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Difference between revisions of "Squamous cell carcinoma of the head and neck"
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Squamous cell carcinoma of the head and neck (view source)
Revision as of 18:02, 4 October 2021
, 18:02, 4 October 2021→Microscopic
| Line 62: | Line 62: | ||
*Nonkeratinizing (NT): | *Nonkeratinizing (NT): | ||
**Well-defined cell borders. | **Well-defined cell borders. | ||
DDx: | |||
*[[SMARCB1-deficient sinonasal carcinoma]]. | |||
*[[Sinonasal undifferentiated carcinoma]]. | |||
*[[Human papillomavirus-related multiphenotypic sinonasal carcinoma]] - previously known as ''HPV-related carcinoma with adenoid cystic-like features''. | |||
*[[NUT carcinoma]] - has well-differentiated squamous "islands" that are sharply demarcated from poorly differentiated surrounding tumour. | |||
*[[Neuroendocrine tumour]]. | |||
*Metastatic [[skin SCC|squamous cell carcinoma of skin]] - esp. parotid lesions; history of skin SCC. | |||
====Invasion==== | ====Invasion==== | ||
| Line 126: | Line 134: | ||
*Need keratinization. (???) | *Need keratinization. (???) | ||
====Lymphoepithelial (squamous cell) carcinoma==== | ====Lymphoepithelial (squamous cell) carcinoma==== | ||