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Tag: HEPATOBILIARY SYSTEM

Podcasts

Primary sclerosing cholangitis

26 Apr 202226 Apr 2022
Podcasts

Intra ductal papillary mucinous tumor of pancreas

18 Apr 202218 Apr 2022
Podcasts

Hepatic steatosis

8 Apr 20228 Apr 2022
Section

Mirizzi syndrome

25 Dec 202118 Dec 2021
Common bile duct narrowing and fibrosis due to chronic gallstone diseaseStone usually impacted in gall bladder neck, cystic duct or cystic duct remnantFistula can develop between gall bladder or cystic…
Section

Primary sclerosing cholangitis

24 Dec 202118 Dec 2021
70% patients have history of inflammatory bowel disease - ulcerative colitisMultiple segments of stricture involving intra- and/or extra-hepatic ductsBile duct wall thickening at sites of structuring Small diverticula-like outpouchingsCholangiocarcinoma in 10%…
Section

Angiosarcoma (spleen)

20 Dec 202115 Dec 2021
Rare, poor prognosisMultiple nodules of varying sizeSolitary solid mass with cystic components, variable enhancement Well-defined hemorrhagic nodulesDiffuse spleen involvement Imaging  CT: hypodense on plain with areas of increased attenuation due to…
Section

Portal hypertension

20 Dec 202115 Dec 2021
Normal pressure difference between wedged hepatic vein and IVC = 4-8 mm HgHigher pressures suggest portal hypertensionAscitesDistended mesenteric veinsDistended walls of gall bladderStomach and small bowel are edematousSplenomegaly not always…
Section

Epithelioid hemangioendothelioma

19 Dec 202115 Dec 2021
Tumor of vascular originAdult womenConsists of epithelioid endothelial cellsOccasionally contains punctate calcificationMultiple peripheral nodules that coalesce, cause capsular retraction, with compensatory hypertrophy of uninvolved liver segments Can cause hepatic vein occlusion…
Section

Fibrolamellar carcinoma (liver)

19 Dec 202115 Dec 2021
5-35 years age Arise spontaneouslySolitary, lobulated, well-defined tumor with central scarPunctuate calcification within scar in >50% casesContains fibrotic lamellae and numerous eosinophilic hepatocytesResection when possible5-year survival 60% Imaging  CT: well-defined lobulated,…
Section

Focal fat (liver)

18 Dec 202115 Dec 2021
Regional or focalCauses confusion if there is any underlying massCommon sites: either side of falciform ligament, around gall bladder fossa, posterior aspect of segment IVVariations in local blood supply and…
Section

Hemangioma (liver)

18 Dec 202114 Dec 2021
Commonest benign hepatic tumor 4-20% post-mortem prevalenceVascular channels of varying size, lined with endothelium, has intervening fibrous tissueAsymptomatic incidental findings Lesions 2-4 cm in size show typical imaging findings  Imaging  US: well…
Section

Portal venous gas

17 Dec 202114 Dec 2021
Always abnormalPresent when intestinal permeability increases or when there is increase in intestinal luminal pressureNeonatal necrotising enterocolitis, adults with gastric emphysema, intestinal obstruction, infection, Crohn diseaseBlunt abdominal trauma, invasive malignancies…

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