A Case Report of Extensive Pyoderma Gangrenosum on the Upper Third of the Body

Hundreds of inconsistencies in the nomenclature of pyoderma gangrenosum: The need to harmonise terminology for phenotypes

“…Pyoderma gangrenosum (PG) is a rare, ulcerative neutrophilic dermatosis mainly affecting the lower extremities. 1 , 2 Patients present with differing phenotypes that lead to diagnostic and therapeutic challenges. 3 Phenotypic descriptions of PG in the literature are ambiguous, with terminology such as ‘widespread’, ‘disseminated’, ‘extensive’, ‘multifocal’ and ‘generalised’ being inconsistently applied to varied clinical scenarios.…”