroxine** - **PARATHYROID** - **Hyper**: - **PRIMARY** -- **Rehydration, Bisphosphonates** (short-term), **Surgery** - **SECONDARY** -- **vit D** - **TERTIARY** -- **surgery** - **Hypo** -- **Calcium, Vit D** - **ADRENAL** - **Cushing's** -- **Surgery**, **Lower Steroids** - **Addison's** -- **Steroids** (hydrocortisone, fludrocortisone) - **MENOPAUSE** - **HRT** - **Osteoporosis** - **Bisphosphonates** -- cosderations need to be made in regards yo XLA **[Dental Considerations]** - *[Planning]* of **Appointments** -- Morning Middle Afternoon - *[Position]* of **Patient** - *[Adjusted]* **OH** - **Oral Complications** - **Diagnosis** - **Extractions** - *[Choice]* of **Anaesthesia** - **Pregnancy** and **Breastfeeding** - **Prescribing** and **Drug Interactions** - **Medical** **Emergency** *[Planning]* of **Appointments** - *[Consider]* **Time Of Day** and **Length Of Appointment** - *[Consider]* whether the **Patient** can **Tolerate Supine Position** - *[Consider]* **Dexterity**, **Need** and **Anatomy** **[Oral Complications - Diagnosis]** 1. **[Manifestations]** 2. **[Sequalae of disease/treatment]** i. **Dry mouth** ii. **Oral thrush** iii. **Caries** iv. **Glossitis** - **EXTRACTIONS** - ***[Choice]* of Anesthesia** 1. *[Consider]* **Primary/Secondary Care** 2. **Bisphosphonates** 3. **Dry** **Socket** 4. **LA** with/without **Adrenaline** 5. **Sedation** **GA** **[Pregnancy and Breastfeeding]** - **Position** - **OHI** - **Radiology** - **Prescribing**