The article presents the historical origin of the term "Koebner phenomenon". The literature data reflect the etiology, pathogenesis and epidemiology of isomorphic mechanisms provoking responses in lichen planus, psoriasis, scleroder-ma, syphilis. Variants of the Koebner phenomenon's classifications are given. The clinical cases of limited scleroderma after mechanical injury are described.
Talnikova Е.Е., Sherstneva V.N., Utz S.R. Phenomenon of isomorphic provoking responses in cases of limited scleroderma // Saratov Journal of Medical Scientific Research, Vol. 11, Issue 3, 2015, pp. 454-457

The goal: to investigate the process of angiogenesis by determining the level of vascular endothelial growth factor (VEGF) in the blood serum of patients with lichen planus (CPL) and psoriasis. Material and Methods. The study included 50 patients with CPL, 62 patients with psoriasis and 36 were in the control group of healthy individuals. All of the participants were to determine the level of VEGF in a blood serum before treatment. Results. Patients with CPL had an increase in the level of VEGF in serum prior to 1992 pg/ml, in the patients with psoriasis — up to 1748.8 pg/ml. Level of VEGF in healthy individuals ranged from 37 to 475 pg/ml. Conclusion. When the CPL and psoriasis excessive angiogenesis is observed, elevated levels of VEGF in the serum of these patients and it is possible that vascular normalization such element of pathogenesis of psoriasis and CPL lead to stable remission of these dermatoses.
Artemina Е.М., Shtoda U.М., Slesarenko N.A., Bakulev A.L., Utz S.R. he role of vascular endothelial growth factor in the pathogenesis of lichen planus and psoriasis // Saratov Journal of Medical Scientific Research, Vol. 10, Issue 3, 2014, pp. 539-542

Aims. Estimating of the efficiency of different immunosuppressive methods in patients with lichen planus and choice of tactics of treatment. Materials and methods. The study included 60 patients with disseminated forms of lichen planus in age from 10 to 60 years. Patients have received various types of immunosuppressive therapy (cyclosporine, hormones, PUVA therapy, UVA-1-therapy) and in accordance with this were divided into 4 groups. Results. Clinical resolution or significant improvement in short terms has been achieved mainly as a result of hormone therapy and physiotherapy methods, but not all of these methods are well tolerated in patients. Conclusion. The results showed that the enhancement of local treatment expense physiotherapeutic techniques (UVA-1 therapy), contributes to more rapid clinical resolution, and safer for the patient.
Reshetnikova Е.М., Utz S.R., Slesarenko N.A. Phototherapy in complex treatment of patients with lichen planus // Saratov Journal of Medical Scientific Research, Vol. 9, Issue 3, 2013, pp. 530-533