
An experimental guideline for the analysis of histologically heterogeneous tumors by MALDI-TOF mass spectrometry imaging
Keywords: MSI; mass spectrometry imaging; MALDI; matrix-assisted laser desorption/ionization; OS; osteosarcoma; LMS; leiomyosarcoma; MFS; myxofibrosarcoma; UPS; undifferentiated pleomorphic sarcoma; S/N; signal to noise ratio; H&E; hematoxylin and eosin; ROI; regio