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Curs endocrinologie - patologie tiroidiana
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Explorari in patologia tiroidianaBazaleTSHT4 / fT4T3 / fT3Metabolisme BazalGlucidic LipidicDozari hormonaleExplorare imagisticaRasunet perifericDinamiceTest TRHTest TSHRadioizotopicaEchografieCT, IRM
Ce explorari alegem?
SubiectFunctie tiroidiana posibilaTest sericEutiroidie clinicanodul solitartirotoxicozaTSHgusa multinodularatirotoxicozaTSHgusa difuzatirotoxicozaTSHEutiroidie clinica, boala netiroidianatirotoxicoza sau hipotiroidiesuspect tirotoxicozaTSH, FT4suspect hipotiroidieTSH, FT4Tirotoxicoza in tratamenttirotoxicoza, hipotiroidie, eutiroidieTSH, FT4Hipotiroidie in tratamenttirotoxicoza, hipotiroidie, eutiroidieTSH
Teste dinamieSupresie tiroidiana (Wermer)T3 100 /zi 7 zileNormal scade RIC cu 30%diagnosticarea adenomului "autonom", nedecompensatDecompensarea adenomuluidiferentierea intre o crestere a captarii produsa de un deficit de iod si cea determinata de hipertiroidieNormalizare RIC intr-un deficit iodat nemodificata in tirotoxicoza. Acest test este mult mai putin utilizat acum, cnd dozarea TSH sau testul la TRH pot da aceleasi informatii Stimulare cu TSHExogen (Querido)Endogen (Studer Wiss)
Markeri periferici
METABOLICIhipotiroidie hipertiroidiemetabolism bazalcolesterol total si HDLfibronectinaferitinaenzima de conversie a angiotensineiSHBG (sex-hormone binding globuline)osteocalcinahidroxiprolina urinarafosfataza alcalinacreatin fosfokinazamioglobina
Anticorpi
AUTOANTICORPANTIGENMETODA DE DOZAREAntitiroglobulinatiroglobulina- hemaglutinare- ELISA- RIAAntimicrosomaltiroperoxidaza- hemaglutinare- ELISA- RIAAnti-receptor TSHreceptorul TSH- stimulatori (TSAb)- cultura de tireocite umane sau FRTL5- teste biologice citochimice- determinarea receptorilor- inhibitori (TBAb)- inhibarea in vitro a efectelor TSH sau TSAb- determinarea receptorilorAnti T3 sau T4T3, T4- legarea antigenului purificat (T3, T4) marcat cu 125I de IgG in serul pacientuluiAnti TSHTSH- legarea 125I-TSH de IgG in serul pacientuluiTGI (Ig stimulatoare a cresterii tiroidei)necunoscut- biocitochimie- indicele de metamorfoza in celulele FRTL5
Ecografia tiroidiana - tehnica examinarii protocol talia glandeilatimealungimea grosimea ambilor lobieventual grosimea istmului daca acesta depaseste 1 cm, ecostructura de ansamblu a glandeivolumul, situarea si ecostructura eventualelor leziuni
Tiroida normalaSectiune transversalaSectiune longitudinalalLg
Scintigrama tiroidianaScintigrama normalaradioiodocaptare
Chart2
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deficit iodat
eutiroidie
hipertiroidie
hipotiroidie
timp (ore)
captarea I-131 (%)
Deficit iodat
Hipotiroidie
Hipertiroidie
Eutiroidie
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deficit iodateutiroidiehipertiroidiehipotiroidie
00000
2208120.66
43818261.33
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248057588
4880602016
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deficit iodat
eutiroidie
hipertiroidie
hipotiroidie
timp (ore)
captarea I-131 (%)
Eutiroidie
Hipertiroidie
Hipotiroidie
Deficit iodat
Patologia tiroidian nodularNodul caldNodul rece
Tiroidita de QuervainPatologia tiroidian difuzAbsenta captarii
Tiroidita autoimunT. atroficPatologia tiroidian difuzT. Hashimoto
Boala Graves-Basedow
Noduli tiroidieniFNAB asistata echografic