This is a comprehensive reference covering all major GIT palpation signs drawn from Bailey & Love, Sabiston, Yamada, Sleisenger & Fordtran, Harrison's, Robbins, and other authoritative sources. Here's a summary of the structure:
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Peritoneal/Abdominal Wall Signs - Rebound/Blumberg, rigidity/guarding, Carnett's (abdominal wall source), Fothergill's (rectus hematoma), Aaron's, Danforth's
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Hepatobiliary Signs - Murphy's sign (acute cholecystitis, sensitivity 65%, specificity 87%; sonographic variant = 92% PPV with stones), Courvoisier's sign with its law and anatomical basis (distal CBD obstruction = malignant), Charcot's Triad + Reynolds' Pentad with Tokyo grading
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Appendiceal Signs - McBurney's point, Rovsing's, Psoas/Iliopsoas, Obturator (Zachary Cope's), Pointing, Ten Horn, Aaron's - each correlated with appendix POSITION (retrocecal = silent appendix; pelvic = no rigidity)
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Pancreatic/Retroperitoneal Hemorrhage - Grey-Turner (flanks), Cullen's (periumbilical), Fox's (below inguinal ligament), Bryant's (scrotum), Walzel's (livedo), Ransohoff's (yellow periumbilical = ruptured CBD) - all with frequency (<3%) and prognostic significance
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Splenic Signs - Splenomegaly palpation technique, Balance sign (splenic rupture), massive splenomegaly differential
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Metastatic Signs - Virchow's node, Sister Mary Joseph's node, Krukenberg tumor, Blumer's shelf
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Hernia Signs - Howship-Romberg and Hannington-Kiff for obturator hernia
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Key Clinical Triads - Complete table including Murphy's Triad (appendicitis), Charcot/Reynolds (cholangitis), Courvoisier's Law, and pain-out-of-proportion (mesenteric ischemia)
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Master Eponymous Signs Table - 25 signs in one reference table
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Physiological findings - Normal palpation variants to avoid over-interpretation