Perilesional edema in brain metastases: potential causes and implications for treatment with immune therapy
ConclusionsEdema itself should not preclude using anti-PD-1 with caution, as sensitive tumors have resultant decreases in edema, and anti-PD-1 itself does not exacerbate edema in sensitive tumors. Additional factors aside from tumor mass effect and vessel density cause perilesional edema. Melanoma cells themselves can cause decline in tight junction resistance in a system void of immune cells, suggesting they secrete factors that cause leakiness, which might be harnessed for pharmacologic targeting in patients with significant perilesional edema.
Source: Journal for Immunotherapy of Cancer - Category: Cancer & Oncology Source Type: research
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