cancer de esofago
DESCRIPTION
CANCER DE ESOFAGOTRANSCRIPT
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CANCER DE ESOFAGODr. JAIR J. DAZA VERGARAUNIVERSIDAD METROPOLITANA
MEDICINA IX -A
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ANATOMIA DE ESOFAGO
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EPIDEMIOLOGIA
La incidencia es mayor en hombres que en mujeres. (3:1)
Es mas frecuentes en personas de raza negra
Suele aparecer entre los 50 y 70 años.
3ª neoplasia digestiva mas frecuente.
COMÚN • China • Rusia• Irán• Sudáfrica• Japón
POCO FRECUENTE • Países occidentales
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ETIOLOGIA Y FACTORES DE RIESGO
TABACO ALCOHOLBEBIDAS MUY CALIENTES
NITROSAMINA
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ETIOLOGIA Y FACTORES DE RIESGO
TILOSIS ACALASIA
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ESOFAGO DE BARRETT
ESOFAGITIS SINDROME DE PLUMMER VISON
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CLASIFICACION HISTOLOGICA
Tumores epiteliales: son mas frecuentes, derivan del epitelio interno del esófago y pueden ser.
Carcinoma epidermoide
Proliferante (60%) Ulcerado (52%) Infiltrante (15%)
Adenocarcinoma: Procede del epitelio cilíndrico mas distal del esófago de las glándulas submucosas.
Otros tumores epiteliales del esófago son:
Carcinoma mucoepidermoideCarcinoma de células pequeñasMelanoma esofágico
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CLASIFICACION HISTOLOGICA
Tumores no epiteliales: proceden de los elementos que conforman la pared del esófago. Células musculares, nervios, etc.
Son poco frecuentes los mas importantes son:
Leiomiosarcoma: Derivan de la pared de musculo liso que conforman la pared.
Tumor neurogenico: Procede de los elementos nervioso de la pared esofágica.
Fibrosarcoma y liposarcoma: Derivan de los fibroblastos y celulas adiposas.
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CARCINOMA EPIDERMOIDE
90% de los casos
Localiza esófago torácico medio 50-65% y en el tercio inferior en 25-35%.
Se relaciona con Acalasia, Snd de Plummer Vinson y divertículos esofágicos.
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ADENOCARCINOMA DE ESÓFAGO
Representa de 2-5% de la totalidad de los casos.
Más frecuente en el tercio inferior 60%
60-80% de los px se origina a partir del esófago de Barrett.
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MANIFESTACIONES CLINICAS
•TOS
•VOMITO
•DISFAGIA
•ANOREXIA
•ODINOFAGIA
•REGURGITACION
•PERDIDA DE PESO
•DOLOR TORACICO RETROESTERNAL
SINTOMAS
Etapas avanzadas:• Neumonía • Derrame pleural• Ascitis
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ESTADIFICACION
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DIAGNOSTICO
Anamnesis meticulosa
DisfagiaPérdida de pesoTosDisfoníaDolor abdominal
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Examen físico cuidadoso
Adenopatías cervicales
Ascitis
Visceromegalias
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Esofagograma con Bario
Muestra estenosis, irregularidad en el trayecto del esófago.
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Esofagoscopia
Permite la visión directa del tumor.
Su localización.
Toma de biopsia.
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Laringoscopia
Parálisis cordal
Secundaria a la lesión del laríngeo recurrente
Afección del espacio paraglótico
Afección de la articulación cricoaritenoidea
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TRATAMIENTO
ESOFAGECTOMIA TRANSHIATAL
ABORDAJE IVOR – LEWIS
LINFADENECTOMIA
ACCESO DE SWEET
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TRANSHIATAL
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TRANSVERSA IZQUIERDA
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IVOR LEWIS
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TRIPLE ACCESO
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ESOFAGECTOMÍA TRANSHIATAL
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGECTOMÍA TRANSHIATAL
JAIR DAZA V
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ESOFAGOECTOMIA TRANSTORACCICAABORDAJE DE IVOR LEWIS
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ESOFAGOECTOMIA TRANSTORACCICAABORDAJE DE IVOR LEWIS
JAIR DAZA V
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ESOFAGOECTOMIA TRANSTORACCICAABORDAJE DE IVOR LEWIS
JAIR DAZA V
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GRACIAS
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