Ovaries (Ovary)

• LAMN ovarian metastasis
  15 May

  ovarian metastasis of low-grade mucinous appendiceal neoplasms
  LAMN Ovarian metastasis
  Features in favor of metastatic LAMN
  Bilaterality
  pseudomyxoma peritonei
  subepithelial clefts
  scalloped glands
  pseudomyxoma ovarii
  tall cells

• ovarian papillary tumors
  11 May

  Examples
  ovarian papillary serous carcinoma / ovarian serous carcinoma Ovarian papillary serous carcinoma has fibrovascular papillae that are typically not hyalinized. There is cellular tufting and budding. Mitoses are more common than clear cell adenocarcinoma, and there is not hobnailing. It is high grade (pleomorphic with nucleoli), or low grade (uniform cells +/- nucleoli). IHC is positive for p16, ER, WT-1, IMP3, and p53.
  See also
  ovarian tumors
  papillary tumors / papillary (...)

• ovarian round cell tumors
  11 May

  Examples
  ovarian gonadoblastoma
  Gonadoblastoma has ovarian stroma surrounding nests of germ cells and sex cord stromal cells, with frequent hyalinization and calcification.
  It is the most frequent tumor found in gonadal dysgenesis, usually a phenotypic female with an XY karyotype and streak gonads.
  Gonadoblastoma is the most common tumor found in gonadal dysgenesis , most commonly a phenotypic female with XY chromosomes.
  ovarian granulosa cell tumor
  Granulosa cell tumor has (...)

• ovarian spindle cell tumors
  11 May

  Examples
  ovarian fibroma Ovarian fibroma has dense benign spindle cells. It is associated with Meigs syndrome (ovarian fibroma, ascites, right pleural effusion), and Gorlin syndrome (basal cell nevus syndrome - basal cell carcinomas, odontogenic keratocyst , PTCH gene, autosomal dominant).
  fibrothecoma Fibrothecoma has features of fibroma and thecoma.
  thecoma Thecoma has lipid vacuolated spindle cells with hyaline plaques. They can produce estrogens and androgens.
  ovarian (...)

• antral ovarian follicle
  19 April

  Images
  antral ovarian follicle https://twitter.com/histoemb/status/854324920301621257

• in situ endometrioid carcinoma
  4 April

  Images
  In situ endometrioid carcinoma https://twitter.com/solcosao/status/849091640744697857

• ovarian squamous cell carcinoma
  23 March

  ovarian SCC
  Images
  82 yr old woman with ovarian mass https://twitter.com/haephyo/status/844851642285514753
  See also
  ovarian carcinomas
  squamous cell carcinoma / SCC

• polycystic ovary
  13 March

  Images
  polycystic ovary https://twitter.com/RhondaYantiss/status/840977594338201600
  See also
  polycystic ovary syndrome
  ovarian anomalies ovarian cysts

• Müllerian tumors
  10 January

  Examples
  ovarian Müllerian adenofibroma
  ovarian Müllerian adenosarcoma
  ovarian malignant mixed Müllerian tumor
  See also
  ovarian tumors

• low-grade serous ovarian carcinoma
  10 January

  LGSOC
  Images
  low-grade serous ovarian carcinoma with calcifications https://twitter.com/AnneMillsMD/status/806278870236282881
  See also
  low-grade tumors
  serous ovarian carcinoma

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