Macroscopy

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 (...)

• renal allograft rejection
  15 March 2004

  renal transplant rejection
  Digital case
  UI:774 : acute renal allograft rejection
  Types
  acute renal allograft rejection
  chronic renal allograft rejection
  Links
  Transplant Pathology at the Univ. of Pittsburgh
  References
  Cornell LD, Smith RN, Colvin RB. Kidney transplantation: mechanisms of rejection and acceptance. Annu Rev Pathol. 2008;3:189-220. PMID: #18039144#

• Fetus
  6 April 2004

  See also
  Embryo
  By ages
  fetus 12 weeks
  fetus 13 weeks
  fetus 14 weeks
  fetus 15 weeks
  fetus 16 weeks
  fetus 17 weeks
  fetus 18 weeks
  fetus 19 weeks
  fetus 20 weeks
  fetus 21 weeks
  fetus 22 weeks
  fetus 23 weeks
  fetus 24 weeks
  fetus 25 weeks
  fetus 26 weeks
  fetus 27 weeks
  fetus 28 weeks
  fetus 29 weeks
  fetus 30 weeks
  fetus 31 weeks
  fetus 32 weeks
  fetus 33 weeks
  fetus 34 weeks
  fetus 35 (...)

• ovarian cysts
  2 September 2003

  Benign Cystic Lesions of the Ovary, ovaraian benign cystic lesions
  Definition: An ovarian cyst is any collection of fluid, surrounded by a very thin wall, within an ovary.
  Most ovarian cysts are functional in nature and harmless (benign).
  In the US, ovarian cysts are found in nearly all premenopausal women, and in up to 14.8% of postmenopausal women.
  Images
  polycystic ovary
  https://twitter.com/RhondaYantiss/status/840977594338201600
  Types
  ovarian follicular cyst (ovarian (...)

• endometrial polyp
  17 November 2004

  Clinical synopsis
  asymptomatic or associated with bleeding
  associated with tamoxifen therapy for breast cancer
  Macroscopy synopsis
  sessile or pedunculated mass
  cystically dilated glands
  multicystic cut surface
  Microscopy synopsis
  endometrial glands unresponsive to progesterone stimulation
  may have severe atypia
  fibrous stroma with spindled
  fibroblast-like cells
  abundant extracellular connective tissue
  polypoid shape
  attenuated surface endometrium on 3 sides (...)

• massive placental fibrosis
  12 November 2004

  See alos
  placenta
  placental lesions
  placental diseases

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• acute hepatitis
  30 May 2003

  Microscopy
  The essential components of the acute phase of hepatitis are:
  inflammatory-cell infiltration
  hepatocellular damage
  cholestasis
  Kupffer-cell activation
  endotheliitis
  bile-duct damage
  ductular reaction
  hepatocellular regeneration
  hepatocellular damage
  Hepatocellular damage range from minor degrees of cell swelling to cell death. They are accompanied by the inflammatory infiltration described below, reflecting the important role of cellular immunity in the (...)

• ovarian dermoid cyst
  18 October 2004

  Unitissular mature teratoma

• Lungs
  16 July 2004

  Adj. pulmonary

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