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A rare subtype of pyoderma gangrenosum disease characterized by grouped vesicles that rapidly spread and coalesce to form large bullae, which evolve into ulcerations that have an erythematous peripheral halo and central necrosis, mainly affecting the upper limbs and face. Lymphoproliferative diseases are frequently associated, thus prognosis is often compromised.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for bullous pyoderma gangrenosum.
5 publications have been identified in PubMed for bullous pyoderma gangrenosum. Research spans Case Report / Case Series (60%) and Other (40%).
Ishikawa M (2026). [PMID: 41211629](https://pubmed.ncbi.nlm.nih.gov/41211629/). *Int J Dermatol*. [Other]
Obeid L (2026). [PMID: 41668257](https://pubmed.ncbi.nlm.nih.gov/41668257/). *Am J Ther*. [Case Report / Case Series]
Kusano M (2025). [PMID: 40810462](https://pubmed.ncbi.nlm.nih.gov/40810462/). *J Dermatol*. [Other]
Ducastel N (2025). [PMID: 39870462](https://pubmed.ncbi.nlm.nih.gov/39870462/). *BMJ Case Rep*. [Case Report / Case Series]
Al-Bahrani M (2024). [PMID: 39737088](https://pubmed.ncbi.nlm.nih.gov/39737088/). *Oman Med J*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 7:22 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center