{"title":"3D Pathology Anatomy - Gastrointestinal and Hepatobiliary Pathology","description":"","products":[{"product_id":"multiple-polyposis-coli","title":"Multiple Polyposis Coli","description":"\u003ch2\u003eMultiple Polyposis Coli\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis model consists of two segments of sigmoid colon. The mucosa of the bowel is studded with numerous sessile and pedunculated partially pigmented polyps up to 1.5 cm in maximum diameter. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere is no macroscopic evidence of malignant change.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725445496,"sku":"EZ-MP2070","price":930.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2070_3.jpg?v=1753970252"},{"product_id":"villous-adenoma-of-colon","title":"Villous adenoma of colon","description":"\u003ch2\u003eVillous adenoma of colon\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA 15 cm long segment of colon has been opened longitudinally to display a large sessile tumour with a velvety surface. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe tumour measures 11 x 7 cm in diameter and approaches within 2 cm of the distal resection margin. The mucosa is otherwise normal. The serosal surface is unremarkable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Histological examination confirmed the presence of a villous adenoma.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725478264,"sku":"EZ-MP2071","price":402.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2071.jpg?v=1753970106"},{"product_id":"fatty-liver","title":"Fatty Liver","description":"\u003ch2\u003eFatty Liver\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA slice of liver reveals the characteristic yellow\/grey and greasy appearance on one side.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e On the other side, the appearance is restricted to the outer margin whilst the central area displays darker colouration, possibly due to cirrhosis. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of fatty change in the liver.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725511032,"sku":"EZ-MP2072","price":264.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2072_3.jpg?v=1753969953"},{"product_id":"liver-cirrhosis","title":"Liver cirrhosis","description":"\u003ch2\u003eLiver cirrhosis\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA slice of liver has been mounted to display the cut surface, which shows multiple well-demarcated nodules varying in size from 1 to 7 mm in diameter. \u003c\/span\u003e\u003cspan\u003eThe external surface of the liver is also nodular and irregular. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of cirrhosis of the liver, with a mixed micro- and macro-nodular pattern and marked fatty change.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725609336,"sku":"EZ-MP2073","price":498.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2073_3.jpg?v=1753969857"},{"product_id":"ulcerative-colitis","title":"Ulcerative Colitis","description":"\u003ch2\u003eUlcerative Colitis\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe resected colon has been sliced open longitudinally to show the mucosal surface. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere is extensive confluent ulceration separated by oedematous islands of residual mucosa. The ulcers have necrotic bases with overhanging edges, some of which form ‘pseudo’-polyps. Histology of the bowel mucosa showed acute inflammatory changes with crypt abscesses, focal necrosis and ulceration. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of acute ulcerative colitis (UC).\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725805944,"sku":"EZ-MP2074","price":342.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2074_3.jpg?v=1753969651"},{"product_id":"cholelithiasis-gallstones","title":"Cholelithiasis (Gallstones)","description":"\u003ch2\u003eCholelithiasis (Gallstones)\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Model is a portion of the liver with attached gallbladder, which has been opened to display six large faceted mixed calculi. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of cholelithiasis (gallstones).\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725838712,"sku":"EZ-MP2075","price":288.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2075_3.jpg?v=1753969488"},{"product_id":"chronic-gastric-ulcer","title":"Chronic Gastric Ulcer","description":"\u003ch2\u003eChronic Gastric Ulcer\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe model is a 2cm coronal slice of tissue, which incorporates a portion of the stomach diaphragm, liver and pancreas. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe model has been opened to display a large ulcer at the upper end of the lesser curvature near the gastro-oesophageal junction. Macroscopically, the loss of substance at the site of the ulcer is oval, has 5-6cm in diameter and slightly elevated borders. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe base is clean and smooth with no evidence of haemorrhage. The gastric wall surrounding the ulcer is indurated, because of the fibrosis that involves the base of the ulcer and spreads beneath the surrounding mucosa. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBeing retractile, the fibrosis manages to \"pull\" the gastric mucosa towards the base of the ulcer, so that gastric mucosal folds converge radially around the loss of substance (this feature is not seen in ulcerated malignant gastric tumours). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is evident on the inferior aspect of the ulcer and less so superiorly.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725871480,"sku":"EZ-MP2076","price":546.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2076_4.jpg?v=1753960991"},{"product_id":"intussusception-of-small-bowel-due-to-metastatic-tumour","title":"Intussusception of small bowel due to metastatic tumour","description":"\u003ch2\u003eIntussusception of small bowel due to metastatic tumour\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe model is a segment of small bowel, approximately 20 cm in length, with attached mesentery up to 2 cm in width (more evident on the uncut aspect of the model). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAbout 5 cm from the proximal surgical resection margin (which is at the left-hand side of the model), a polypoid tumour 3 cm in diameter has become invaginated into the lumen of the bowel, and has been propelled distally, forming an intussusception 13 cm in length. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe tumour is seen at the apex of the intussusception (near the right-hand side of the model). The congestion and exudate seen on the mucosal surface of the intussusception (invaginated portion) are features considered with early ischaemic necrosis. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe macroscopic appearance is consistent with a metastatic malignant tumour, although the possibility of a primary tumour cannot be excluded.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831725904248,"sku":"EZ-MP2077","price":336.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2077.jpg?v=1753960329"},{"product_id":"gall-stone-ileus","title":"Gallstone Ileus","description":"\u003ch2\u003eGallstone Ileus\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis segment of small bowel has been opened to display a large pigmented, ovoid gallstone with a roughened surface. