Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Clinical condition due to sustained increase in glucocorticoid levels |
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
• Due to corticosteroid therapy that is prescribed for other medical purposes • Adrenal or pituitary tumors may also be the source of endogenous hormones‐cushing’s • Young adult females
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Clinical Features • Signs of this disease develop slowly • Most consistent clinical observation is weight gain, in central areas of body
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Clinical Features • “Buffalo hump"‐ accumulation of fat in dorsocervical spine region • “Moon facies ‐round facial appearance due to fat deposition in facial area
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Clinical Features • Other common findings include: – red‐purple abdominal striae – hirsutism – poor healing* – osteoporosis – hypertension – mood changes (especially depression) – hyperglycemia with thirst and polyuria – muscle wasting with weakness
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Diagnosis &Treatment • >> 20mg of prednisone • Free cortisol in urine • Assay of ACTH & cortisol with dexamethasone • ACTH & Cortisol falls without tumor • No change with tumor • Cause: systemic corticosteroid therapy • Cortisol is critical to body function with stress
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Treatment • Tumors ‐ resected, non‐surgical cases • drugs inhibiting cortisol synthesis‐ketoconazole/ aminoglutethimide • Alternate day therapy/steroid sparing drugs • Drop in cortisol levels signals pituitary gland to produce ACTH • ACTH stimulates adrenal gland to produce cortisol‐ FEEDBACK LOOP
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Treatment • ACTH production is suppressed in patients on long‐term steroids • Acute hypodrenocorticism (addison’s disease) • Highly stressful situation, gland may not produce ACTH
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Term
HYPERCORTISOLISM (Cushing's Syndrome) |
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Definition
Treatment • When stressful dental and/or surgical procedures are planned, corticosteroid dosage may need to be adjusted • A medical consultation is warranted
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Term
ADDISON'S DISEASE (Hypoadrenocorticism) |
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Definition
• Insufficient production of adrenal hormones – cortisol, due to destruction of adrenal cortex (primary) • Non functioning pituitary‐ ACTH (secondary)
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Term
ADDISON'S DISEASE (Hypoadrenocorticism) |
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Definition
Causes are diverse and include: • autoimmune destruction • infections (TB and deep fungal, especially in AIDS patients • rarely, metastatic tumors, sarcoidosis, amyloidosis
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Term
ADDISON'S DISEASE (Hypoadrenocorticism) |
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Definition
Clinical Features • Insidious onset of fatigue, irritability, depression, weakness, & hypotension • Generalized hyperpigmentation of skin ("bronzing" )‐ more prominent on sun‐exposed skin , due to beta lipoproteins or ACTH stimulus on melanocytes • GI upset with anorexia, nausea, diarrhea, weight loss, and salt craving
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Term
ADDISON'S DISEASE (Hypoadrenocorticism) |
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Definition
Clinical Features • Young patients ‐ Addison’s with hypoparathyroidism & mucocutaneous candiasis‐autoimmune polyendocrinopathy‐candidiasisectodermal dystrophy syndrome should be considered
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Term
ADDISON'S DISEASE (Hypoadrenocorticism) |
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Definition
Clinical Features • Oral manifestations include diffuse or patchy, brown macular pigmentation of mucosa caused by excess melanin production, may preceede skin pigmentation • Diag ‐ rapid ACTH stimulation test • <<20microg/dl of free cortisol‐adrenal insufficiency • Primary‐>>100ng/L of plasmaACTH • Secondary‐ plasma ACTH (9‐52ng/L or low)
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Term
ADDISON'S DISEASE (Hypoadrenocorticism) |
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Definition
Treatment and Prognosis • Corticosteroid replacement therapy • 5‐7.5mg of prednisone/day in div doses • Body’s need for corticosteroid hormones increases during stress, dosage must be adjusted accordingly • < 1hr dental procedure no adj • >>1hr dental/surgical procedure >>dose • Before patients death within 2yrs now normal life span
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Term
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Definition
• Common disorder of carbohydrate metabolism • Decreased/deranged production of/ increased tissue resistance‐ insulin • Increase in blood glucose level (hyperglycemia) • Lowered tissue resistance to infection
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Term
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Definition
Two types: • 1)Insulin‐dependent diabetes mellitus (IDDM)/type I/juvenile‐onset diabetes • 2)non‐insulin‐dependent diabetes mellitus (NIDDM)/type II/adult‐onset diabetes
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Term
