Macroscopy

Articles

• necrosis
  9 November 2004

  tissular death

• vulvar cysts
  21 March 2006

  Exemples
  vulvar mullerian cyst (vulvar paramesonephric cyst ) vulvar paramesonephric mucinous cyst
  vulvar mucous cyst
  vulvar epithelial inclusion cyst ( vulvar keratinous cyst / vulvar epidermal cyst )
  Bartholin gland cyst
  vulvar trichilemmal cyst
  vulvar ciliated cyst
  Differential diagnosis
  cystic cutaneous tumors
  infected, pus draining lesions folliculitis Fox-Fordyce disease hidradenitis suppurativa granuloma inguinale lymphogranuloma venereum
  See (...)

• ovarian cysts
  2 September 2003

  Benign Cystic Lesions of the Ovary, ovarian benign cystic lesions ; ovarian cysts ; cystic ovaries ; cystic ovary RPD
  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 (...)

• 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 (...)

• 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 (...)

• Mycobacterium avium intracellulare
  20 July 2007

  Mycobacterium Avium-Intracellulare Complex
  Definition: Mycobacterium avium (which includes three subspecies) and Mycobacterium intracellulare are separate species, but the infections they cause are so similar that they are simply referred to as Mycobacterium avium-intracellulare complex, or MAC.
  Images
  hepatic MAI infection
  https://twitter.com/GIPathologyURMC/status/765234005474181120
  Mycobacterium avium complex enteritis
  https://twitter.com/ARP_Press/status/852288984034287617 (...)

• sacrococcygeal teratoma
  18 July 2004

  Sacrococcygeal teratoma (SCT) is the most common tumor of the newborn with an incidence of 1 in 35,000 to 40,000 live births.
  In the newborn, the sacrococcygeal site is located at the base of the tailbone (coccyx), is the most common location of teratomas in newborns.
  Variants
  malignant transformation
  amplification at 8q and 12p (#20113846#)
  Cytogenetics
  constitutional 7q deletion (#14663834#)
  constitutional trisomy 2p (#14663834#)
  constitutional t(12;15)(q13;q25) pat (...)

• non-ossifying fibroma
  8 September 2004

  Fibrous cortical defect, cortical defect, nonossifying fibroma; non-ossifying fibroma; benign fibrous histiocytoma if mass-forming and involving the medullary cavity. NOF
  Definition: Non-ossifying fibroma is a benign, lytic lesion of fibrous origin most often observed in the metaphyseal region of the long bones in children and adolescents.
  Images
  Non-ossifying fibroma / NOF
  https://twitter.com/Maryross86/status/860657829203648512 (...)

• Crohn colitis
  17 March 2004

  colonic Crohn disease

• 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 (...)

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