peritumor en · ADJ
Etymology
From peri- + tumor.
Meanings
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(not-comparable) Surrounding a tumor
However, SCM with unknown primary malignancies are very difficult to distinguish from astrocytomas, especially HGAs, because of their similar features on standard MRI, such as obvious enhancement and peritumor edema.
2015 July 22, “Differentiation between Solitary Cerebral Metastasis and Astrocytoma on the Basis of Subventricular Zone Involvement on Magnetic Resonance Imaging”, in PLOS ONE, →DOI: