The Dermoscopic “Chromosome Arms Sign” for Terra Firma-Forme Dermatosis

Abstract

Introduction Terra firma-forme dermatosis (TFFD) belongs to the group of “dirty dermatoses” and represents a not well-known and surely underestimated skin condition. Clinical Cases We present 2 cases of TFFD and present clinical and dermatoscopical findings. Results We present specific dermatoscopical findings of TFFD. Conclusion We propose the denomination “chromosome arms” sign for Terra firma-forme dermatosis