groin hernias

Apr 15th, 2015
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ABDOMINAL WALLHERNIASI(GROIN HERNIAS)DR. GEORGE W. O. MUGENYAMBChB, MMed, FCS (ECSA)HERNIADefinition:Protrusion of a viscus or part of itthrough a defect in the wall of thecontaining cavity.Classification of hernias Congenitalor acquired Abdominal or extra-abdominal Internal or externalHERNIASABDOMINAL HERNIASGroin Hernia (75 %): Inguinal Hernia Femoral HerniaVentral Hernia (25 %): Umbilical Hernia (congenital in children) Paraumbilical Hernia (adults) Epigastric Hernia Incisional Hernia Spigelian HerniaAbdominal Wall Hernias.Abdominal Wall LayersSkinExternal obliqueInternal obliqueTransversus abdominusTransversalis fascia (major strength layer)PeritoneumHERNIASETIOLOGY: Predisposing factors: Increasedintra-abdominal pressure Pregnancy Congenital preformed sac Undescended testis Obesity Collagen abnormalitiesHERNIASINCIDENCE OF HERNIAS Excluding incisional hernia:* 75% inguinal* 15% umbilical* 8.5% femoral* 1.5% rare herniasHERNIASCOMPOSITIONI. Sac (diverticulum of peritoneum): Consists of Neck,Body and Fundus.II. Coverings: Consists of layers of abdominal wall throughwhich the sac passes.III. Contents: Omentum => Omentocele Intestine => Entrocele Portion of intestinal wall =>Richters Hernia Meckels diverticulum =>Littres HerniaNB: 1.Sliding hernia: -part of viscera / content forms part of thes

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