- Hidradenitis suppurativa was associated with increased overall cancer risk (odds ratio 1.82).
- Higher risk seen in gastrointestinal, head and neck, hematologic, and respiratory cancers.
- Increased risk of Hodgkin and non-Hodgkin lymphoma.
- No significant increase in breast, urogenital, or melanoma cancers.
- Findings may reflect inflammation and shared risk factors; confounding remains unclear.
Source: Dermatology and Therapy
