RT Conference Proceedings T1 Cutaneous Manifestations of Granulomatosis with Polyangiitis: A Case Series Study A1 Montero-Vilchez, Trinidad A1 Martinez-Lopez, Antonio A1 Salvador-Rodriguez, Luis A1 Ramírez-Barberena, Maria del Carmen A1 Tercedor-Sanchez, Jesus A1 Molina-Leyva, Alejandro A1 Arias-Santiago, Salvador K1 Granulomatosis with polyangiitis K1 Skin K1 Vascular purpura K1 Granulomatosis con poliangitis K1 Piel AB The aim of this study was to determine the prevalence and type of cutaneous manifestations which occur in patients with granulomatosis with polyangiitis and to explore the potential association between cutaneous and systemic involvement in these patients. A retrospective case series study was designed, including all granulomatosis with polyangiitis cases diagnosed between 2010 and 2018 at the Hospital Universitario Virgen de las Nieves. Thirty-nine patients with granulomatosis with polyangiitis were identified, of which 53.85% presented cutaneous manifestations. In decreasing order of frequency, the types of cutaneous problems observed included: palpable purpura, mucocutaneous ulcers, subcutaneous nodules, pyoderma gangrenosum-like ulcers, digital necrosis, papulonecrotic lesions and livedo reticularis. Patients with palpable purpura presented a higher frequency of renal involvement (p = 0.008). Cutaneous manifestations of granulomatosis with polyangiitis may facilitate early disease diagnosis. Likewise, a manifestation such as palpable purpura may be a predictor of kidney damage. PB Society for Publication of Acta Dermato-Venereologica SN 0001-5555 YR 2020 FD 2020-05-06 LK http://hdl.handle.net/10668/3449 UL http://hdl.handle.net/10668/3449 LA en NO Montero-Vilchez T, Martinez-Lopez A, Salvador-Rodriguez L, Ramírez-Barberena MC, Tercedor-Sanchez J, Molina-Leyva A, et al. Cutaneous Manifestations of Granulomatosis with Polyangiitis: A Case Series Study. Acta Derm Venereol. 2020 May 28;100(10):adv00150. DS RISalud RD Apr 10, 2025