22 September 2026
: Case report 
Dual-Site Postsurgical Pyoderma Gangrenosum of the Breast and Back With Delayed Diagnosis: A Case Report
Unusual clinical course, Challenging differential diagnosis
Tristan Packard ABCDEF 1*, Grant Dolan ABCD 2, Cathryn Chance BEF 1, Mark Jones ABDE 3DOI: 10.12659/AJCR.954079
Am J Case Rep 2026; 27:e954079
Figure 2 Clinical progression of the left lower back lesion. (A) Reopening of the left lower back wound, initially measuring approximately 0.2 × 0.5 cm. (B) Interval enlargement of the lower back lesion to approximately 0.9 × 1.2 cm. (C) Maximum lesion size prior to initiation of immunosuppressive therapy, measuring approximately 2.0 × 2.5 cm. (D) Complete resolution following immunosuppressive therapy. Images were obtained during routine clinical care; therefore, acquisition distance, angle, lighting, and scale were not fully standardized.