Preferred Label : Pseudoprogression;
NCIt related terms : PPD-Pseudoprogression;
NCIt definition : A radiologic finding observed during magnetic resonance imaging of brain glioblastoma,
following concurrent radiotherapy and temozolomide treatment or vaccine therapy. It
refers to the false positive finding of progression and enhancement of the lesion.
It is considered a treatment effect due to tumor cell necrosis and subsequent edema
formation and increased vascular permeability.;
Alternative definition : CDISC: Apparent increase in lesion burden, not proven to be disease progression.;
Origin ID : C98298;
UMLS CUI : C3273948;
Semantic type(s)
- concept_is_in_subset
