Collision Tumor

Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia

0.01 sec.

collision tumor

[kəlizh′ən]

Etymology: L, cum, together with, laedere, to strike

a tumor formed when two separate growths, developing close to each other, join. See also carcinoma.

Collision Tumour

(1) A generic term for the extremely rare merging of 2 originally separate—primary—tumours from 2 organs, most often seen at the oesophagogastric junction, where a squamous cell carinoma of oesophageal origin collides with a gastric adenocarcinoma; diagnosis of a collision tumour requires that the 2 tumours be histologically distinct
(2) A neuroendocrine (carcinoid) tumour characterised by discrete populations of neoplastic neuroendocrine cells and glands

collision tumor,

n See tumor, collision.

Collimation of a radiographic beam.

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.

?Page tools

Printer friendly
Cite / link

Feedback
Add definition

Mentioned in	?		References in periodicals archive	?		Medical browser	?		Full browser	?
mixed tumor			[FIGURE 2 OMITTED] The RCC clear cells of the collision tumor in our case were strongly positive for the low-molecular-weight cytokeratin CAM 5. Metastatic renal cell carcinoma to hemangioblastoma in von ... by Polydorides, Alexandros D.; Rosenblum, Marc K.; Edgar, Mark A. / Archives of Pathology & Laboratory Medicine If a lesion has grown, has changed in appearance, or is unusually large or heterogeneous, one should consider the possibility of collision tumor and should recommend histopathological analysis. CT and MRI of adrenal masses by Westphalen, Antonio Carlos A.; Joe, Bonnie N. / Applied Radiology 2) We describe a case of a 53-year-old female with a collision tumor composed of breast carcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma, invading each other and occurring as a single mass in the right breast. Collision tumor: invasive ductal carcinoma in association with ... by Alley, Catherine / Southern Medical Journal			collective noun collective unconscious collector college College of American Pathologists Colles Colles fracture Colles' fascia Colles' fracture colliculectomy colliculitis colliculus Collie colligative collimate collimating film holder collimation collimator collinearity Collip colliquation colliquative colliquative necrosis Collision Collision Sport Collision Tumor Collision Tumour collisional interactions collodiaphyseal collodion collodion baby colloid colloid acne colloid bath colloid carcinoma colloid chemistry colloid corpuscle colloid cyst colloid degeneration colloid goiter colloid osmotic pressure colloid solution colloid substance colloid suspension colloid theory of narcosis colloidal colloidal gel colloidal solution colloidal sulfur colloidin colloquial disease name			collision line-broadening collision matrix Collision Mitigation Brake System Collision Mitigation Braking System Collision Mitigation by Braking collision of the first kind collision of the second kind collision parameter Collision Presence Test collision probability Collision Reconstruction Unit Collision Regulations Collision Repair Association of Nova Scotia Collision Repair Product News Collision Reporting Centre Collision Research Associates Collision Resistant Hash Function Collision Resolution Algorithm Collision Resolution Algorithm for Frequency Hopping Collision Resolution Queue Collision Safety Institute Collision Specialists Inc Collision Sport Collision theory Collision Tumor Collision Tumour Collision Warning and Brake Support Collision Warning Auto Brake Collision Warning Message Collision Warning System Collision Warning-Collision Avoidance collision zone collision-avoidance radar collision-avoidance system collision-course homing Collision-Free Media Access Control Protocol Collision-Free Receiver Oriented Mac Collision-Induced Decomposition/Mass-Analysed Ion Kinetic Energy Collision-Induced Dissociation-Mass-Analysed Ion Kinetic Energy Collision-Induced Signal Enhancement collision-radiative recombination collisional collisional collisional collisional Collisional Activation Mass Analyzed Ion Kinetic Energy Spectroscopy collisional interactions Collisional Resurfacing Hypothesis collisionally collisionally collisionally collisionally Collisionally Activated Decomposition Mass-Analysed Ion Kinetic Energy Collisionally activated dissociation collisionless Boltzmann equation

Medical Dictionary

Free Tools:	For surfers: Free toolbar & extensions \| Word of the Day \| Help For webmasters: Free content \| Linking \| Lookup box \| Double-click lookup

Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.