“…17 Recent data suggest that the ATP2A2 gene is also correlated with several cancer types in humans. [19][20][21][22] Although squamous cell carcinoma is not common in patients with DD, 7 cases of oral, subungual, vulval, and scrotal squamous carcinoma have been reported in addition to basal cell carcinoma, melanoma, and non-small cell lung cancer [23][24][25][26][27][28][29] ; in the latter case, sequencing of the ATP2A2 gene revealed 3 polymorphisms and one ATP2A2 mutation (R751Q). 20 No DD patient with cancer has been detected in our cohort; however, the majority of patients were younger than 40 years.…”