noun
scintigram
Medical imaging term for a two-dimensional record of the distribution of a radioactive tracer in the body, obtained by scintigraphy.
医師はシンチグラムを見て、腫瘍の位置を確認した。
The doctor looked at the scintigram and confirmed the location of the tumor.
シンチグラフィー (scintigraphy) is the imaging technique or procedure, while シンチグラム (scintigram) is the resulting image or record.
Borrowed from English 'scintigram', itself from 'scintillation' + '-gram'.