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Articles

• 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 (...)

• necrosis
  9 November 2004

  tissular death

• cardiomyocytes
  18 November 2003

  Adj. cardiomyocytic; cardiac myocytes, cardiomyocyte
  Digital slides
  NCK2-18: normal endomyocardial biopsy (PAS)
  NCK2-19: normal endomyocardial biopsy (PAS diastase)
  Definition: The myocardium is composed primarily of a collection of specialized muscle cells called cardiac myocytes or cardiomyocytes.
  They are arranged largely in a circumferential and spiral orientation around the left ventricle, the chamber that pumps blood to the systemic circulation.
  Cardiac myocytes have five (...)

• infantile hemangioma
  11 March 2004

  juvenile hemangioma, cellular hemangioma of infancy, common hemangioma of infancy; GLUT1+ infantile hemangioma
  Digital Cases (Digital slides)
  HPC/106 : GLUT1+ infantile hemangioma
  HPC:186 : GLUT1+ infantile hemangioma
  HPC:385 : GLUT1+ infantile hemangioma
  Clinical synopsis
  The typical infantile hemangioma appears postnataly, grows quickly, and regresses gradually in the first few years of life. Approximately one third of IH are present at birth.
  Infantile hemangiomas progress (...)

• foreign body reaction
  27 November 2004
• thymoma
  15 September 2004

  thymomas WP WebPathology PO
  Definition: Thymoma is the most frequent tumor arising in human thymus (thymic tumors). Thymoma is a tumor originating from the epithelial cells of the thymus.
  Images
  Thymoma / Notes https://twitter.com/GeronimoJrLapac/status/812328746967568384
  Digital cases
  JRC:477 : Thymoma with micronodular features
  JRC:1607 : Thymoma (differential diagnosis. lymphohistiocytoid mesothelioma).
  JRC:3189 : Thymic carcinoma. Thymoma, type C.
  JRC:3190 : Mixed (...)

• abscess
  9 June 2004

  abcesses
  Definition: Abscesses are localized collections of purulent inflammatory tissue caused by suppuration buried in a tissue, an organ, or a confined space. They are produced by deep seeding of pyogenic bacteria into a tissue.
  Abscesses have a central region that appears as a mass of necrotic leukocytes and tissue cells. There is usually a zone of preserved neutrophils around this necrotic focus, and outside this region vascular dilation and parenchymal and fibroblastic proliferation (...)

• thyroglossal cyst
  9 March 2004

  Cyst of the thyreoglossal tract; thyroglossal tract cyst, thyreoglossal cyst
  Digital case (Digital slides)
  HPC:374 : Cyst of the thyroglossal tract
  HPC:417 : Cyst of the thyroglossal tract
  Epidemiology
  most common congenital anomaly of the neck
  2-4% of all neck masses
  most commonly present in the first decade of life but also may be seen in adults.
  Etiopathogeny
  TGDCs are caused by a persistent epithelial tract, the thyroglossal duct, during the descent of the thyroid from the (...)

• ancient schwannoma
  8 September 2010

  schwannoma with degenerated areas
  Definition: Schwannomas are encapsulated benign tumors arising from nerve sheath cells; the ancient schwannoma is one of the five variants. Ancient change in a schwannoma is a histological variant that is typically found in long-standing tumors, and is thought to result from degenerative changes ( degenerative atypia ).
  Images
  ancient schwannoma
  https://twitter.com/bestpathologist/status/737157944718983168
  " degenerative atypia " in sporadic (...)

• actinic keratosis
  6 July 2004

  solar keratosis, senile keratosis, pre-epitheliomatous keratosis WKP
  Digital cases
  UI:906 - Actinic keratosis.
  UI:917 - Actinic keratosis.
  UI:1826- Actinic keratosis.
  JRC:10567 : Actinic keratosis.
  JRC:10569 : Actinic keratosis.
  Definition: Actinic keratosis is a premalignant condition of thick, scaly, or crusty patches of skin
  It is more common in fair-skinned people and it is associated with those who are frequently exposed to the sun, as it is usually accompanied by (...)

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