D. General pathology

• clusters of epithelioid histiocytes
  29 April 2020

  Images
  Epithelioid hystiocites, showing their characteristic “fortune cookies” or “boomerang” nuclei in cytology https://twitter.com/MauroSaieg/status/1115592091973967872
  Toxoplasmosis triad https://twitter.com/AdelinaBaltan/status/1255166780110188548
  Pathology
  clusters of epithelioid histiocytes in : nodal toxoplasmosis classic Hodgkin lymphoma

• acute phase proteins
  15 April 2020

  See also
  inflammation / inflammatory reaction acute inflammation

• necrobiotic granuloma
  28 January 2020

  collagenolytic granuloma
  Definition : Granulomatous disorders comprise a large family sharing the common histological denominator of granuloma formation. Collagenolytic or necrobiotic granuloma is one in which a granulomatous infiltrate develops around a central area of altered collagen and elastic fibers.
  The altered fibers exhibit new staining patterns, becoming either more basophilic which gives blue appearance (“blue granuloma”) or eosinophilic giving red appearance (“red granuloma”). (...)

• congenital anomalies
  11 November 2019

  Types
  congenital infections
  congenital malformations
  congenital diseases
  congenital tumors
  Localization
  respiratory congenital anomalies
  digestive congenital anomalies
  urinary congenital anomalies
  genital congenital anomalies
  cerebral congenital anomalies
  See also
  anomalies molecular anomalies cellular anomalies tissular anomalies

• AL amyloidosis
  28 September 2019

  WKP
  Definition : Amyloid light-chain (AL) amyloidosis, also known as primary amyloidosis, is the most common form of systemic amyloidosis in the US.
  The disease is caused when a person’s antibody-producing cells do not function properly and produce abnormal protein fibers made of components of antibodies called light chains. These light chains come together to form amyloid deposits which can cause serious damage to different organs.
  Abnormal light chains in urine are sometimes referred (...)

• AA amyloidosis
  28 September 2019

  WKP
  AA amyloidosis is a form of amyloidosis, a disease characterized by the abnormal deposition of fibers of insoluble protein in the extracellular space of various tissues and organs. In AA amyloidosis, the deposited protein is serum amyloid A protein (SAA), an acute-phase protein which is normally soluble and whose plasma concentration is highest during inflammation.

• living systems
  29 December 2018

  living system
  Definition : Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter.
  Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life.
  Such a general theory, arising out of the ecological and biological sciences, attempts to map general principles for how all living systems work.
  Instead of examining (...)

• glandular atypia
  30 August 2018

  Atypical Glands
  Examples
  Atypical Glands in Prostate Biopsy http://webpathology.com/image.asp?case=22&n=1
  See also
  atypia

• atypia
  30 August 2018

  Examples
  cellular atypia
  epithelial atypia glandular atypia

• organ functions
  4 February 2018

  Organ functions
  Definition : Function of an organ in organ systems.
  Organ systems
  The notion of system (or apparatus) relies upon the concept of vital or organic function / organ functions : organ systems are a set of organs with a definite function.
  The enumeration of the principal functions - and consequently of the systems - remained almost the same since Antiquity, but the classification of them has been very various, e.g., compare Aristotle, Bichat, Cuvier.
  The notion of (...)

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