Molecular and Genetic Aspects of Hemangiomas and Vascular Malformations

Sep 20, 2016 by in HEMATOLOGY Comments Off on Molecular and Genetic Aspects of Hemangiomas and Vascular Malformations

Malformation Chr region (locus) Gene Inheritance pattern(s) Mutation type(s) Arterial and capillary anomalies Arteriovenous malformations (AVM) ? ? Sporadic ? Ataxia-telangiectasia (AT) 11q23 (AT1) ATM Autosomal recessive Germline Capillary malformation-arteriovenous…

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Coagulation Disorders Associated with Vascular Anomalies

Sep 20, 2016 by in HEMATOLOGY Comments Off on Coagulation Disorders Associated with Vascular Anomalies

Fig. 4.1 Coagulation cascade and initiation of LIC (coagulopathy) and KMP (platelet trapping). KMP kasabach merrit phenomenom, FDP fibrin degradation product, KHE kaposiform hemangioendothelioma, LIC localized intravascular coagulopathy, TA tufted…

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Hemangiomas of Infancy: Epidemiology

Sep 20, 2016 by in HEMATOLOGY Comments Off on Hemangiomas of Infancy: Epidemiology

25. Cheung SM, Warman ML, Mulliken JB (1997) Hemangioma in twins. Ann Plast Surg 38:269–274CrossRefPubMed 26. Burns AJ, Kaplan LC, Mulliken JB (1991) Is there an association between hemangioma and…

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Water Deprivation Test

Sep 18, 2016 by in ENDOCRINOLOGY Comments Off on Water Deprivation Test

Precautions: Severe dehydration (hypotension, tachycardia) may occur in patients with true diabetes insipidus. Weight loss should not be allowed to exceed 5 % of initial body weight and blood pressure should…

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Seventy Two Hours Fast for Insulinoma

Sep 18, 2016 by in ENDOCRINOLOGY Comments Off on Seventy Two Hours Fast for Insulinoma

Symptoms, signs, or both Glucose (mg/dl) Insulin (µU/ml) C-peplide (nmol/L) Proinsulin (pmol/L) β-Hydroxy -butyrate (nmol/liter) Glucose increase after glucagon (mg/dl) Circulating oral hypoglycemic Antibody to insulin Diagnostic Interpretation No < 55…

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Mixed Meal Hypoglycemia Test

Sep 18, 2016 by in ENDOCRINOLOGY Comments Off on Mixed Meal Hypoglycemia Test

If a patient is symptomatic and blood glucose is normal, diagnosis of postprandial syndrome can be made. Caveats: An oral glucose tolerance test should never be used for the evaluation…

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Levothyroxine Absorption Test

Sep 18, 2016 by in ENDOCRINOLOGY Comments Off on Levothyroxine Absorption Test

Precautions: Supervise patient continuously during the procedure. Interpretation: Absorption is calculated by using the following formula [1]: Volume of distribution (Vd) in deciliters: 4.42 × body mass index [1]. More than 60–80 %…

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Intravenous Saline Suppression Test

Sep 18, 2016 by in ENDOCRINOLOGY Comments Off on Intravenous Saline Suppression Test

Assay for Aldosterone: Enzymatic radioimmunoassay (RIA). Precautions: Do not perform this test in patients with severe uncontrolled hypertension, renal insufficiency, cardiac insufficiency, cardiacarrhythmia, or severe hypokalemia. Interpretation: Postinfusion plasma aldosterone…

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Combined CRH Dexamethasone Suppression Test

Sep 18, 2016 by in ENDOCRINOLOGY Comments Off on Combined CRH Dexamethasone Suppression Test

Assay for Cortisol: Chemiluminescence Immunoassay (CLIA) . Precautions: None. Interpretation: Serum cortisol concentration more than 1.4 mcg/dl at 15 min after Combined Dex-CRH test is suggestive of Cushing’s syndrome [1]. Caveats: We…

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