Paradoxical hidradenitis suppurativa with ectopic localization during biologic treatment for ulcerative colitis: first report and characterization with high frequency resolution ultrasound
1 Unit of Dermatology and Skin Bank, Department of Clinical, Surgical and Neurosciences, University of Siena, Siena, Italy.
2 Unit of Dermatology and Skin Bank, Department of Clinical, Surgical and Neurosciences, University of Siena, Siena, Italy - f.falcinelli@student.unisi.it.