| Age/sex | Site | Type | Associated disease | Other comorbidities | Treatment | Recurrence |
| 67 M | Lower limb | Ulcerative | Ulcerative colitis | Stroke, hypertension, atrial fibrillation, and smoker | Prednisolone | Yes | 45 M | Upper limb | Ulcerative | — | Hypertension, hypercholesterolaemia, depression, and obstructive sleep apnoea | Prednisolone, doxycycline | Yes | 66 M | Peristomal | Vegetative | Crohn’s disease | Ischaemic heart disease, hypertension, and peptic ulcer | Mometasone furoate ointment | Yes | 30 M | Multiple | Bullous | Ankylosing spondylitis | — | Prednisolone, dapsone | Yes | 70 F | Lower limb | Ulcerative | — | Diabetes type 2, hypertension, hypercholesterolaemia, ischaemic heart disease, congestive cardiac failure, and atrial fibrillation | Prednisolone, minocycline | Yes | 33 F | Lower limb | Pustular | — | Obesity | Prednisolone, azathioprine, adalimumab, and MMF | Yes | 53 F | Lower limb | Ulcerative | — | Obesity, osteoarthritis | Prednisolone, azathioprine | Yes | 71 F | Lower limb | Ulcerative | — | Diabetes type 2, hypothyroidism, and peripheral vascular disease | Prednisolone | No | 72 F | Lower limb | Ulcerative | — | Diabetes type 2, hypertension, and hypercholesterolaemia | Betamethasone dipropionate ointment | No | 51 F | Multiple | Ulcerative | — | Diabetes type 2, chronic obstructive airways disease, hypercholesterolaemia, hypertension, and peripheral vascular disease | Prednisolone, MMF, and skin grafts | No | 80 F | Peristomal | Ulcerative | Colon cancer | Hypertension, Guillain-Barre syndrome, diabetes type 2, and osteoarthritis | Prednisolone, minocycline | No | 73 F | Peristomal | Ulcerative | Lung cancer | Hypertension, hypercholesterolaemia, and osteoarthritis | Prednisolone, doxycycline | No | 41 F | Breast | Ulcerative | — | — | Prednisolone | No | 60 F | Peristomal | Ulcerative | Colon cancer | Hypertension, ischaemic heart disease, and asthma | Prednisolone | No | 51 M | Lower limb | Ulcerative | — | Diabetes type 2, ischaemic heart disease | Prednisolone | No | 37 F | Breast | Ulcerative | — | — | Prednisolone | No | 62 F | Breast | Ulcerative | — | Rheumatic heart disease, congestive cardiac failure, and atrial fibrillation | Prednisolone, doxycycline | No | 89 F | Lower limb | Bullous | Essential thrombocytopenia | Diabetes type 2, hypertension, hypercholesterolaemia, osteoporosis, and peripheral vascular disease | Prednisolone, skin graft | No |
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