Notes in 10 Mesentery and peritoneum

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Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::visceral}} peritoneum lines the surface of all intraperitoneal organs
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::parietal}} peritoneum lines the outer walls of the peritoneal cavity.
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe most dependent portion of the peritoneal cavity (both supine and upright) is the {{c1::retrovesi…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe small bowel mesentery supplies both the {{c1::jejunum::small bowel component}} and {{c1::il…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::transverse mesocolon}} connects the {{c2::posterior transverse colon}} to the {{c3::p…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe three true mesenteries are:1.) {{c1::Small bowel}} mesentery2.) {{c2::Transverse}} mesocolon3.) …
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCompared to the mesentery, the greater and lesser omentum {{c1::do not::do/do not}} connect to …
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::greater omentum}} is a large drape-like mesentery in the anterior abdomen, which connects …
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::lesser omentum}} connects the {{c2::stomach}} to the {{c2::liver}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumWhat portions of the small bowel are retroperitoneal? {{c1::2nd-4th portions of the duodenum&nb…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumWhat portions of the large bowel are retroperitoneal? {{c1::Ascending and descending colon}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumWhat major abdominal organs are retroperitoneal? {{c1::Kidneys, adrenals, pancreas}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPeritoneal fluid is constantly produced, circulated, and finally resorbed around the {{c2::diaphragm…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumSystemic causes of mesenteric edema include {{c1::congestive heart failure::CV cause}}, {{c2::low pr…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c3::Focal mesenteric edema}} may be secondary to an intra-abdominal vascular cause, such as {{c2::…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe most common cause of mesenteric inflammation in the upper abdomen is {{c1::acute pancreatitis}}.…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIntra-abdominal hemorrhage on CT can appear as {{c1::"misty mesentery"}}, and tends to be local…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumNeoplastic infiltration of the mesentery may appear as {{c1::“misty” mesentery::radiological sign}}.…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumWhat is the most common small bowel tumor? {{c1::Gastrointestinal carcinoid}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCarcinoid tumor usually arises as an {{c1::intraluminal}} mass
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe differential diagnosis of a mesenteric mass includes {{c1::carcinoid}} tumor, {{c1::de…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumDesmoid tumor is a {{c1::benign::malignant/benign}}, locally {{c3::aggressive::aggressive/non-aggres…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumOn CT, most desmoid tumors are {{c1::isoattenuating}} to muscle, but large tumors may show {{c2::cen…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCase: Mesenteric massYellow arrow/diagnosis: {{c1::Carcinoid tumor }}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Sclerosing mesenteritis}} is a rare inflammatory condition that leads to {{c2::fatty necrosis …
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumMesenteric lymphoma can produce the {{c1::sandwich sign}}, where the mesenteric {{c1::fat and vessel…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumWhat primary tumor sites classically metastasize to the mesentery? {{c1::Gastric, colon, and ovarian…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Peritoneal carcinomatosis}} represents {{c2::disseminated metastases to the peritoneal surface…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Mucinous adenocarcinoma::general type}} is the most common tumor type to cause peritoneal carc…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Pseudomyxoma peritonei}} is a {{c2::low::low/high}}-grade malignancy characterized by {{c3::co…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPseudomyxoma peritonei is most commonly due to a mucin-producing {{c1::adenoma or adenocarcinom…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumClinically, pseudomyxoma peritonei presents with {{c1::recurrent mucinous ascites}}.
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumAdvanced pseudomyxoma peritonei shows pathognomonic {{c1::scalloping}} of the {{c2::hepatic margin}}…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumTreatment of pseudomyxoma peritonei are primarily with {{c1::surgical treatment}} and {{c1::hyperthe…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPeritoneal fluid preferentially travels from pelvis to upper abdomen via {{c1::paracolic g…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCase: Mesenteric massYellow arrows/Diagnosis: {{c1::Desmoid Tumor}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::transverse mesocolon}} divides the peritoneal cavity into {{c2::supra-mesocolic}} and {{c2…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumSclerosing mesenteritis can be divided into three stages: 1) mesenteric {{c1::lipodystrophy}}2)…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Mesenteric lipodystrophy}} is characterized by {{c2::foamy macrophages replacing mesenteric fa…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Mesenteric panniculitis}} represents {{c2::an infiltrate of immune cells}} resulting in {{c2::…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Retractile mesenteritis}} is characterized by collagen deposition, fat necrosis, and fibrosis …
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCase: Mesenteric massDiagnosis: {{c1::omental caking}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Omental infarct}} is due to vascular compromise to the greater omentum.
