Macroscopy

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 (...)

• 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 (...)

• necrosis
  9 November 2004

  tissular death

• endometrial polyp
  17 November 2004

  Clinical synopsis
  asymptomatic or associated with bleeding
  associated with tamoxifen therapy for breast cancer
  Macroscopy synopsis
  sessile or pedunculated mass
  cystically dilated glands
  multicystic cut surface
  Microscopy synopsis
  endometrial glands unresponsive to progesterone stimulation
  may have severe atypia
  fibrous stroma with spindled
  fibroblast-like cells
  abundant extracellular connective tissue
  polypoid shape
  attenuated surface endometrium on 3 sides (...)

• testicular torsion
  21 June 2005

  testis torsion

• thymic seminoma
  6 June 2006

  See also
  germinal tumors seminoma
  thymic tumors thymic germinal tumors
  mediastinal tumors mediastinal germinal tumors mediastinal seminoma

• corpus luteum
  17 November 2004

  corpora lutea (corpus luteum)
  Definition: Corpus luteum is 1 to 2 cm, round yellow, lobulated structure with cystic center. It has luteinized granulosa and theca cells.
  In pregnancy, coprus luteum is larger, bright yellow with prominent central cavity, hyaline droplets and calcification. Progesterone from the corpus luteum maintains the uterus for implantation.
  The corpus luteum secretes progesterone which induces a secretory endometrium. It normally regresses in 14 days unless it is (...)

• 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 (...)

• massive hepatic necrosis
  8 December 2004

  Massive and submassive hepatic necrosis are the histopathological counterpart of fulminant hepatic failure.
  Etiology
  infections acute viral hepatitis (60 to 75%)
  intoxications (drugs and toxins) (20%) drug-induced hepatic necrosis toxin-induced hepatic necrosis
  severe hepatic ischemia
  hepatic metabolic diseases Wilson disease hereditary tyrosinemia galactosemia hereditary fructose intolerance
  congenital hemochromatosis
  acute auto-immune (...)

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