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First Aid 2010 Endocrine
Facts in FA
69
Medical
Graduate
06/03/2010

Additional Medical Flashcards

 


 

Cards

Term
HASHIMOTO'S THYROIDITIS
Definition
Most common cause of hypothyroidism
Term
HASHIMOTO'S THYROIDITIS
Definition

Thyroid with lymphocytic infiltrate with germinal centers

Antimicrosomal and antithyroblobulin antibodies

Term
HASHIMOTO'S THYROIDITIS
Definition
Associated with HLA-DR5 and Hurthle cells on histology
Term
HURTHLE CELLS seen in Hashimoto's thyroiditis
Definition
Enlarged epithelial cells with granular eosinophilic cytoplasm
Term
HASHIMOTO'S THYROIDITIS
Definition
Increased incidence of B-cell malignant lymphoma of thyroid
Term
CRETINISM
Definition
Due to severe fetal hypothyroidism
Term
CRETINISM
Definition
Occurs wherever endemic goiter is prevalent (lack of dietary iodine)
Term
CRETINISM
Definition
Sporadic form caused by defect in T4 formation or developmental failure in thyroid formation
Term
CRETINISM
Definition
Pot-bellied, pale, puffy-faced child with protruding umbilicus and protuberant tongue, mentally retarded, short stature
Term
SUBACUTE THYROIDITIS de Quervain's
Definition
Very tender thyroid gland
Term
SUBACUTE THYROIDITIS de Quervain's
Definition

Elevated ESR, jaw pain, early inflammation

Granulomatous inflammation of thyroid

Term
SUBACUTE THYROIDITIS de Quervain's
Definition
Self-limited hypothyroidism often following flulike illness (e.g., viral infection with Coxsackievirus, mumps)
Term
HASHIMOTO'S THYROIDITIS and SUBACUTE THYROIDITIS (de Quervain's)
Definition
May be hyperthryoid early in course
Term
RIEDEL'S THYROIDITIS
Definition

Thyroid replaced by fibrous tissue (hypothyroid)

Infiltrate of macrophages and neutrophils

Term
RIEDEL'S THYROIDITIS
Definition
Presents with fixed, hard (rock-like), and painless goiter
Term
GRAVES' DISEASE
Definition
Autoimmune hyperthyroidism
Term
GRAVES' DISEASE
Definition
Thyroid-stimulating/TSH receptor antibodies
Term
GRAVES' DISEASE
Definition
Ophthalmopathy, pretibial myxedema, diffuse goiter
Term
GRAVES' DISEASE
Definition

Often presents durign stress (e.g., childbirth)

Type II hypersensitivity

Associated with HLA-B8 and Dr3

Term
THYROID STORM
Definition

Stress-induced catecholamine surge leading to death by arrhythmia

Serious complication of hyperthyroid disorders

Term
Beta-blocker (e.g., propanolol)
Definition
Treatment for thyroid storm
Term
TOXIC MULTINODULAR GOITER
Definition
Focal patches of hyperfunctioning follicular cells working independently of TSH due to mutation of TSH receptor
Term
TOXIC MULTINODULAR GOITER
Definition

Non-malignant thyroid nodules

Increased release of T3 and T4

Term
TOXIC THYROID ADENOMA
Definition
Hyperthyroidism with palpation of a single thyroid nodule
Term
JOD-BASEDOW PHENOMENON
Definition
Thyrotoxicosis if a patient with iodine deficiency goiter is made iodine replete
Term
JOB-BASEDOW PHENOMENON
Definition
Hyperthyroidism following a recent study using IV contrast dye (iodine)
Term
PAPILLARY CARCINOMA OF THE THYROID
Definition

