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 (...)

• necrosis
  9 November 2004

  tissular death

• focal nodular hyperplasia
  29 May 2003

  focal nodular hyperplasia of the liver, hepatic focal nodular hyperplasia, FNH (previous denomination: benign hepatoma, solitary hyperplastic nodule, focal sclerosis, hamartomatous cholangiohepatoma, mixed adenoma)

• progressive transformation of germinal centers
  15 December 2003

  PTGC, progressive transformation of germinal center

• 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 (...)

• 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 (...)

• teratoma
  10 March 2004

  teratomas
  Definition: Teratomas are neoplasms comprised of mixed elements derived from the three germ cell layers.
  Images
  Gastric teratoma in a 1yo male
  https://twitter.com/DraEosina/status/817663085376901121
  A teratoma is generally defined as a tumor arising from pluripotent cells, and it is precisely the heterogeneity of tissues present in such a tumor that best characterizes it; it is also commonly accepted that a teratoma must contain derivatives of more than one blastodermic (...)

• 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 (...)

• seminoma
  28 April 2005

  seminoma of the testis, testicular seminoma; pure seminoma ; classical seminoma WKP
  Definition: Seminoma is a germ cell tumor of the testicle or, more rarely, the mediastinum or other extra-gonadal locations. It is a malignant neoplasm and is one of the most treatable and curable cancers, with a survival rate above 95% if discovered in early stages.
  Classic seminoma, far and away the most common of the two categories.
  Testicular seminoma originates in the germinal epithelium of the (...)

• 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 (...)

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