Yamanashi Prefectural Central Hospital 1 article published in JoVE Cancer Research Simple and Rapid Method to Obtain High-quality Tumor DNA from Clinical-pathological Specimens Using Touch Imprint Cytology Kenji Amemiya1,2, Yosuke Hirotsu1, Toshio Oyama2, Masao Omata1,3 1Genome Analysis Center, Yamanashi Central Hospital, 2Pathology Division, Laboratory Department, Yamanashi Central Hospital, 3The University of Tokyo Obtaining high-quality genomic DNA from tumor tissues is an essential first step for analyzing genetic alterations using next generation sequencing. In this article, we present a simple and rapid method to enrich tumor cells and obtain intact DNA from touch imprint cytology specimens.