Difference between revisions of "Angioinvasion"
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'''Angioinvasion''' is spread of tumour into a [[blood vessel]].<ref>URL: [https://www.tititudorancea.net/z/angioinvasion.htm https://www.tititudorancea.net/z/angioinvasion.htm]. Accessed on: 24 November 2016.</ref> | '''Angioinvasion''', also '''vascular invasion''', is spread of tumour into a [[blood vessel]].<ref>URL: [https://www.tititudorancea.net/z/angioinvasion.htm https://www.tititudorancea.net/z/angioinvasion.htm]. Accessed on: 24 November 2016.</ref> | ||
Angioinvasion is typically lumped with ''lymphatic invasion'' and referred to as ''[[lymphovascular invasion]]''. This article only deals with ''angioinvasion''. | |||
==General== | ==General== | ||
The distinction between lymphatic invasion and lymphovascular invasion is usually ''not'' important. One important exception is the thyroid gland.<ref name=pmid21804527>{{Cite journal | last1 = Mete | first1 = O. | last2 = Asa | first2 = SL. | title = Pathological definition and clinical significance of vascular invasion in thyroid carcinomas of follicular epithelial derivation. | journal = Mod Pathol | volume = 24 | issue = 12 | pages = 1545-52 | month = Dec | year = 2011 | doi = 10.1038/modpathol.2011.119 | PMID = 21804527 }}</ref> | *The distinction between lymphatic invasion and lymphovascular invasion is usually ''not'' important. One important exception is the [[thyroid gland]].<ref name=pmid21804527>{{Cite journal | last1 = Mete | first1 = O. | last2 = Asa | first2 = SL. | title = Pathological definition and clinical significance of vascular invasion in thyroid carcinomas of follicular epithelial derivation. | journal = Mod Pathol | volume = 24 | issue = 12 | pages = 1545-52 | month = Dec | year = 2011 | doi = 10.1038/modpathol.2011.119 | PMID = 21804527 }}</ref> | ||
Vascular invasion is occasionally seen in the benign tumours: | |||
*[[Renal oncocytoma]].<ref name=pmid27498062>{{Cite journal | last1 = Wobker | first1 = SE. | last2 = Przybycin | first2 = CG. | last3 = Sircar | first3 = K. | last4 = Epstein | first4 = JI. | title = Renal oncocytoma with vascular invasion: a series of 22 cases. | journal = Hum Pathol | volume = 58 | issue = | pages = 1-6 | month = Dec | year = 2016 | doi = 10.1016/j.humpath.2016.07.020 | PMID = 27498062 }}</ref> | |||
*[[Mixed epithelial stromal tumour]].<ref name=pmid27383188>{{Cite journal | last1 = Xie | first1 = WL. | last2 = Lian | first2 = JY. | last3 = Li | first3 = B. | last4 = Tian | first4 = XY. | last5 = Li | first5 = Z. | title = Mixed epithelial and stromal tumor of kidney with renal vein extension: an unusual case report and review of literature. | journal = Histol Histopathol | volume = 32 | issue = 4 | pages = 361-369 | month = Apr | year = 2017 | doi = 10.14670/HH-11-800 | PMID = 27383188 }}</ref> | |||
==Microscopic== | ==Microscopic== | ||
Latest revision as of 03:02, 6 March 2017
Angioinvasion, also vascular invasion, is spread of tumour into a blood vessel.[1]
Angioinvasion is typically lumped with lymphatic invasion and referred to as lymphovascular invasion. This article only deals with angioinvasion.
General
- The distinction between lymphatic invasion and lymphovascular invasion is usually not important. One important exception is the thyroid gland.[2]
Vascular invasion is occasionally seen in the benign tumours:
Microscopic
Features:
- Tumour within a vascular space.
- Vascular space: endothelial cells, red blood cells.
Note:
- One strict definitions requires thrombus adherent to tumour.[2]
DDx:
- Lymphovascular invasion - no red blood cells.
- Carryover of tumour - not attached to wall, no thrombus.
See also
References
- ↑ URL: https://www.tititudorancea.net/z/angioinvasion.htm. Accessed on: 24 November 2016.
- ↑ 2.0 2.1 Mete, O.; Asa, SL. (Dec 2011). "Pathological definition and clinical significance of vascular invasion in thyroid carcinomas of follicular epithelial derivation.". Mod Pathol 24 (12): 1545-52. doi:10.1038/modpathol.2011.119. PMID 21804527.
- ↑ Wobker, SE.; Przybycin, CG.; Sircar, K.; Epstein, JI. (Dec 2016). "Renal oncocytoma with vascular invasion: a series of 22 cases.". Hum Pathol 58: 1-6. doi:10.1016/j.humpath.2016.07.020. PMID 27498062.
- ↑ Xie, WL.; Lian, JY.; Li, B.; Tian, XY.; Li, Z. (Apr 2017). "Mixed epithelial and stromal tumor of kidney with renal vein extension: an unusual case report and review of literature.". Histol Histopathol 32 (4): 361-369. doi:10.14670/HH-11-800. PMID 27383188.