Microscopy

Articles

• 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 (...)

• 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 (...)

• 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 appendicitis
  2 September 2004

  Digital cases
  HPC:25 : acute appendicitis
  HPC:94 : acute appendicitis
  HPC:368 : Granulation tissue after acute appendicitis
  Videos
  Acute appendicitis (by Washington Deceit)
  Peri-appendiceal abscess (by Washington Deceit)
  Laparoscopic appendicectomy
  See also
  appendicectomy (videos)
  References
  Lamps LW. Appendicitis and infections of the appendix. Semin Diagn Pathol. 2004 May;21(2):86-97. PMID: #15807469#
  References
  Minimal added value of further blocks in negative (...)

• Niemann-Pick diseases
  16 October 2003

  Niemann-Pick disease, NPDs

• granulomatous colitis
  18 October 2004

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

• mammary fibroadenoma
  18 January 2005

  breast fibroadenoma, Benign cystosarcoma phyllodes, Cellular fibroadenoma, Cellular adenofibroma, Fetal fibroadenoma, Juvenile adenofibroma; mammary fibroadenoma PO Webpathology BP
  Definition : The mammary fibroadenoma is a benign mammary biphasic tumor with epithelial and stromal components.
  It is a benign breast lesion that result from hyperplasia of the normal lobules.
  It is a circumscribed, often large, breast mass usually occuring in adolescent females with stromal and (...)

• sinonasal mucosa
  29 June 2005

  nasal mucosa
  Images
  Sinonasal mucosa https://twitter.com/ARP_Press/status/860584726997815297
  See also
  rhinopharynx
  nasal cavities
  sinonasal tract

• necrosis
  9 November 2004

  tissular death

• hydatiform mole
  28 April 2004

  molar gestation; hydatiform moles
  Images
  partial hydatiform mole by Ed Euthman
  complete hydatiform mole
  https://twitter.com/luishcruzc/status/738155933801418752
  https://twitter.com/KUSAURAP/status/778827207976230916
  Definition: Hydatiform mole is a gestational trophoblastic disorder.
  Accurate diagnosis and classification of hydatidiform mole (HM) are important because the risk of persistent gestational trophoblastic disease, including choriocarcinoma, is significantly higher (...)

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