שאלה משלב א׳ ברפואה גרעינית · מועד 2020, שאלה 101

Correct: C — pneumonitis under biological therapy. Diffuse, non-mass-like uptake in lung that does not correspond to the original tumour bed is a drug-related pneumonitis. Option A, progressive disease, would show growth at tumour sites; option B, pseudoprogression, applies to immunotherapy and shows transient enlargement of known lesions; option D, post-SBRT change, is confined to the high-dose radiation volume.

מקור: Mettler-Ziessman p. p.531 , 532 , 534