{Reference Type}: Case Reports {Title}: A Rare Entity Developing After Breast Reconstruction: Pyoderma Gangrenosum. {Author}: Yanıkoğlu E;Ekinci C;Kose AA; {Journal}: Cureus {Volume}: 16 {Issue}: 6 {Year}: 2024 Jun 暂无{DOI}: 10.7759/cureus.62361 {Abstract}: Pyoderma gangrenosum (PG) is a rare and persistent neutrophilic dermatosis with an unknown cause. The condition typically manifests clinically as a pustule or plaque that quickly evolves into a necrotic ulcer with undermined violet-colored margins. A surgical debridement might worsen the disease due to the pathergy phenomenon. This case report presents a 48-year-old woman who underwent a late breast reconstruction with a transverse rectus abdominis myocutaneous flap and was subsequently diagnosed with PG. The report details the delays in the diagnosis and management of the disease, providing a comprehensive account of the course of events.