Collision tumour
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Collision tumour is a tumour that developed from two separate tumours that are pathologically distinct.[1][2]
General
Microscopic
Features:
- Two histologically distinct juxtaposed tumours.
- Tumour components should not intermingle.[3]
DDx:
- Tumour with different histologic patterns, e.g. unclassified renal cell carcinoma.
- Tumour with different histologic grades, and a sharp transisition between different grades.
See also
- Cancer.
- Renal hybrid oncocytic/chromophobe tumour.
- Urothelial carcinoma-like prostatic carcinoma.
- Mixed neuroendocrine-nonneuroendocrine neoplasm.
References
- ↑ URL: http://medical-dictionary.thefreedictionary.com/collision+tumor. Accessed on: 11 May 2015.
- ↑ Geetha, R.; Kalyani, R.; Srinivas, MV.; Shakthidasan, C. (Jan 2015). "A rare collision tumour of infiltrating ductal carcinoma and squamous cell carcinoma of skin overlying breast: a case report.". J Clin Diagn Res 9 (1): XD06-XD08. doi:10.7860/JCDR/2015/10437.5464. PMID 25738072.
- ↑ 3.0 3.1 Michalinos, A.; Constantinidou, A.; Kontos, M. (2015). "Gastric collision tumors: an insight into their origin and clinical significance.". Gastroenterol Res Pract 2015: 314158. doi:10.1155/2015/314158. PMID 25767509.