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    Ectopic Liver Tissue on the Gallbladder: An Incidental Mass in Laparoscopy
    (Acad Medical Sciences I R Iran, 2016) Karaca, Gokhan; Ozden, Huseyin; Pehlivanli, Faruk; Pekcici, M. Recep; Yildirim, Yesim
    Ectopic liver is a rare developmental abnormality. It is often asymptomatic and could be determined during the surgery. Although it be detected in different areas of the body either below or above of the diaphragm, ectopic liver is usually found on the wall of the gallbladder. The importance of the ectopic liver came from the elevated risk of development of hepatocellulary carcinoma from ectopic tissue. Ectopic liver tissue could also mimic malign masses in radiographic studies. Ultrasound-guided percutaneous biopsies could be helpful for preoperative diagnosis. Recently, widespread usage of laparoscopic techniques caused an increase on the description of ectopic liver tissues located on the gallbladder, Due to the potential risk of developing malignancy the resection of the mass should be the preferred approach for an incidentally or intraoperatively diagnosed ectopic liver tissue.
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    The effects of scalpel, harmonic scalpel and monopolar electrocautery on the healing of colonic anastomosis after colonic resection
    (Korean Surgical Society, 2016) Karaca, Gokhan; Pekcici, M. Recep; Altunkaya, Canan; Fidanci, Vildan; Kilinc, Aytul; Ozer, Huseyin; Guler, Osman
    Purpose: In our study, the effects of harmonic scalpel, scalpel, and monopolar electrocautery usage on the health and healing of colon anastomosis after resection was investigated. Methods: In this study, 120 female albino Wistar rats were divided into 3 groups each containing 40 rats. Group A, resection with scalpel; group B, resection with monopolar electrocautery; group C, resection with harmonic scalpel. The groups were divided into 4 subgroups consisting of 10 rats and analysed in the postoperative 1st, 3rd, 5th, and 7th days. Anastomotic bursting pressures, hydroxyproline levels and histopathological parameters were surrogate parameters for evaluating wound healing. Results: The tissue hydroxyproline levels did not show any significant difference between the groups and subgroups. The mean bursting pressure of group A on the 5th day was significantly higher than groups B and C (P < 0.001). When the fibroblast and fibrosis scores were evaluated, scores of group C on the 5th day were significantly higher than the other groups, but the results of bursting pressures and biochemical parameters did not support the fibroblast and fibrosis scores. There were not any significant differences between the groups in other histopathologic parameters. Conclusion: The use of monopolar electrocautery needs more attention since the device causes tissue destruction. The obliterating effect of harmonic scalpel on luminal organs is an important problem, especially if an anastomosis is planned. Despite the disadvantages of scalpel, its efficacy on early wound healing is better than the other devices.