Architectural patterns

• borders
  12 January 2019

  tumoral limits; tumoral border
  Types
  regular borders / well-defined borders
  pushing borders
  irregular borders
  infiltrative borders
  See also
  tumoral patterns
  architectural patterns

• leaf-like architecture
  19 March 2018

  leaf-like pattern
  Examples
  uterine adenocarcinoma
  mammary fibroepithelial lesions mammary fibroadenoma mammary phyllodes tumor
  See also
  tumoral architecture / tumoral growth pattern

• intersecting fascicles
  14 November 2016

  Images
  Kaposi sarcoma, palate - highlighting fascicular growth (intersecting fascicles ) https://twitter.com/bunn_belinda/status/796890548493815808
  See also
  fascicles / fascicular growth

• ramifying fibrous fascicles
  30 September 2016

  Examples
  PLEXIFORM FIBROHISTIOCYTIC TUMOUR : occasionally ramifying fibrous fascicles; aggregates of MNGCs with hemorrhage & haemosiderin https://twitter.com/histiocytosisX/status/780773880310947840

• fibrous fascicles
  30 September 2016

  fibrous fascicle
  Examples
  ramifying fibrous fascicles https://twitter.com/histiocytosisX/status/780773880310947840

• fascicles
  30 September 2016

  fascicle; fascicular growth
  Examples
  ramifying fibrous fascicles https://twitter.com/histiocytosisX/status/780773880310947840
  Kaposi sarcoma, palate - highlighting fascicular growth (intersecting fascicles) https://twitter.com/bunn_belinda/status/796890548493815808
  See also
  architectural patterns
  tumoral growth patterns

• cribriform architecture
  29 September 2016

  cribriform lesions; cribriform pattern ; cribriform anomalies
  Definition : Epithelial arrangement with round or oval cavities. Not slit-like cavities or irregular cavities.
  Background cells tend to be uniform with monomorphic round cell population with punched-out appearance.
  Images
  cribriform glands with necrosis in prostate. Gleasons pattern 5 https://twitter.com/subteraneandoc/status/781987547664625664
  cutaneous cribriform apocrine carcinoma (...)

• nuclear palisading
  21 August 2016

  nuclear palissading
  Definition : parallel arrangement of tumor cell nuclei like picket fencing. It differs from pseudo-palisading.
  Tumors
  schwannoma : Verocay bodies
  leiomyomas / leiomyoma
  dermatofibroma (pallisading dermatofibroma )
  basal cell carcinoma
  ameloblastoma
  Images
  Pallisading dermatofibroma, mimicking Verocay bodies of schwannoma (S100+ in schwannoma) https://twitter.com/DrLaurenStuart/status/638769772184895488
  Verocay bodies of (...)

• roman bridge
  20 June 2016

  roman bridge appearance
  Images
  roman bridges in situ ductal carcinoma (DCIS) https://twitter.com/solcosao/status/744191958365569024 https://twitter.com/Nikon_Zaitsev/status/677176672110649344
  See also
  mammary anomalies mammary epithelial anomalies
  epithelial anomalies

• tumoral architecture
  20 May 2004

  tumoral architectural patterns, tumoral architecture, tumoral pattern; tumoral architectural pattern; tumoral growth pattern;
  See also : tumoral patterns
  Examples
  micronodular pattern in Kaposi sarcoma
  https://twitter.com/bunn_belinda/status/742098640089546752
  indian file pattern
  https://twitter.com/solcosao/status/709243596134744065
  Types
  single cells
  compact pattern / solid pattern
  clusters
  anastomosing beads
  trabecular pattern (trabecular tumors )
  cords / corded (...)

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