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 (...)

• gastric intestinal metaplasia
  13 December 2007

  intestinal metaplasia in stomach

• trachea
  3 December 2004

  Adj. tracheal WKP
  Definition : The trachea, colloquially called the windpipe, is a cartilaginous tube that connects the pharynx and larynx to the lungs, allowing the passage of air, and so is present in almost all air-breathing animals with lungs. The trachea extends from the larynx and branches into the two primary bronchi. At the top of the trachea the cricoid cartilage attaches it to the larynx. This is the only complete tracheal ring, the others being incomplete rings of (...)

• Candida sp.
  4 May 2004

  Adj. candidal

• lymphoepithelial sialadenitis
  5 November 2007

  LESA, myoepithelial sialadenitis, MESA, salivary benign lymphoepithelial lesion,
  Definition: LESA is found in virtually all patients with Sjögren’s syndrome but may occur without Sjogren’s syndrome. It is associated with lymphoid infiltration of salivary gland tissue, producing atrophy and destruction of the acini.
  Myoepithelial sialadenitis of the salivary gland is associated with an increased risk of lymphoma, but criteria that predict its development have not been clearly defined. (...)

• foamy macrophages
  24 October 2003

  spumous macrophages, foamy macrophages, foam cells; lipid-laden histiocytes, foamy histiocytes; lipid-laden macrophages; foamy histiocyte; foamy 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
  xanthograuloma (...)

• 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. (...)

• ovarian Leydig cell tumor
  1 April 2008

  hilus cell tumors of the ovary.
  Synopsis
  virilization (virilizing ovarian Leydig cell tumor)
  hyperandrogenism
  Cushing syndrome (#18463044#)
  Variants
  bilateral ovarian Leydig cell tumor
  See also
  Leydig cell tumor
  References
  Virilizing ovarian Leydig cell tumor in a woman with subclinical Cushing syndrome. Diab DL, Faiman C, Siperstein AE, Grossman WF, Rabinowitz LO, Hamrahian AH. Endocr Pract. 2008 Apr;14(3):358-61. PMID: #18463044#
  Pure Leydig cell tumour (hilus cell) of (...)

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• 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 (...)

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