October 2022 in “Dermatology practical & conceptual” This study found that bipolar disorder is more prevalent in patients with hidradenitis suppurativa than in those with psoriasis or in control groups.
January 2026 in “In Vivo” This study found that hidradenitis suppurativa is associated with an elevated risk of developing urolithiasis, suggesting shared inflammatory pathways and the need for vigilant kidney monitoring in affected individuals.
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December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” In this cross-sectional study, researchers observed that patients with hidradenitis suppurativa, particularly women, had lower 2D:4D finger length ratios compared to healthy controls, suggesting a potential link to prenatal androgen exposure and disease severity, though further prospective research is needed to confirm this hormonal impact.
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April 2021 in “Journal of Clinical Medicine” This pilot study found that bacterial cultures in axillary lymph nodes, skin lesions, and fistulae matched in one hidradenitis suppurativa patient, but the small sample size limits definitive conclusions.
November 2023 in “JAAD case reports” This research indicates that androgens may drive hidradenitis suppurativa in some patients, as they show higher testosterone levels compared to nonaffected controls, and testosterone-lowering medications are established treatments for milder cases.
