G. Tumoral pathology

• Diagnosis of vascular tumors
  22 September

  Diagnosis of vascular tumors
  Patterns
  epithelioid vascular tumors
  According to the localization
  bone vascular tumors (osseous vascular tumors)
  cutaneous vascular tumors
  hepatic vascular tumors
  muscular vascular tumors
  soft tissue vascular tumors
  cardiac vascular tumors
  splenic vascular tumors
  Vascular tumors with lobular architecture
  lobular capillary hemangioma
  pyogenic granuloma
  infantile hemangioma
  some congenital hemangiomas (RICH and NICH (...)

• inverted papillomas
  31 August

  Images
  inverted urothelial papilloma https://twitter.com/JennyHoffmannMD/status/851649417467711488 https://twitter.com/TexPathol/status/1210546184768643073 https://twitter.com/TheodoreVMD/status/1432418912759685125
  See also
  papillomas

• abrupt squamous differentiation
  30 August, by admin

  abrupt keratinization
  Examples
  NUT carcinoma must always be considered when there is abrupt keratinization. https://twitter.com/headandneckpath/status/859521631793840128 https://twitter.com/megothelioma/status/1431595670788403201

• atypical fusiform cells
  18 April

  Diagnosis
  atypical fusiform cell tumors
  See also
  atypical cells
  fusiform cells

• myoepithelial carcinoma
  19 March

  Myoepithelial tumors are rare neoplasms that primarily occur in the salivary gland but over the last decade have also been described in other locations, including soft tissue. Myoepithelial carcinoma of soft tissue has shown to have a recurrence rate of 39-42% and distant metastases in 32-53% of patients.
  Paywall references
  https://pubmed.ncbi.nlm.nih.gov/33336464/

• carcinosarcoma with a chondrosarcomatous component
  27 February

  Open references
  Carcinosarcoma of the Gallbladder with Chondrosarcomatous Differentiation.
  https://pubmed.ncbi.nlm.nih.gov/30881717/
  Synchronous carcinosarcoma of the lower ureter and renal pelvis with heterologous chondrosarcomatous elements
  https://pubmed.ncbi.nlm.nih.gov/26458704/
  Paywall references
  So-called carcinosarcoma of the duodenum with a chondrosarcomatous component.
  https://pubmed.ncbi.nlm.nih.gov/26249526/
  Sarcomatoid urothelial carcinoma with chondrosarcomatous (...)

• carcinosarcoma
  27 February

  Definition : Carcinosarcoma is a biphasic malignant tumor consisting of both carcinomatous and sarcomatous components,
  Subtypes
  carcinosarcoma with a chondrosarcomatous component

• immune checkpoint
  2 December 2020

  See also
  PD-L1

• poorly-differentiated carcinomas
  1 December 2020

  See also
  poorly-differentiated tumors
  carcinomas

• hallmark cells
  30 November 2020

  Etiology
  anaplastic large cell lymphoma

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