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Articles

• necrosis
  9 November 2004

  tissular death

• 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 (...)

• 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 (...)

• seborrheic keratosis
  31 August 2007

  seborrheic keratoses

• fibrosarcomas
  30 May 2004

  Digital slides
  HPC:38 : Sclerosing epithelioid fibrosarcoma
  UI: - Adult-type fibrosarcoma.
  JRC:5320 : Mammary adult-type fibrosarcoma.
  JRC:6324 : pulmonary fibrosarcoma.
  Types
  congenital fibrosarcoma
  adult-type fibrosarcoma
  sclerosing epithelioid fibrosarcoma
  myxofibrosarcoma
  myofibrosarcoma
  low-grade
  inflammatory myxohyaline/myxoinflammatory fibroblastic (...)

• 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 (...)

• chronic bursitis
  23 June 2011

  Chronic fibrinous bursitis
  Definition: chronic inflammation of synovial bursa.
  Digital slides
  UI:860 - Chronic fibrinous bursitis
  See also
  bursitis olecranon bursitis

• infectious mononucleosis
  20 August 2004

  IMN; EBV-associated infectious mononucleosis

• dermatitis herpetiformis
  29 June 2004

  herpetiform dermatitis
  Definition: Dermatitis herpetiformis is characterized by papules, vesicles, and occasional bullae on an erythematous, often urticarial base.
  Dermatitis herpetiformis is associated with gluten-sensitive enteropathy. It causes small pruritic vesicles.
  Histologically it shows papillary neutrophilic microabscesses and a mixed dermal inflammatory infiltrate. DIF shows a granular pattern of IgA in the dermal papillae.
  Digital cases
  UI:924 - Dermatitis herpetiformis (...)

• plexiform neurofibroma
  28 December 2006

  Definition: Plexiform neurofibroma is the least common of neurofibromas. Plexiform neurofibroma occurs almost exclusively in patients with neurofibromatosis type 1 (NF1) and they are often multiple.
  Many of them occur in a superficial location but they can also occur in deep locations.
  Images
  gallbladder plexiform neurofibroma
  https://twitter.com/ARP_Press/status/793143254824910848
  Digital cases
  HPC:105 : Plexiform neurofibroma NF1
  HPC:401 : Palpebral plexiform neurofibroma in (...)

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