Pencil‐core granuloma with extensive calcinosis: An unusual case report. Issue 6 (27th December 2018) - Nakamura, Yoshiyuki; Sasaki, Katsuhito; Fujisawa, Yasuhiro; Okiyama, Naoko; Ishitsuka, Yosuke; Oya, Kazumasa; Watanabe, Rei; Fujimoto, Manabu