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Abstract
To describe the histologic characteristics of vaginal tissue in patients with vaginal cuff dehiscence (VCD) after robotic hysterectomy and to compare this group with patients without dehiscence.Retrospective analysis (Canadian Task Force classification II-3).Academic center.Seven patients with VCD and 6 patients without VCD.Vaginal cuff tissue was obtained from all patients and was stained using hematoxylin-eosin and evaluated for acute and chronic inflammation markers including neutrophils, lymphocytes, and plasma cells. Immunohistochemical staining was performed and evaluated using the semiquantitative method for collagen types I and III, smooth muscle actin, and SM22a (myofibroblast) content. Grading was performed by 4 blinded investigators. The Mann-Whitney test was used to evaluate the 2 groups, and correlation coefficients for interobserver variability.The VCD group, compared with the non-VCD group, demonstrated significantly greater numbers of neutrophils (1.71 vs 1.0; p = .04), lymphocytes (2.85 vs 1.33; p = .002), and plasma cells (2.2 vs 1.0; p = .001). There was no statistical difference between the groups in amounts of collagen I (1.71 vs 1.27; p = .09) and collagen III (1.66 vs 1.38; p = .37), smooth muscle actin (1.23 vs 1.33; p = .65), and SM22a (1.85 vs 1.27; p = .09). Interobserver variability was low (? = 0.86; p = .76).Compared with the control group, patients with VCD demonstrated significantly higher levels of acute and chronic inflammatory cells. This finding suggests that a prolonged inflammatory phase may be delaying normal progression to reparation in patients with dehiscence.
View details for DOI 10.1016/j.jmig.2013.11.013
View details for PubMedID 24316139