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of gallstone ileus.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726068088,"sku":"EZ-MP2078","price":366.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2078_3.jpg?v=1753960027"},{"product_id":"hirschsprungs-disease","title":"Hirschsprung's Disease","description":"\u003ch2\u003eHirschsprung's Disease\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis section of sigmoid colon has been opened to display the internal surface shown here. There is large dilation of the proximal section of bowel (sigmoid ) with loss of the normal mucosal pattern. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe distal section of bowel (rectum) has a normal diameter and a normal mucosal pattern but an absence of ganglion cells in the myenteric plexus. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of Hirschsprung's disease, also known as congenital aganglionic megacolon.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726100856,"sku":"EZ-MP2079","price":474.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2079.jpg?v=1753959567"},{"product_id":"adenocarcinoma-of-the-stomach","title":"Adenocarcinoma of the stomach","description":"\u003ch2\u003eAdenocarcinoma of the stomach\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis model sliced to include a sagittal view of the oesophagus, stomach, proximal duodenum and pancreas. A large 7x5cm ulcer is evident on the lesser curve of the stomach. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ulcer is shallow and broad with raised, rolled edges and necrotic debris at the base. There is a loss of gastric rugae radiating along the mucous from the ulcer. Dissection of the ulcer reveals elevation of the edge by pale homogenous tumour tissue. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere were two eroded arteries present within the ulcer crater with evidence of recent haemorrhage. The pancreas is adherent to the serosal aspect of the ulcer. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHistology taken from the lesion (sites visible as regular 3cm defects) demonstrated an ulcerating, well-differentiated adenocarcinoma of the stomach with direct invasion into the pancreas.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726133624,"sku":"EZ-MP2080","price":1206.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2080_5.jpg?v=1753959157"},{"product_id":"pedunculated-adenoma-of-the-colon","title":"Pedunculated Adenoma of the Colon","description":"\u003ch2\u003ePedunculated Adenoma of the Colon\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis model is the resected segment of the descending colon. There is a single dark lobulated mass visible arising from the mucosal surface. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is attached to a stalk which is 4cm in length. Histologically, the mass comprises a core of connective tissue covered with hyperplastic glandular epithelium of colonic type, with focal nuclear atypia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e This is an example of a tubular colonic adenoma.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726166392,"sku":"EZ-MP2081","price":216.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2081_3.jpg?v=1753958952"},{"product_id":"cholecystitis-and-cholelithiasis","title":"Cholecystitis and Cholelithiasis","description":"\u003ch2\u003eCholecystitis and Cholelithiasis\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA thick-walled gallbladder has been opened to display a thickened haemorrhagic mucosa and many irregular faceted calculi. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA large calculus is impacted in the neck of the gallbladder. The serosal surface of the gall bladder is congested and has lost its normal sheen. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of cholecystitis complicating cholelithiasis (gallstones).\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726264696,"sku":"EZ-MP2082","price":270.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2082_4.jpg?v=1753958127"},{"product_id":"mesenteric-metastases-from-cutaneous-malignant-melanoma","title":"Mesenteric Metastases from Cutaneous Malignant Melanoma","description":"\u003ch2\u003eMesenteric Metastases from Cutaneous Malignant Melanoma\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe model is a loop of small intestine mounted to display the mesentery, which contains numerous small dark brown, circumscribed nodules varying from pinhead size to approximately 1 cm in diameter. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHistology confirmed the diagnosis of metastatic melanoma.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726297464,"sku":"EZ-MP2083","price":204.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2083_4.jpg?v=1753957947"},{"product_id":"hepatic-duct-calculi-and-obstructive-biliary-cirrhosis","title":"Hepatic duct calculi and Obstructive Biliary Cirrhosis","description":"\u003ch2\u003eHepatic Duct Calculi and Obstructive Biliary Cirrhosis\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe model is a slice of liver mounted to display the cut surface. The capsule is slightly thickened, and the liver substance has a finely nodular appearance. Intrahepatic bile ducts are dilated. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the posterior or inferior surface is viewed, an irregular pigmented calculus, 10 mm in diameter, is seen impacted in a distended hepatic duct. Another smaller calculus 3 mm in diameter, has been dislodged. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis model represents an example of secondary biliary cirrhosis due to large duct obstruction from hepatic calculi.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726330232,"sku":"EZ-MP2084","price":354.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2084_2.jpg?v=1753957761"},{"product_id":"hepatocellular-carcinoma","title":"Hepatocellular Carcinoma","description":"\u003ch2\u003eHepatocellular Carcinoma\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis is a liver model. The cut surface of the liver has a multinodular appearance consistent with macronodular cirrhosis. These multiple nodules are of varying size up to 2cm in diameter, and are separated by narrow bands of fibrous tissue. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere are two large, round tumours also visible. These are 8cm and 6cm in diameter with a variegated cut surface due to focal necrosis, haemorrhage and bile staining. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is an example of hepatocellular carcinoma that has developed on the background of a cirrhotic liver.\u003c\/span\u003e\u003c\/p\u003e","brand":"Erler-Zimmer","offers":[{"title":"Default Title","offer_id":54831726363000,"sku":"EZ-MP2085","price":438.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/files\/MP2085_3_5d4c4ef7-c9c7-4538-bce0-f07cfc3829ac.jpg?v=1753957398"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/6087\/6201\/collections\/MP2070_3.jpg?v=1782222195","url":"https:\/\/simandskills.co.uk\/collections\/3d-pathology-anatomy-gastrointestinal-and-hepatobiliary-pathology.oembed","provider":"Sim \u0026 Skills","version":"1.0","type":"link"}