Microscopy

Articles

• Mycobacterium sp.
  23 April 2004

  mycobacteria, mycobacterias

• necrosis
  9 November 2004

  tissular death

• 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 (...)

• 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 (...)

• Gaucher cells
  2 June 2008

  Gaucher cell
  Definition: Gaucher cells are found in the lungs, liver, spleen, thymus, adrenal glands, bone mafrow and brain.
  Images
  Gauche cells in Gaucher disease : crumpled tissue paper appearance https://twitter.com/levcan/status/732636211106467841 https://twitter.com/dr_abdulaleem/status/806725653680619520 https://twitter.com/BenMazer/status/835110467647471617 https://twitter.com/rositadeolivop1/status/714080946119581696
  Gaucher disease in bone (...)

• caseous necrosis
  16 September 2005

  Caseous necrosis is a distinctive form of coagulative necrosis, is encountered most often in foci of tuberculous infection.
  The term caseous is derived from the cheesy white gross appearance of the area of necrosis.
  On microscopic examination, the necrotic focus appears as amorphous granular debris seemingly composed of fragmented, coagulated cells and amorphous granular debris enclosed within a distinctive inflammatory border known as a granulomatous reaction. Unlike coagulative (...)

• papillary thyroid carcinoma
  15 March 2004

  TPC; PTC; thyroid papillary carcinoma
  Types
  classic PTC / classic papillary thyroid carcinoma
  FV-PTC / follicular variant of papillary thyroid carcinoma
  IFV-PTC / infiltrative FV-PTC
  EFV-PTV / encapsulated FV-PTC
  IEFV-PTC / invasive encapsulated FV-PTC
  NIEFV-PTC / non-invasive encapsulated FV-PTC
  Images
  typical papillary thyroid carcinoma
  https://twitter.com/nisspath/status/695415489837674496
  FNA of papillary thyroid carcinoma (...)

• 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

• colorectal adenoma
  12 May 2004

  colorectal adenomas
  Definition: Adenomas, the benign glandular neoplasms that precede colon cancer development, originate from the intestinal epithelium. They occur singly or multiply. When multiple, the patients may have a genetic predisposition syndrome for colorectal cancer.
  See also : colorectal adenoma with adenocarcinoma
  Endoscopy
  Small (< 5 mm) colorectal polyps commonly affect individuals older than 50 years of age and adenomas account for 60% to 66% ofthese small lesions. (...)

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