radiologia abdominal
TRANSCRIPT
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RADIOLOGIA ABDOMINALRADIOLOGIA ABDOMINAL
Dr. Juan Cruz GalloDr. Juan Cruz Gallo
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RX SIMPLE DE ABDOMENRX SIMPLE DE ABDOMEN
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RX SIMPLE DE ABDOMENRX SIMPLE DE ABDOMEN
Se realizan con el paciente acostado, en Se realizan con el paciente acostado, en decúbito dorsal, y de pie, con rayo horizontal, decúbito dorsal, y de pie, con rayo horizontal, incluyendo las cúpulas diafragmáticas.incluyendo las cúpulas diafragmáticas.
Muestran la distribución del gas Muestran la distribución del gas intraabdominal (normal o patológico), el intraabdominal (normal o patológico), el efecto de masa de algunas patologías efecto de masa de algunas patologías expansivas, el borramiento de planos expansivas, el borramiento de planos anatómicos, la presencia de calcificaciones y anatómicos, la presencia de calcificaciones y cuerpos extraños radioopacos y el estado del cuerpos extraños radioopacos y el estado del esqueleto.esqueleto.
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GAS INTRAABDOMINALGAS INTRAABDOMINAL
En individuo normal existe gas dentro En individuo normal existe gas dentro del estómago, intestino delgado y del estómago, intestino delgado y colon. Junto con los líquidos y colon. Junto con los líquidos y residuos intestinales delimitan el residuos intestinales delimitan el contorno de las asas intestinales.contorno de las asas intestinales.
La acumulación patológica de gas La acumulación patológica de gas puede ocurrir dentro o fuera de la luz puede ocurrir dentro o fuera de la luz intestinal.intestinal.
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Causas de acumulación Causas de acumulación anormal de gas intestinalanormal de gas intestinal
Distensión gástrica (úlcera, hipertrofia pilórica, Distensión gástrica (úlcera, hipertrofia pilórica, anomalía congénita, paresia gástrica en diabetes, anomalía congénita, paresia gástrica en diabetes, vagotomía, etc).vagotomía, etc).
Obstrucción o estenosis duodenal (atresia duodenal, Obstrucción o estenosis duodenal (atresia duodenal, úlcera postbulbar, quiste de duplicación, etc.)úlcera postbulbar, quiste de duplicación, etc.)
Íleo adinámico (posquirúrgico, peritonitis, Íleo adinámico (posquirúrgico, peritonitis, medicamentoso, asa centinela, etc.)medicamentoso, asa centinela, etc.)
Obstrucción del ID (adherencias, hernias, íleo biliar, Obstrucción del ID (adherencias, hernias, íleo biliar, etc.)etc.)
Megacolon (enfermedad de Hirschprung, tóxico, Megacolon (enfermedad de Hirschprung, tóxico, colitis ulcerosa).colitis ulcerosa).
Obstrucción del colon (tumor, vólvulo, adherencias, Obstrucción del colon (tumor, vólvulo, adherencias, hernias, bolo fecal).hernias, bolo fecal).
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Ileo paralíticoIleo paralítico
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Ileo mecánicoIleo mecánico
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VólvuloVólvulo
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Bolo fecalBolo fecal
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InvaginacióInvaginaciónn
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AtresiaAtresiaIlealIleal
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AtresiaAtresiayeyunalyeyunal
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AtresiaAtresiaColónicaColónica
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AnoAnoImperforadImperforad
oo
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BezoarBezoar
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HerniaHerniaEscrotalEscrotal
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HerniaHerniaUmbilicalUmbilical
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Causas de acumulación de gas Causas de acumulación de gas extraintestinalextraintestinal
Neumoperitoneo (perforación de víscera Neumoperitoneo (perforación de víscera hueca, traumatismo o iatrogénico).hueca, traumatismo o iatrogénico).
Neumatosis intestinal (idiopática, Neumatosis intestinal (idiopática, enterocolitis necrotizante, enfermedad enterocolitis necrotizante, enfermedad vascular mesentérica).vascular mesentérica).
Retroneumoperitoneo (perforación del Retroneumoperitoneo (perforación del duodeno o recto, absceso renal, duodeno o recto, absceso renal, pancreatitis).pancreatitis).
Gas intraluminal extraintestinal (aerobilia, Gas intraluminal extraintestinal (aerobilia, colecistis enfisematosa, etc.)colecistis enfisematosa, etc.)
Gas en búrbujas fijas (absceso, oblito)Gas en búrbujas fijas (absceso, oblito)
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NeumoperitoneNeumoperitoneoo
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NeumatosisNeumatosisIntestinalIntestinal
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RetroneumoperitonRetroneumoperiton
eoeo
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AerobiliaAerobilia
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CALCIFICACIONES CALCIFICACIONES ABDOMINALES (causas)ABDOMINALES (causas)
Viscerales (quiste hidatídico, TBC, Viscerales (quiste hidatídico, TBC, histoplasmosis, tumores, infartos, etc.).histoplasmosis, tumores, infartos, etc.).
Peritoneales (carcinomatosis, TBC, Peritoneales (carcinomatosis, TBC, tumores).tumores).
Vasculares (arterioesclerosis, Vasculares (arterioesclerosis, aneurismas, flebolitos).aneurismas, flebolitos).
Litiasis (biliar, urinaria, prostática, Litiasis (biliar, urinaria, prostática, apendicolito).apendicolito).
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Quiste HidatídicoQuiste Hidatídico
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MetástasiMetástasiss
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HemocromatosHemocromatosisis
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ThorotrasThorotrastt
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VesículaVesículaen en
porcelanporcelanaa
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PancreatitisPancreatitiscrónicacrónica
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PseudoquistPseudoquistee
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InsuficienciaInsuficienciasuprarrenalsuprarrenal
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CálculosCálculosen asta de en asta de
ciervociervo
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RiñónRiñónen esponjaen esponja
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LitiasisLitiasisureteralureteral
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AneurismaAneurismaarteria arteria renalrenal
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RiñónRiñónMasticMastic
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GanglioGanglioCalcificadCalcificad
oo
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QuisteQuiste mesentérico mesentérico
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ApendicolitoApendicolito
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ApéndiceApéndiceepiploicoepiploico
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DivertículoDivertículoMeckelMeckel
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NeoplasiaNeoplasiaindeferenciadindeferenciad
aa
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GranulomatoGranulomatosissis
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AneurismaAneurisma
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PerdigonePerdigoness
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CuerpoCuerpoextrañosextraños
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RestosRestosbariobario
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Alteraciones anatómicasAlteraciones anatómicas
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FluorosisFluorosis