Microscopy

Articles

• actinic keratosis
  6 July 2004

  solar keratosis, senile keratosis, pre-epitheliomatous keratosis WKP
  Digital cases
  UI:906 - Actinic keratosis.
  UI:917 - Actinic keratosis.
  UI:1826- Actinic keratosis.
  JRC:10567 : Actinic keratosis.
  JRC:10569 : Actinic keratosis.
  Definition: Actinic keratosis is a premalignant condition of thick, scaly, or crusty patches of skin
  It is more common in fair-skinned people and it is associated with those who are frequently exposed to the sun, as it is usually accompanied by (...)

• echinococcosis
  5 December 2005

  hydatid disease
  Definition: Echinococcosis, which is often referred to as hydatid disease or echinococcal disease, is a parasitic disease that affects both humans and other mammals, such as sheep, dogs, rodents and horses.
  Images
  hepatic cystic echinococcosis / Echinococcus granulosus
  https://twitter.com/RhondaYantiss/status/851519941299851265
  There are three different forms of echinococcosis found in humans, each of which is caused by the larval stages of different species of the (...)

• 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 (...)

• choledochal cyst
  4 July 2005

  congenital choledochal cyst

• 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 (...)

• Cryptococcus neoformans
  29 August 2005

  Torula histolytica
  Definition: Cryptococcus neoformans (formerly known as Torula histolytica) is an encapsulated yeast-like fungus found in dried avian (particularly pigeon) and bat excreta, and in dust contaminated with such droppings.
  Images
  Cryptococcus disseminated to lung, spleen, kidney, thyroid.
  https://twitter.com/JMGardnerMD/status/866107567046610945
  granuloma with Cryptococcus neoformans
  https://twitter.com/smlungpathguy/status/877392725959749632
  Digital cases
  HPC:62 (...)

• acute lymphoblastic leukemia
  30 May 2004

  acute lymphoid leukemias, ALL: acute lymphoblastic leukemias
  Images
  acute lymphoblastic leukemia T in bone marrow
  https://twitter.com/BellaMicheleang/status/766174212067319808
  Types
  B-cell acute lymphoblastic leukemia / B-cell ALL
  T-cell acute lymphoblastic leukemia / T-cell ALL
  FAB and WHO classifications
  The FAB classification system described three subtypes of ALL (L1, L2, and L3), defined by individual cytologic features such as cell size, nuclear chromatin pattern, (...)

• acute chorioamnionitis
  10 May 2004

  Images
  IUFD - severe chorioamnionitis (from prior post) https://twitter.com/E_Heidi_Cheek/status/879497233669992448
  Synopsis
  infiltration of membranes by granulocytes
  acute chorionic vasculitis
  Etiology
  infectious chorioamnionitis bacterial chorioamnionitis fungal chorioamnionitis candidal chorioamnionitis
  See also
  placental anomalies
  placental infections

• cholesterol crystals
  3 December 2005

  cholesterol clefts; Cholesterol crystal clefts
  Images
  aortic atherosclerotic plaque Image: https://twitter.com/BeynonMD/status/718292728862400512
  cholesterol embolism / cholesterol embolus with cholesterol clefts https://twitter.com/BethBraunhut/status/877208580209999876
  Cholesterol crystal clefts and foreing-body giant cells found in radicular cyst https://twitter.com/reportesVilla/status/879410114914136064
  See also (...)

• hepatic fibrosis
  11 March 2004

  liver fibrosis, liver fibrogenesis

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