Case of neutrophilic eccrine hidradenitis resembling acanthosis nigricans in a patient with acute myeloid leukemia associated with azacitidine and sorafenib. Issue 4 (4th February 2021) - Heo, Jae Young; Park, Tae Heum; Kim, Woo Il; Yoon, Seug Yun; Cho, Moon Kyun; Kim, Sooyoung