DIABETES MELLITUS INSULIN‐DEPENDENT DIABETES MELLITUS |
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Definition
Clinical Features
• Insulin deficiency, glucose cannot be absorbed into cells, remains in blood • Normal glucose levels 70 ‐120 mg/dL • diabetics, levels often 200‐400 mg/dL • >>300mg/dl renal reabsorption fail
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Term
INSULIN‐DEPENDENT DIABETES MELLITUS |
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Definition
Clinical Features • Lose weight, with increased food intake (polyphagia) • Frequent urination (polyuria)‐osmolarity, thirst, and increased water intake (polydipsia) • Average age at diagnosis 14
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
• NIDDM 40+ at diagnosis • 80‐90% obese • Decrease number of insulin receptors or abnormal postbinding molecular events • Show "insulin resistance"
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
COMPLICATIONS • Microangiopathy • Occlusion‐ small vessels, producing peripheral vascular disease • Decrease in tissue perfusion results in ischemia • Ischemia predisposes to infection as does impaired neutrophil chemotaxis |
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
COMPLICATIONS • Extremities affected, gangrene • Vascular occlusion of coronaries, myocardial infarction • Microvascular occlusion retinal vessels, blindness • Kidney failure, renal blood vessel involvement
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
Oral Manifestations • Limited to patients with IDDM • Periodontal disease, occurs more frequently and progresses more rapidly
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
Oral Manifestations • Diabetic sialadenosis: nontender, bilateral parotid gland enlargement • More susceptible to oral candidiasis • Erythematous candidiasis of the dorsal tongue papillae 30
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
Oral Manifestations • Zygomycosis poorly controlled IDDM • Increased prevalence of benign migratory glossitis in IDDM • Xerostomia, one third of diabetics
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Term
NON‐INSULIN DEPENDENT DIABETES MELLITUS |
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Definition
Treatment and Prognosis • Diabetes mellitus: common, complex medical problem with many complications • Prognosis is guarded • Consultation with the patient’s physician: IDDM and poor glucose control, active infections, or extensive oral surgical procedures |
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Term
CROHN'S DISEASE (Regional Ileitis; Regional Enteritis) |
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Definition
• Inflammatory, immunologically mediated condition of unknown cause • Mainly distal portion of small bowel and proximal colon • Anywhere in GI tract, from mouth to anus • Extraintestinal sites: skin, eyes and joints • Oral lesions may precede GI lesions in 30%
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Term
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Definition
– Can affect any portion of the GI tract – Skip lesions – Transmural involvement – Noncaseating granulomatous inflammation
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Term
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Definition
• Affects rectum primarily and eventually affects entire colon in a retrograde manner • No skip lesions • Mucosa and submucosa affected only • No granulomatous inflammation
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Term
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Definition
• Most patients teenagers when first becomes evident / 60yrs • GI signs and symptoms include: abdominal cramping and pain, nausea, and diarrhea
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Term
CROHN'S DISEASE (Regional Ileitis; Regional Enteritis) |
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Definition
• Diffuse or nodular swelling of oral soft tissues • Cobblestone appearance of mucosa
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Term
CROHN'S DISEASE (Regional Ileitis; Regional Enteritis) |
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Definition
• Deep, granulomatous‐appearing ulcers • Ulcers, linear and in buccal vestibule. • Aphthous ulcerations may also occur
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Term
CROHN'S DISEASE (Regional Ileitis; Regional Enteritis |
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Definition
Histopathologic Features • Microscopic examination of tissue from intestine or oral mucosa shows nonnecrotizing granulomatous inflammation Treatment and Prognosis • Sulfasalazine or prednisone, depending on the degree of involvement, sys thalidomide in refractory cases
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Term
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Definition
• Rare condition • Unusual oral expression ‐ IBD, ulcerative colitis or Crohn's disease • C/F‐Yellowish, linear, serpentine pustules on erythematous oral mucosa • Primarily affect buccal and labial mucosa , soft palate, V. tongue
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Term
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Definition
Clinical Features • “Snail‐track" ulcerations • Oral lesions may appear concomitantly with bowel symptoms • Intestinal signs and symptoms of inflammatory bowel disease are of most concern • Tx‐ Sulphasalazine & systemic corticosteroids
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