Microscopy

Articles

• necrosis
  9 November 2004

  tissular death

• acute inflammation
  1 June 2004

  Digital cases
  Case 25 (HPC:25) : Acute appendicitis
  Case 94 (HPC:94) : Acute appendicitis
  Case 13 (HPC:13) : Acute synovitis
  Definition: Acute inflammation is a rapid response to an injurious agent that serves to deliver mediators of host defense-leukocytes and plasma proteins-to the site of injury.
  Types - Lesional patterns
  acute inflammation
  congestive inflammation
  cellular acute inflammation
  suppurative inflammation / suppuration
  abcess / abcesses / abcedation (...)

• fibrosarcomas
  30 May 2004

  Digital slides
  HPC:38 : Sclerosing epithelioid fibrosarcoma
  UI: - Adult-type fibrosarcoma.
  JRC:5320 : Mammary adult-type fibrosarcoma.
  JRC:6324 : pulmonary fibrosarcoma.
  Types
  congenital fibrosarcoma
  adult-type fibrosarcoma
  sclerosing epithelioid fibrosarcoma
  myxofibrosarcoma
  myofibrosarcoma
  low-grade
  inflammatory myxohyaline/myxoinflammatory fibroblastic (...)

• crystals
  3 December 2005

  Localization
  intracellular crystals
  extracellular crystals crystals in synovial fluid
  Types
  cholesterol crystals
  urate crystals
  oxalate crystals
  tyrosine crystals
  Associations
  crystals in prostatic adencoarcinoma https://twitter.com/ridenoro/status/734953635021393921
  calcium oxalate crystalsin Aspergillus niger infection in ear https://twitter.com/hematogones/status/822175383047077889
  See also
  deposits tissular deposits crystal (...)

• hepatoblastoma
  16 March 2004

  hepatoblastomas
  Definition: Hepatoblastoma is a malignant embryonal liver tumor that occurs almost exclusively in infants and very young children.
  Image
  Macroscopy : https://twitter.com/DraEosina/status/762631086207893506
  Cytology: https://twitter.com/AdamGomezMD/status/720632495671087104
  https://twitter.com/MArnold_PedPath/status/736000944303808512
  Hepatoblastoma is composed of epithelial and mesenchymal elements in varying proportions and at various stages of differentiation. The (...)

• granulomatous colitis
  18 October 2004

  Etiology (exemples)
  Crohn disease
  tuberculous enterocolitis
  digestive CGD (chronic granulomatous disease)
  Hermansky-Pudlak syndrome
  See also
  granulomatoses digestive granulomatoses

• deep-penetrating nevus
  1 July 2004

  plexiform spindle cell nevus

• spleen
  28 August 2003

  Normal spleen. Adj. splenic
  WP - PathPedia
  Digital slides
  HPC:97 : Normal spleen
  HPC:266 : Normal spleen
  HPC:300 : Normal spleen (Idiopathic thrombopenic purpura)
  Images
  normal spleen
  https://twitter.com/histocasino/status/743550252267999232
  The spleen (from Greek σπλήν—splḗn) is an organ found in virtually all vertebrate animals. Similar in structure to a large lymph node, it acts primarily as a blood filter. Thus, life is possible after the spleen is removed.
  The spleen is the (...)

• 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 (...)

• foamy macrophages
  24 October 2003

  spumous macrophages, foamy macrophages, foam cells; lipid-laden histiocytes, foamy histiocytes; lipid-laden macrophages; foamy histiocyte; foamy histiocytes; xanthomatous histiocytes
  Definition: Histiocytes that are laden with lipid (predominantly cholesterol ), and that have differentiated from circulating monocytes.
  Images
  foamy macrophages in lung; amiodarone exposure
  https://twitter.com/smlungpathguy/status/715529010176999424
  In tumors
  giant cell tumor of tendinous sheath (...)

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