Fig. 1From: Systemic therapy of necrobiotic xanthogranuloma: a systematic reviewPRISMA flowchart of the study. The selection process for study inclusion in the systematic review and meta-analysis according to the preferred reporting items for systematic reviews and meta-analysis. A total of 170 patients were included from the literature search. 5 more institutional cases were added (see Table 1, Additional file 1, and Fig. 2)Back to article page