intratumoral
Meaning of intratumoral: Intratumoral means located, occurring, or administered within a tumor.
Definition of intratumoral
Intratumoral describes something inside a tumor. In oncology, the term commonly describes an injection or other treatment delivered directly into a tumor mass, but it can also describe pressure, bleeding, immune activity, or another feature located within the tumor. The term identifies location and does not specify the substance, technique, or treatment effect.
Also known as
Used in a sentence
The clinical trial evaluated an intratumoral injection given under imaging guidance.
Good to know
Intratumoral administration aims to concentrate a treatment at the tumor site, but local delivery does not guarantee that effects are confined to the tumor or that all tumor cells are reached.
Word origin
Where “intratumoral” comes from
Formed from intra-, meaning “within,” and tumoral, meaning “relating to a tumor.”