Download - TUBERCULOZA CAVITARA
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TUBERCULOZATUBERCULOZA CAVITARACAVITARA
Caverna de gradul ICaverna de gradul I Imagine hipertransparenta, cu contur Imagine hipertransparenta, cu contur anfractuos, in masa infiltratuluianfractuos, in masa infiltratului
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TB CAVITARATB CAVITARA
Caverna grad II (elastica)Caverna grad II (elastica) Are perete propriu, subtire, elasticAre perete propriu, subtire, elastic Contur net Contur net
Caverna grad III (scleroasa)Caverna grad III (scleroasa) Pereti grosi, rigizi, fibrozatiPereti grosi, rigizi, fibrozati Contur neregulatContur neregulat Scleroza pericavitara si leziuni Scleroza pericavitara si leziuni
combinate in jurul eicombinate in jurul ei
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TUBERCULOM APICALTUBERCULOM APICAL
Apare si in tuberculoza primara Apare si in tuberculoza primara si in cea secundarasi in cea secundara
La 5% dintre pacienti este La 5% dintre pacienti este singura leziune care apare pe Rxsingura leziune care apare pe Rx
Opacitate rotunda , ovalara , Opacitate rotunda , ovalara , incapsulata, structura omogena incapsulata, structura omogena sau neomogena, central poate sau neomogena, central poate prezenta cazeificareprezenta cazeificare
Poate fi solitar sau multipluPoate fi solitar sau multiplu Diametru intre 0,5-4cmDiametru intre 0,5-4cm Contur netContur net Calcificari in 20-30%din cazuri Calcificari in 20-30%din cazuri
cu aspect nodular sau concentriccu aspect nodular sau concentric Rx seriate arata stabilitatea Rx seriate arata stabilitatea
leziunii in timpleziunii in timp Leziuni satelite in proportie de Leziuni satelite in proportie de
>80%>80%
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TB miliaraTB miliara Poate aparea la orice varstaPoate aparea la orice varsta Se produce prin diseminare Se produce prin diseminare
hematogenahematogena Nodulii au 1-3 mm, bine Nodulii au 1-3 mm, bine
individualizatiindividualizati Localizati bilateral, omogen Localizati bilateral, omogen
distribuitidistribuiti Initial mai numerosi la nivelul Initial mai numerosi la nivelul
bazelor , ulterior vizibili si in bazelor , ulterior vizibili si in lobii superiorilobii superiori
Nodulii reprezinta granuloame Nodulii reprezinta granuloame TBTB
Tuberculoza miliara poate fi Tuberculoza miliara poate fi discreta la persoane cu status discreta la persoane cu status imun bunimun bun
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FIBROTORAXULFIBROTORAXUL
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Tuberculoză primară Tuberculoză secundară
Localizare oriunde în câmpul pulmonar Localizare adesea în treimea superioară
Adenopatie regională Fără adenopatie regională
Evoluţie spre fibroză şi calcificare a nodulilor cu vindecare completă
Evoluţie spre lichefiere şi formare de cavernă, fără reacţie fibroasă importantă
După vindecare, persistenţa şancrului de inoculare în parenchimul pulmonar, însoţit, uneori de opacităţi liniare spre hil ; calcificări ganglionare
Vindecarea se face, uneori, fără fibroză ; alteori evoluţie spre o tuberculoză fibro- sau ulcero-cazeoasă
În caz de evoluţie îşi poate face apariţia o bronhopneumonie bacilară sau o diseminare miliară
În caz de evoluţie rapidă şi de infecţie virulentă se poate constitui o pneumonie cazeoasă cu ulceraţii importante sau diseminare miliară acută
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