{Reference Type}: Case Reports {Title}: Granulocyte colony-stimulating factor-producing cutaneous spindle cell squamous cell carcinoma: a case report. {Author}: Takegami T;Nakajima Y;Okuno A;Cho R;Yamamoto T;Fujiwara K;Ueki N;Morooka S;Kudo H; {Journal}: Eur J Dermatol {Volume}: 34 {Issue}: 3 {Year}: 2024 Jun 1 {Factor}: 2.805 {DOI}: 10.1684/ejd.2024.4709