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCase: Peritoneal diseaseYellow arrow: {{c1::nodular mesenteric fat stranding}}Red arrow: {{c1::oment…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCase: Peritoneal diseaseYellow arrows: {{c1::scalloping of hepatic capsule}}Red arrow: {{c1::splenic…
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Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe bowel mesentery is oriented obliquely from the {{c2::ligament of Treitz}} in the LUQ t…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe peritoneum is a thin membrane consisting of a single layer of {{c1::mesothelial}} cells tha…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe transverse mesocolon connects the {{c1::posterior transverse colon}} to the {{c1::posterior abdo…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe sigmoid mesentery connects the {{c1::sigmoid colon}} to the {{c1::posterior abdominal wall}…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPeritoneal flow is anatomically limited in some locations, such as the {{c1::falciform ligament}} on…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPeritoneal flow is anatomically limited in some locations, such as the {{c1::phrenicocolic ligament}…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe most common tumor involving the mesentery is {{c1::non-Hodgkin lymphoma}}, which typically also …
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumDesmoid may be sporadic or arise in {{c1::post-operative::cause}} or {{c1::postpartum::condition}} p…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumMesenteric desmoid tumors are more common in patients with {{c1::Gardner}} sydnrome
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumGastrointestinal carcinoid typically occurs in the {{c1::distal ileum::specific small bowel loc…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumInfiltration of the mesentery by fluid, inflammatory cells, tumor, or fibrosis may {{c1::increase::i…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe term {{c1::omental caking}} describes {{c2::the replacement of omental fat by tumor and fibrosis…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe {{c1::mesentary}} are fatty folds covered by peritoneum through which the blood v…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumClassic carcinoid imaging appearance: {{c1::enhancing::enhancing/non-enhancing}} {{c1::soft-tissue::…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIn mesenteric panniculitis, the {{c1::fat ring sign}} represents a {{c1::halo of preserved fat}…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIn mesenteric panniculitis, {{c1::linear bands of soft tissue}} may be present and represe…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCase: Mesenteric massYellow arrows: {{c1::prominent lymph nodes with fat halo sign}}Diagnosis: {{c1:…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIdiopathic ometal infarct typically occurs in the {{c1::RLQ}} medial to {{c2::cecum/ascending c…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPseudomyxoma peritonei was previously thought to be due to {{c1::benign appendiceal mucocele}} which…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumMesenteric involvement of neoplastic infiltrates may be especially apparent after {{c…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe most dependent portion of the peritoneal cavity (both supine and upright) is…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumCarcinoid tumor may secondarily spread to the mesentery either by {{c2::direct extens…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPseudomyxoma peritonei, on CT shows {{c1::lobular}} ascites that is typically of slightly {{c2::high…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIn mesenteric {{c1::lipodystrophy}}, imaging may show subtle increased attenuation of mesentary
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIn mesenteric panniculitis, imaging shows {{c1::misty mesentery}}
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumIn retractile mesenteritis, CT shows {{c3::a mass-like area of heterogenously increased fa…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumFor an omental infarct, CT shows typically a large circumscribed area of {{c1::fat strandi…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumFor an omental infarct, ultrasound may show focal area of {{c1::increased::increased/decreased}…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumImaging for sclerosing mesenteritis shows mesenteric masses with {{c1::striations of soft tissu…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumThe infra-mesocolic compartment is divided into the right and left {{c2::infra-mesoco…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumPeritoneal fluid tends to travel along the paracolic gutter and accumulate in {{c1::dependent recess…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumA characteristic imaging feature for {{c1::desmoid}} tumors are strands of tissue radiating int…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumMesenteric {{c1::panniculitis}} may be associated with {{c2::fat ring sign::radiological s…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneumMesenteric {{c1::panniculitis}} may be associated with {{c2::linear bands of soft tissue}}…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Retractile Mesenteritis::stage of sclerosing mesenteritis}} is associated with calcifications,…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Pseudomyxoma Peritonei}} is often associated with and {{c2::ovarian::organ}} mass which i…
Published	05/01/2023	Gastrointestinal Imaging: Mesentery and peritoneum{{c1::Peritoneal carcinomatosis}} is associated with {{c2::omental}} carcinomatosis and&nb…
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