Macroscopy

Articles

• colorectal polyps
  15 March 2004

  colorectal polyps, colonic polyp
  Definition: Broadly speaking, the word "polyp" simply denotes any mucosal elevation. Polyps may consist of benign or malignant epithelial proliferations, inflammatory infiltrates localized in the lamina propria, or deeper, submucosalor intramural mesenchymal proliferations, malformations, or even metastatic tumors.
  The three most common colorectal polyps are inflammatory, hyperplastic, and adenomatous.
  Classification
  colorectal epithelial polyps colorectal (...)

• leiomyosarcomas
  27 February 2004

  leiomyosarcoma

• Hirschsprung disease
  6 October 2003

  Hirschsprung’s disease, congenital intestinal aganglionosis, digestive aganglionnosis; digestive aganglionoses PO1 PO2
  Definition: Aganglionic megacolon is associated with congenital absence of intrinsic ganglion cells in the myenteric (Auerbach) and submucosal (Meissner) plexuses of the gastrointestinal tract. The disorder is genetically heterogeneous.
  Digital cases
  HPC:90 : rectal mucosa biopsies
  HPC:98 : rectal mucosa biopsies
  HPC:151 : Hirschsprung disease - Rectal (...)

• pancreatic solid pseudopapillary tumor
  12 November 2003

  PSPPT; solid-pseudopapillary tumor of the pancreas, Frantz tumor, Frantz’s tumor; solid pseudopapillary tumor of the pancreas; ICD-O codes Solid pseudopapillary neoplasm 8452/1, Solid pseudopapillary carcinoma 8452/3; pancreatic solid pseudopapillary tumor; pancreatic solid and pseudopapillary tumor; Solid-pseudopapillary neoplasm of the pancreas PathConsult
  Definition: Solid pseudopapillary neoplasms of the pancreas are rare pancreatic tumors with mostly benign behavior, affecting (...)

• pulmonary cystic fibrosis
  24 October 2006

  Cystic fibrosis (CF) results in chronic pulmonary disease in the majority of patients resulting from the production of viscous secretions and impairment of mucociliary clearance due to alterations in airway surface liquid.
  Chronic infection results, and the combination of tissue damage by pathogenic organisms and a robust host inflammatory response leads to the development of bronchiectasis and progressive lung disease.
  Cystic fibrosis (CF) lung disease involves chronic bacterial (...)

• plexiform schwannoma
  14 September 2005

  plexiform cellular schwannoma

• intestinal volvulus
  10 January 2006

  Associations (Exemples)
  gastroschisis

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• Meckel diverticulum
  21 May 2004

  Meckel diverticula

• acute pancreatitis
  11 May 2005

  Images
  The gross pathology and progression of acute pancreatitis
  https://twitter.com/PancPathologist/status/762627089111580672
  Synopsis
  complications
  peripancreatic free fluid collections
  extrapancreatic spread of acute pancreatitis
  infected or noninfected pseudocysts
  pancreatic abscess
  complex cystic structure with internal debris/septations and echogenic gas bubbles
  vascular pseudoaneurysm
  acute hemorrhage
  venous thrombosis
  associated gastric varices
  Etiology (...)

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