[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-272158-105":59,"doc-detail-272158-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","ssat-absite-review-hpb","SSAT ABSITE Review - HPB","","SSAT ABSITE Review - HPB provides a high-yield surgical education overview focused on hepatobiliary and pancreatic topics for exam preparation. The content outlines liver anatomy using Cantlie’s line and segmental divisions, then surveys liver abscesses (pyogenic, amebic, echinococcal) with characteristic CT findings and treatment approaches. It also covers benign and malignant liver lesions, including key epidemiology, imaging patterns, and management options, followed by liver failure and portal hypertension concepts and core biliary physiology fundamentals.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/ssat-absite-review-hpb/272158/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/ssat-absite-review-hpb/272158.png","ImageObject",300,407,{"name":92,"@type":93},"Liam","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-09-15",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the key features of pyogenic liver abscesses and typical treatment?","Question",{"text":112,"@type":113},"Pyogenic abscesses are most common and usually involve Gram-negative organisms like E. coli and K. pneumoniae. Imaging shows peripheral rim enhancement with central hypoattenuation and often multi-loculated lesions; treatment uses percutaneous drainage plus antibiotics.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do amebic and echinococcal liver abscesses differ clinically and on imaging?",{"text":117,"@type":113},"Amebic abscesses are male-predominant and linked to travel history, caused by E. histolytica with characteristic CT findings of a well-defined hypoattenuating lesion and peripheral enhancing edema. Echinococcal disease is endemic to multiple regions, often shows septae/daughter cysts on CT with possible peripheral calcifications, and is treated with albendazole plus PAIR or surgical resection.",{"name":119,"@type":110,"acceptedAnswer":120},"What parameters are used to diagnose portal hypertension and assess liver failure severity?",{"text":121,"@type":113},"Portal hypertension is assessed using the hepatic venous pressure gradient (HVPG), with clinically significant disease when HVPG exceeds 10 mmHg. Liver failure severity is evaluated using Child-Pugh components (bilirubin, PT/INR, albumin, ascites, encephalopathy) and MELD components (bilirubin, PT/INR, creatinine).","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},272158,1789463595,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":56,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143},8796095461564,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","SSAT ABSITE Review: HPB  \nDouglas Cassidy, MD  \nMGH Surgical Education Research and Simulation Fellow  \nContent Outline  \n• Liver  \n• Anatomy  \n• Liver Abscesses  \n• Benign Liver Lesions  \n• Malignant Liver Lesions  \n• Liver Failure + Portal Hypertension  \n• Biliary  \n• Anatomy and Physiology  \n• Bile Duct Injury  \n• Benign Biliary Pathology  \n• Bile Duct and Gallbladder Cancer  \n• Pancreas  \n• Anatomy, Embryology, and Physiology  \n• Acute and Chronic Pancreatitis  \n• Cystic Lesions of the Pancreas  \n• Pancreatic Adenocarcinoma  \n• Neuroendocrine Tumors of the Pancreas  \nLiver Anatomy  \n• Divided into functional right and left lobes by Cantlie’s line  \n• Cantlie’s Line: vertical plane extending from the middle of the gallbladder fossa to the IVC  \n• Middle hepatic vein divides segments V/VIII from IV  \n• Right Lobe (segments V-VIII)  \n• Divided into anteromedial (V, VIII) and posterolateral (VI, VII) segments by the right hepatic vein  \n• Left Lobe (segments II-IV)  \n• Divided into an anterior (III, IV) and posterior (II) segment by the left hepatic vein  \n• Anterior Section: divided by the umbilical fissure [between III and IV]; which contains a main branch of the left hepatic vein (umbilical fissure vein)  \n• Caudate Lobe (I): receives separate right and left portal and arterial inflow; drains directly into the retrohepatic IVC  \nRight Liver Left Liver  \nExtended Right Hepatectomy (Right Trisegmentectomy)  \n Extended