Macroscopy

Articles

• 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 (...)

• 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 (...)

• 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 (...)

• 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 (...)

• 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 (...)

• 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 (...)

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• osteogenesis imperfecta
  26 May 2004

  Autosomal dominant disease.
  Synopsis
  systemic anomalies
  perinatal death
  premature birth
  nonimmune hydrops
  low birth weight
  ocular anomalies
  blue sclerae
  craniofacial anomalies
  beaked nose
  large fontanelles
  platyspondyly
  skeletal anomalies
  short limb dwarfism
  beaded ribs
  numerous multiple fractures present at birth
  soft calvaria
  absent calvarial mineralization
  hips usually flexed and abducted (frog-leg position)
  flattened acetabulae and iliac wings (...)

• gonadoblastoma
  11 March 2004

  Scully RE, 1953.

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