P866 Skin lesions among consecutive Inflammatory bowel disease patients in outpatient setting

Jonaityte, I.R.(1);Kiudelis, G.(1)*;Valiukeviciene, S.(2);Kupcinskas, J.(1);JonaitisProf., L.(1);

(1)Lithuanian University of Health Sciences, Gastroenterology, Kaunas, Lithuania;(2)Lithuanian University of Health Sciences, Skin and Venereal Diseases, Kaunas, Lithuania;


It is well known that skin lesions may be frequent extraintestinal manifestations of inflammatory bowel diseases (IBD). During literature analysis we found out that there is an obvious lack of epidemiological data regarding this issue. Therefore, the aim of our study was to establish the prevalence of skin lesions among consecutive IBD patients in outpatient department.


Prospective study included out-patients with IBD who were managed in the hospital of Lithuanian University of Health Sciences from January to October of 2022. Patients completed the questionnaires including the demographic and the IBD data and history or present state of cutaneous lesions. We considered skin lesions related to IBD or its treatment if they were diagnosed following the diagnosis of IBD. Skin lesions which were reported before the diagnosis of IBD were considered as not related to IBD.


152 patients were included, mean age (MA) – 42.0±13.9 years. There were 88 (57.9%) males and 64 (42.1%) females. Ulcerative colitis (UC) was diagnosed in 110 (72.4%) patients, Crohn’s disease (CD) – in 42 (27.6%) patients. MA of UC patients was 42.3±13.6, CD – 41.1±14.9, p>0.05. In total, skin lesions were indicated by 65 (42.8%) subjects. According to our criteria, in 46 (30.3%; 95% CI: 23-38%) cases, skin lesions were considered as obviously related to IBD or its treatment. We further analyzed latter cases.
Among UC patients, 32 (29.1%; 95% CI: 20-38%) had skin lesions related to IBD, among CD patients – 14 (33.3%; 95% CI: 18-48%), p>0.05.
Erythema nodosum was diagnosed in 6 (3.9%) patients, pyoderma gangrenosum – 5 (3.3%), acne – 1 (0.7%), psoriasis – 9 (5.9%), vitiligo – 2 (1.3%), epidermolysis bullosa acquisita – 1 (0.7%), hemorrhagic vasculitis – 1 (0.7%), eczema – 9 (5.9%), allergic rash – 4 (2.6%).
The comparison of different skin lesions among UC and CD patients is presented in table 1.

Among the patients with UC proctitis, skin lesions were reported in 2 of 15 (13.3%) patients; among left-sided colitis – in 8 of 27 (29.6%); among pancolitis – in 22 of 67 (32.8%), p=0.03 between the groups of proctitis and pancolitis.
Comparing the different forms of CD, skin lesions were reported in 3 of 15 (20.0%) patients with ileitis, 4 of 10 (40.0%) patients with colitis and 7 of 17 (41.2%) patients with ileocolitis; p>0.05 between different groups.


In our series the prevalence of skin lesions obviously related to IBD or its treatment is 30.3%. There were no differences in the prevalence of skin lesions between the UC and CD patients. The most common skin lesions in UC were psoriasis and skin eczema, in CD – erythema nodosum and skin eczema. Cutaneous lesions were significantly more prevalent in extensive UC compared to distal disease.