Architectural patterns

• tapdole architecture
  21 May

  paisley tie
  Examples
  in dermis syringoma microcystic adnexal carcinoma (MAC) desmoplastic trichoepithelioma infiltrative basal cell carcinoma / morpheaform basal cell carcinoma
  See also
  tumoral architecture tumoral architecture of cutaneous tumors tumoral architecture of cutaneous adnexal tumors

• peripheral palisading
  21 May

  Examples
  basal cell carcinome (BCC)
  See also
  tumoral architecture

• pushing borders
  2 November 2022

  Examples
  verrucous carcinoma

• micropapillary architecture
  28 February 2022

  Images
  micropapillary urothelial carcinoma https://twitter.com/EKoubaMD/status/1423066876519854081
  mammary invasive micropapillary carcinoma - breast https://twitter.com/belinda_lategan/status/801185120409427968 https://twitter.com/VandaTorousMD/status/850176610221387776 https://twitter.com/Patholwalker/status/1498224514273923073
  See also
  micropapillary carcinomas

• hemaniopericytoma-like pattern
  12 December 2021

  hemaniopericytoma-like pattern ; hemaniopericytomatous pattern
  hemaniopericytomatous pattern
  solitary fibrous tumor
  myofibroma / myopericytoma / infantile myofibromatosis
  hemangiopericytoma-like dermatofibroma
  hemangiopericytoma ? malignant hemangiopericytoma ?
  Metastatic small cell carcinoma of the lung with prominent spindle cell morphology and hemangiopericytoma-like vascular pattern #33414922#
  Differential diagnosis
  CD163 expression is helpful in distinguishing (...)

• nested architecture
  21 September 2021

  Examples
  Nested urothelial carcinoma https://twitter.com/Gleason4plus5/status/722854303665246211 https://twitter.com/Gleason4plus5/status/722853330955796480 https://twitter.com/GladellPaner/status/1440294436013948936
  See also
  tumoral architecture

• micropapillary carcinomas
  5 August 2021

  Images
  micropapillary urothelial carcinoma https://twitter.com/EKoubaMD/status/1423066876519854081
  mammary invasive micropapillary carcinoma - breast https://twitter.com/belinda_lategan/status/801185120409427968 https://twitter.com/VandaTorousMD/status/850176610221387776 https://twitter.com/Patholwalker/status/1498224514273923073
  See also
  micropapillary architecture

• lacy architecture
  2 December 2020

  lacy pattern
  See also
  tumoral architecture (tumoral pattern)

• disunion architecture
  2 December 2020

  disunion pattern
  See also
  tumoral architecture (tumoral pattern)

• sheet-like architecture
  7 November 2020

  sheet-like growth pattern ; sheet-like patterne ; sheet-like appearance

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