Digestive system

• inspissated mucin in small bowel crypts
  9 November 2016

  Images
  appendiceal cystic fibrosis https://twitter.com/mreyesm/status/726500475139428352
  inspissated mucin in small bowel crypts in cystic fibrosis https://twitter.com/DraEosina/status/795994587768770560
  See also
  anomalies of digestive mucus
  anomalies of intestinal crypts

• digestive neurofibroma
  7 October 2016

  The clinical significance of isolated, intestinal neurofibromas has not been well established.
  Though typically benign lesions, they have been reported to undergo malignant transformation, particularly when associated with NF1 and in larger, plexiform lesions.
  Gastrointestinal neurofibromas are usually asymptomatic, but may present with bleeding, anemia, or signs or symptoms of obstruction.
  Indications for evaluation of gastrointestinal complications in the setting of NF1 include (...)

• digestive lymphoid nodules
  21 August 2016

  digestive lymphoid nodule
  Localization
  esophageal lymphoid nodules
  gastric lymphoid nodules
  duodenal lymphoid nodules
  intestinal lymphoid nodules
  colonic lymphoid nodules
  rectal lymphoid nodules
  Images
  small bowel, Bcl2+ lymphoid nodules https://twitter.com/AdamGomezMD/status/767018153691885568
  See also
  lymphoid nodules

• MADH4-associated juvenile polyposis
  11 August 2016, by admin

  SMAD4-associated juvenile polyposis
  Images
  Juvenile polyposis. SMAD4 mutation. only single small focus of dysplasia https://twitter.com/theslimmingdoc/status/763093812587687936
  See also
  MADH4-associated juvenile polyposis (SMAD4)
  BMPR1A-associated juvenile polyposis

• kayexalate-associated anomalies
  8 August 2016

  Examples
  digestive mucosal necrosis https://twitter.com/CArnold_GI/status/736281334281326592
  colonic tubulovillous adenoma with embedded Kayexalate https://twitter.com/GIPathologyURMC/status/851839884163784704

• digestive melanosis
  30 June 2016

  Images
  Wikimedia: intestinal melanosis
  Melanosis jejuni https://twitter.com/DrBabwah/status/836594622889668608
  See also
  intestinal melanosis
  melanosis
  lipofuscin deposits melanosis coli / colonic melanosis

• gastric metastasis
  30 June 2016

  Images
  25 M w/ stomach mass. gastric metastasis of a choriocarcinoma from testis (unknown previously) https://twitter.com/YasmeenButtMD/status/748278396069650432
  urothelial carcinoma metastatic to the stomach https://twitter.com/DraEosina/status/875060245739036672
  See also
  digestive metastasis

• juvenile polyposis with high grade dysplasia
  22 June 2016

  Images
  Colon resection performed for juvenile polyposis with high grade dysplasia in the polyps https://twitter.com/ARP_Press/status/745044008783732736
  See also
  juvenile polyposis juvenile polyp

• epithelioid gastrointestinal stromal tumor
  14 June 2016

  epithelioid GIST
  Types
  epithelioid gastrointestinal stromal tumor / epithelioid GIST https://twitter.com/KUSAURAP/status/742557943149658112
  See also
  gastrointestinal stromal tumor (GIST )

• digestive lymphoepithelial lesion
  6 June 2016

  digestive lymphoepithelial lesions
  Images
  https://twitter.com/GeronimoJrLapac/status/728706739999232000
  Lymphoepithelial lesions
  NOT A SPECIFIC FINDING
  Seen in benign circumstances: florid gastritis (Hashimoto’ s, myo/Iymphoepithelial sialadenitis)
  Seen in other lymphomas of B and T-cell type (can be "striking" in thyroid FL)
  NOT A REQUIRED FINDING
  MALT lymphomas can arise at sites without epithelial structures
  Very infrequent in MALT lymphomas in some gastrectomy specimens (...)

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