Fig. 4From: Cutaneous pilomatrical carcinosarcoma: a case report with molecular analysis and literature reviewFISH analysis with probes of chromosome 9p21 (gold), 17 (aqua), 3 (red) and 7 (green). a, c: Benign squamous cell epithelium, where one or two signals per one nucleus is observed for each probe. b, d: Sarcomatous component of the tumor, where varying copy number gains is observed with an increase in the copy numbers of chromosomes 9p21 (CDKN2A, p16 gene), 3, 7, and 17Back to article page