The skin lesions expanded from the middle part of the forearms to the wrists during the observation period. Thereafter, the induration gradually disappeared.
[…] point toward the diagnosis of SCFN but the extent of the skin lesions, induration of the skin and subcutaneous tissue are features of SN.
Histologically, there is a remarkable deposition of mucin along the deep dermis layers. , ,  The typical skin lesions are ill-defined, nonpitting, erythematous, indurated