Most common thyroid cancer

Excellent prognosis

Term
ORPHAN ANNIE nuclei seen in PAPILLARY CARCINOMA
Definition
"Ground-glass" nuclei
Term
PAPILLARY CARCINOMA OF THYROID
Definition
Psammoma bodies, nuclear grooves, Orphan Annie nuclei
Term
PAPILLARY CARCINOMA OF THYROID
Definition
Increased risk in pts who received radiation in childhood
Term
FOLLICULAR CARCIONOMA OF THYROID
Definition
Thyroid cancer commonly associated with either a RAS mutation or a PAX8-PPAR gamma 1 rearrangement
Term
FOLLICULAR CARCINOMA OF THYROID
Definition
Second most common type of thyroid cancer
Term
FOLLICULAR CARCINOMA OF THYROID
Definition
Thyroid cancer with good prognosis, uniform follicles
Term
MEDULLARY CARCINOMA OF THYROID
Definition
Cancer arising from parafollicular C cells
Term
MEDULLARY CARCINOMA OF THYROID
Definition
Thyroid cancer that produces calcitonin
Term
MEDULLARY CARCINOMA OF THYROID
Definition
Thyroid cancer associated with MEN types 2A and 2B
Term
MEDULLARY CARCINOMA OF THYROID
Definition
Thyroid cancer: sheets of cells in amyloid stroma
Term
MEDULLARY CARCINOMA OF THYROID
Definition
Thyroid cancer commonly associated with rearrangements in RET oncogene or NTRK1
Term
PAPILLARY CARCINOMA OF THYROID
Definition
Thyroid cancer: most common mutation in the BRAF gene (serine/threonine kinase)
Term
PAPILLARY and MEDULLARY THYROID CARCINOMAS
Definition
Thyroid cancer arising from activating mutations of receptor tyrosine kinases
Term
UNDIFFERENTIATED/ANAPLASTIC THYROID CANCER
Definition
Thyroid cancer occurring in older patients with very poor prognosis
Term
MESODERM
Definition
Embryologic origin of adrenal cortex
Term
NEURAL CREST
Definition
Embryologic origin of adrenal medulla
Term
EXOGENOUS STEROIDS
Definition
#1 cause of Cushing's syndrome
Term
SMALL CELL LUNG CANCER, BRONCHIAL CARCINOIDS
Definition
Sources of ectopic ACTH leading to Cushing's syndrome
Term
PHEOCHROMOCYTOMA
Definition
Most common tumor of adrenal medulla in adults
Term
PHEOCHROMOCYTOMA
Definition
Most tumors secrete epinephrine, NE, and dopamine, causing episodic hypertension
Term
PHEOCHROMOCYTOMA
Definition
Elevation of urinary VMA (breakdown product of NE) and plasma catecholamines
Term
PHEOCHROMOCYTOMA
Definition
Associated with neurofibromatosis, MEN types 2A and 2B
Term
N-METHYLTRANSFERASE
Definition
Enzyme that converts NE to epinephrine
Term

PHEOCHROMOCYTOMA

(Rule of 10s)

Definition

10% malignant

10% bilateral

10% extra-adrenal

10% calcify

10% kids

10% familial

Term
PHEOCHROMOCYTOMA
Definition

Episodic hyperadrenergic symptoms (5 Ps):

Pressure

Pain (headache)

Perspiration

Palpitations (tachycardia)

Pallor

Ileus (catecholamines inhibit peristalsis)

Term
NEUROBLASTOMA
Definition
Most common tumor of adrenal medulla in children
Term
NEUROBLASTOMA
Definition

HVA (breakdown product of dopamine) in urine

Less likely to develop hypertension

 

 

Term
NEUROBLASTOMA
Definition

Bombesin tumor marker

Homer Wright rosettes

Neurosecretory granules on EM

N-myc oncogene

Term

Brain

RBCs

Intestine

Cornea

Kidney

Liver

Definition
BRICK L, organs that do not need insulin for glucose uptake
Term
RBCs, brain
Definition
Organs with GLUT-1 receptors
Term
Beta-islet cells, liver, kidney
Definition
Organs with GLUT-2 receptors
Term
ADIPOSE TISSUE AND SKELETAL MUSCLE
Definition
Organs with GLUT-4 receptors
Term
GLUT-4
Definition
Insulin responsive GLUT receptor
Term
ACE INHIBITORS AND ANGIOTENSIN RECEPTOR BLOCKERS
Definition
Agents used to slow/lessen progression of proteinuria in DM
Term
INFECTIONS IN DIABETIC PATIENTS
Definition

UTIs

Candida > vulvovaginitis

Psudomonas aeruginosa > malignant external otitis

Rhinocerebral mucormycosis

Stap aureus abscesses > cutaneous

Klebsiella pneumonia > pneumonia

Term

CARCINOID SYNDROME

(serotonin-secreting tumor)

Definition

Presents with recurrent diarrhea, cutaneous flushing, asthmatic wheezing, right-sided valvular disease

(BFDR)

Term
CARCINOID SYNDROME
Definition
Most common tumor of appendix
Term
CARCINOID SYNDROME
Definition
Tumor derived from neuroendocrine cells of GI tract
Term
OCTREOTIDE
Definition
Treatment of carcinoid syndrome
Term
Ectopic ADH (small cell lung cancer), CNS disorders/nead trauma, pulmonary disease, drugs (e.g., cyclophosphamide)
Definition
Causes of SIADH
Term
SIADH
Definition

Excessive water retention, hyponatremia, urine osmolarity>serum osmolarity

Very low serum sodium levels can lead to seizures

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