Left Hepatectomy (Left Trisegmentectomy)   \nPosterior (II)  \nAnterior (III)  \nPosterior (VI, VII)  Anterior (V, VIII)  \nLeft Medial (IV) Left Lateral (II, III)  \nLiver Abscesses  \n• Pyogenic  \n• Most common; GNRs (\\#1 E. coli, \\#2, K. pneumoniae)  \n• Direct spread from biliary tree (\\#1)  \n• CT: peripheral enhancing, central hypoattenuating, multi-loculated (vs. amebic)  \n• FNA with WBCs +/ -organisms  \n• Tx: percutaneous drainage + Abx  \n• Amebic  \n• Epi: male predominant; hx of travel (Central/South America)  \n• Pathogen: E. histolytica (fecal-oral); +Abs  \n• CT: well-defined hypoattenuating lesion with peripheral wall of enhancing edema  \n• Central localized hepatic necrosis (no organisms on FNA)  \n• Tx: metronidazole; drainage if poor response/superinfection  \n• Echinococcal  \n• Epi: endemic to Mediterranean, East Africa, Middle East, South America, Asia  \n• Pathogen: E. granulosus; fecal-oral; eosinophilia, +serology, +Casoni  \n• CT: hypoattenuating lesion, septae/daughter cysts (75%), +/ -peripheral calcifications (50%)  \n• Pericyst, ectocyst, endocyst (germinal layer--gives rise to daughter cysts)  \n• Tx: albendazole, PAIR/surgical resection  \nBenign Liver Lesions  \n• Hemangioma  \n• Epi: most common benign tumor; F > M (3:1)  \n• CT: late contrast puddling is pathognomonic  \n• PERIPHERAL enhancement on ARTERIAL phase  \n• CENTRIPETAL filling on PORTAL VENOUS phase  \n• Retention of contrast on washout or delayed phase  \n• Tx: angioembolization for bleeding; enucleation if symptomatic  \n• Hepatic Adenoma  \n• Epi: female predominant; hormonally sensitive (OCPs, steroids)  \n• Risk of bleeding and malignant transformation  \n• CT: well-marginated, isointense on NC CT; HYPERINTENSE on ARTERIAL phase; rapid washout;+/ -heterogenous due to hemorrhage  \n• No Eovist (Gd) [MRI] or sulfur colloid [NM scan] retention (no Kupffer cells)  \n• Tx: discontinue offending agent; resection if >5cm, symptomatic  \n• Focal Nodular Hyperplasia (FNH)  \n• No risk of bleeding or malignant transformation  \n• CT: homogenous mass with CENTRAL scar; HYPERINTENSE on ARTERIAL phase  \n• Central Scar: hypoattenuating on arterial phase; hyperattenuating on delay  \n• Eovist (Gd) and sulfur colloid uptake (+ Kupffer cells)  \n• Tx: observation  \nMalignant Liver Lesions  \n• Hepatocellular Carcinoma  \n• Most common primary hepatic malignancy  \n• HBV infection \\#1 cause worldwide; 80% in setting of cirrhosis  \n• Screening: AFP + ultrasound every 6 months for AT RISK PATIENTS  \n• CT: primarily arterial inflow  \n• Heterogenous; Early arterial enhanceme","cbCainTd3OWYgsLG","https://ap.wps.com/l/cbCainTd3OWYgsLG","pdf",1928889,"English","# Content Outline\n## Liver\n## Liver Anatomy\n## Liver Abscesses\n## Benign Liver Lesions\n## Malignant Liver Lesions\n## Liver Failure + Portal Hypertension\n## Biliary\n## Pancreas","[{\"question\":\"What are the key features of pyogenic liver abscesses and typical treatment?\",\"answer\":\"Pyogenic abscesses are most common and usually involve Gram-negative organisms like E. coli and K. pneumoniae. Imaging shows peripheral rim enhancement with central hypoattenuation and often multi-loculated lesions; treatment uses percutaneous drainage plus antibiotics.\"},{\"question\":\"How do amebic and echinococcal liver abscesses differ clinically and on imaging?\",\"answer\":\"Amebic abscesses are male-predominant and linked to travel history, caused by E. histolytica with characteristic CT findings of a well-defined hypoattenuating lesion and peripheral enhancing edema. Echinococcal disease is endemic to multiple regions, often shows septae/daughter cysts on CT with possible peripheral calcifications, and is treated with albendazole plus PAIR or surgical resection.\"},{\"question\":\"What parameters are used to diagnose portal hypertension and assess liver failure severity?\",\"answer\":\"Portal hypertension is assessed using the hepatic venous pressure gradient (HVPG), with clinically significant disease when HVPG exceeds 10 mmHg. Liver failure severity is evaluated using Child-Pugh components (bilirubin, PT/INR, albumin, ascites, encephalopathy) and MELD components (bilirubin, PT/INR, creatinine).\"}]","SSAT ABSITE Review - HPB | PDF",48]