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    Application of sentinel lymph node dissection in gynecologic cancers: Review
    (OrtadogŸu Reklam Tanitim Yayincilik Turizm Egitim Insaat Sanayi ve Ticaret A.S., 2015) Balci, Hatice; Koş???us, Aydin; Kaygusuz, İkbal Cekmen; Köşüş, Nermin; Eser, Ayla Açar; Altindiş, Ayşe
    Sentinel lymph node (SLN), where the primary tumoral lymphatic flow firstly ends is the place with the highest possibility of tumoral involvement in case of metastasis from the primary tumor. Therefore; according to the lymphatic mapping hypothesis, if the sentinel node is negative in terms of metastasis, non-sentinel nodes are also expected to be negative. Several techniques have been reported to identify the sentinel nodes. These are blue dye labeling, radio labeling and combined labeling that comprise sequential application of blue dye and technetium (tc) labeling. Blue dye is the general procedure when injected into damaged tissue intraoperativly to distinguish the tumor tissue. SLN dissection application is used in vulva and cervix cancers more commonly in gynecologic cancers. For this purpose, in cases where tc-labeled nanocolloid is used, SLN detection rate has been found 100%. It has been reported that SLN detection rate was 80-86% in cervical cancer, 50-80% in endometrial cancer and a little lower than those in vulva cancer. The method of SLN is consolidating its role in the diagnosis of vulvar and cervical cancer day by day. However, the most frequently encountered problems in the application of the SLN are the cases which found negative for metastasis in histopathological examination but understood to have micro level metastases at ultra-staging. The main prognostic factors in vulvar cancer is the nodal metastasis that independent from the primary tumor size. The conformity of routine use of SLN dissection without complementary lymphadenectomy is still controversial because inguinal region metastases is fatal in patients with vulvar carcinoma. However, most modern and promising future method is considering to be SLN biopsy. More studies are required for vulvar melanoma, vaginal, ovarial and endometrial cancers. © 2021 Elsevier B.V., All rights reserved.
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    Investigation of Demodex folliculorum frequency in patients with polycystic ovary syndrome
    (Soc Brasileira Dermatologia, 2017) Eser, Ayla; Erpolat, Seval; Kaygusuz, Ikbal; Balci, Hatice; Kosus, Aydin
    Background: Background: Demodex mites are acari that reside in the pilosebaceous unit of the skin and have been associated with skin disorders. Objective: The objective of this study was to investigate the prevalence of Demodex folliculorum (D. folliculorum) mites in polycystic ovary syndrome patients as well as to examine the relationship between Demodex infestation and the presence of acne and oily or dry skin types in polycystic ovary syndrome patients. Methods: 41 polycystic ovary syndrome patients and 47 non-polycystic ovary syndrome control subjects were enrolled in the study. polycystic ovary syndrome was diagnosed according to the revised 2003 ESHRE/ASRM polycystic ovary syndrome Consensus Workshop Group diagnostic criteria. Microscopic examination of D. folliculorum mites was carried out by standardized skin surface biopsy. The result was considered positive when there were more than 5 mites per cm(2). Results: D. folliculorum was positive in 53.7% of the polycystic ovary syndrome patients and 31.9% of the non-polycystic ovary syndrome group (p=0.052). Demodex positivity was significantly associated with acne (p=0.003) and oily skin (p=0.005) in the polycystic ovary syndrome patients but not in the controls. Study limitation: Our study is limited by the relatively small number of subjects and the observational nature of the study design. Conclusion: Demodex mites might have a role in acne pathogenesis in patients with polycystic ovary syndrome. Anti-Demodex treatment may increase the response to treatment of acne. Further studies are indicated.
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    Nail alterations during pregnancy: a clinical study
    (Wiley-Blackwell, 2016) Erpolat, Seval; Eser, Ayla; Kaygusuz, Ikbal; Balci, Hatice; Kosus, Aydin; Kosus, Nermin
    During pregnancy, cutaneous and appendageal alterations manifest and may cause concern in the subject. The nails may be affected by pregnancy. This study investigated the frequency and nature of nail changes occurring during pregnancy in 312 healthy, 18-40-year-old pregnant women in gestation weeks 16-40. After a routine obstetric examination at the obstetrics and gynecology clinic at the study institution, all subjects submitted to an examination of all fingernails and toenails. Only nail alterations that had developed during pregnancy were recorded. Any nail changes that had occurred before the start of gestation were not considered. Data were presented as percentages. The Shapiro-Wilk and chi-squared tests were used to make categorical comparisons. A P-value of < 0.05 was considered to indicate statistical significance. No nail pathologies were detected in 116 (37.2%) of the 312 subjects. The most commonly found nail change was leukonychia (24.4%). Ingrown toenail (9.0%) and onychoschizia (9.0%) represented the second most common nail changes. Rapid nail growth and subungual hyperkeratosis were observed in 6.7% and 4.2%, respectively, of subjects. When the alterations were evaluated according to gestational age, the most common nail pathology was leukonychia at both 14-28 weeks (16.3%) and 29-42 weeks (27.4%) of pregnancy. Leukonychia, onychoschizia, onycholysis, and brittle nail pathologies were frequently observed at 29-42 weeks of pregnancy (P = 0.047). A large proportion of nail changes that occur during pregnancy are benign and do not require treatment. However, these changes may cause significant cosmetic stress in women.