G. Tumoral pathology

• physaliphorous cells
  21 April 2017

  Tumor
  chordoma

• CD20+ T-cell lymphoma
  17 April 2017

  CD20 positive T-cell lymphoma
  Images
  CD20 positive T-cell lymphoma https://twitter.com/JennyHoffmannMD/status/852695654392397824
  See also
  T-cell lymphomas

• compact carcinomas
  16 April 2017

  solid carcinomas
  Examples
  mammary invasive solid papillary carcinoma
  Invasive lobular carcinoma, solid variant
  See also
  compact pattern / compact architecture
  carcinomas

• micropapillary carcinomas
  16 April 2017

  Images
  Invasive micropapillary carcinoma of the breast: inside-out pattern, EMA+, ER+, PR+(50%), HER2+(30%), Luminal A/B https://twitter.com/belinda_lategan/status/801185120409427968 https://twitter.com/VandaTorousMD/status/850176610221387776
  Invasive micropapillary carcinoma of the breast : reversed apical pattern of MUC1 expression https://twitter.com/JustineVarinot/status/816616480578146304
  FNA of mammary invasive micropapillary carcinoma (...)

• tumors with osteoclast-type giant cells
  11 April 2017

  Types
  giant cell-rich tumors
  other tumors with osteoclast-type giant cells anaplastic thyroid carcinoma with osteoclast-type giant cells pulmonary carcinoma with osteoclast-type giant cells

• tumors with central scar
  4 April 2017

  tumors with central scar
  Images
  tumors with central scar https://twitter.com/mannanrifat03/status/848990515467091968
  Examples
  pancreatic serous cystadenoma
  renal oncocytoma
  chromophobe renal cell carcinoma / RCC
  focal nodular hyperplasia of the liver (FNH)
  See also
  scar / scars

• plantar fibromatosis
  3 April 2017

  Images
  Plantar fibromatosis : high cellularity, mitoses, and giant cells . https://twitter.com/ARP_Press/status/848671079208013824
  See also
  palmar fibromatosis

• microinvasion
  2 April 2017

  tumoral microinvasion; micro-invasion; microentities; micro-entities
  Definition: Microinvasion: b
  breast: 1mm depth, 7mm width ovary: 3 mm depth, 10 mm area
  cervix: 5 mm depth, 7 mm area (FIGO); 3 mm depth (SGO)
  salivary carcinoma ex pleomorphic adenoma: < 1.5 mm
  Minimally invasive adenocarcinoma is defined as tumors with lepidic or predominantly lepidic growth, <= 3 cm in size, with <= 5 mm of invasion into the stroma.
  Images
  Ovarian serous borderline tumor with (...)

• mammary-type myofibroblastoma
  31 March 2017

  Mammary-type myofibroblastoma (MTMF)
  Definition: Mammary-type myofibroblastoma (MTMF) is a benign mesenchymal neoplasm initially described to occur in the breast. MTMF is typically CD34 and desmin positive and genetically has rearrangement or deletion of 13q14, resulting in loss of Rb expression by immunohistochemistry (IHC).
  Images
  Mammary-type myofibroblastoma
  https://twitter.com/VandaTorousMD/status/847278504315985921
  https://twitter.com/AJPerricone/status/874623969252474882 (...)

• lipomatous meningioma
  28 March 2017

  Images
  lipomatous meningioma https://twitter.com/GeronimoJrLapac/status/846452254429327360
  See also
  meningioma / meningiomas

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