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Blood Supply to the Digestive System01:16

Blood Supply to the Digestive System

Splanchnic circulation refers to the network of blood vessels that supply and drain blood from the abdominal organs involved in digestion, including the stomach, liver, pancreas, intestines, and spleen. This circulation delivers essential nutrients and oxygen while removing waste products from these organs.
Blood Supply to the Digestive System: The splanchnic circulation involves three main arteries: the celiac artery (also known as the celiac trunk) and the superior and inferior mesenteric...
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Esophageal Varices-II: Clinical Features and Management

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In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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Inflammatory Bowel Disease IV: Clinical Manifestations

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Video Experimental Relacionado

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Laparoscopic S7 Hepatectomy with Positive Fluorescence Staining
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¿El sangrado rectal aislado sugiere cáncer colorrectal?

M Douek, M Wickramasinghe, M A Clifton

    Lancet (London, England)
    |August 7, 1999
    PubMed
    Resumen

    El sangrado rectal puede indicar cáncer colorrectal, pero a menudo señala problemas menores. El sangrado rectal aislado rara vez es el único síntoma del cáncer colorrectal.

    Área de la Ciencia:

    • Gastroenterología y Gastroenterología.
    • Oncología Oncología.

    Sus antecedentes:

    • El sangrado rectal es un síntoma común con varias causas potenciales.
    • Aunque está asociado con el cáncer colorrectal, no es un indicador universal.

    Objetivo del estudio:

    • Para aclarar la asociación entre el sangrado rectal y el cáncer colorrectal.
    • Para determinar la frecuencia de sangrado rectal aislado en el diagnóstico de cáncer colorrectal.

    Principales métodos:

    • Revisión de la literatura existente sobre el sangrado rectal y el cáncer colorrectal.
    • Análisis de datos de pacientes que correlacionan los síntomas con los diagnósticos.

    Principales resultados:

    • El sangrado rectal no es un indicador universal del cáncer colorrectal.

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  • Los trastornos colorrectales menores son las causas más frecuentes de sangrado rectal.
  • El cáncer colorrectal rara vez se presenta únicamente con sangrado rectal.

    • Conclusiones:

    • El sangrado rectal requiere una evaluación médica para diferenciar entre afecciones menores y patologías graves.
    • La ausencia de otros síntomas junto con el sangrado rectal reduce la probabilidad de cáncer colorrectal.