AimOpen myomectomy (OM) was previously frequently performed; however, laparoscopic myomectomy (LM) has recently become more common. Nevertheless, myoma can recur after both LM and OM. In this study, we report our retrospective investigation of myoma recurrence by comparing LM and OM.MethodsA total of 474 patients underwent LM and 279 patients underwent OM. The patients were followed‐up postoperatively from six months to eight years. Recurrence was confirmed when a myoma with a diameter of ≥ 1 cm was detected. Post‐LM, post‐OM and cumulative recurrence rates were investigated, and a Cox hazard test was performed.ResultsThe cumulative recurrence rates between the two groups were 76.2% (LM) vs. 63.4% (OM) at eight years postoperatively. A log‐rank test revealed a significant difference between the two groups. Cox hazard testing revealed that LM, a larger number of enucleated myoma masses and the absence of postoperative gestation significantly contributed to the postoperative recurrence rate.ConclusionsLM yielded a higher recurrence rate than OM, likely a result of manual myoma removal in OM, which is a more exhaustive extraction of smaller myoma masses than performed in LM. In other words, fewer residual myoma masses after OM contribute to a lower postoperative recurrence rate.
The relationship between bacterial vaginosis (BV) and preterm delivery has become well known in recent years, although there are few studies on: (i) the differences in test results during the early gestational (EGP) and middle gestational (MGP) periods; (ii) the significance of the intermediate (I) group that does not develop overt BV; or (iii) the therapeutic effects of metronidazole. We performed a retrospective study to analyze the relationship between the vaginal bacterial status and the preterm delivery rate. Without treatment, the preterm delivery rate was higher in the BV subgroup than in the I and normal (N) subgroups (p = 0.021) in the EGP, whereas the rates in the BV and I subgroups were higher than in the N subgroup in the MGP (p = 0.0003). Although treatment of BV by metronidazole vaginal tablets significantly increased the N subgroup in the MGP (p = 0.020), there was no significant improvement in the preterm delivery rate. Decreasing the rate of preterm delivery requires development of treatment methods that will further increase the percentage of patients who test N during the MGP after BV during the EGP.
Malignant struma ovarii is a rare type of ovarian tumor. Metastasis from malignant struma ovarii is rare and has only been documented in 5–6% of cases. The natural history and optimal treatment strategy for malignant struma ovarii remains controversial due to its rarity. The current report presents the case of a 45-year-old female who presented with a tumor of the rib bone. Following resection, the postoperative diagnosis was a metastasizing thyroid carcinoma. No abnormality was detected in the thyroid gland, however, computed tomography revealed a tumor in the left ovary. The patient underwent a left salpingo-oophorectomy and a wedge resection of the right ovary. The postoperative diagnosis was determined as a mature cystic teratoma with malignant struma ovarii (thyroid type, follicular carcinoma) of the left ovary and mature cystic teratoma of the right ovary. Four years subsequent to the initial diagnosis, multiple lung metastases were detected. The following chemotherapies were administered sequentially and intermittently: Tegafur-uracil, paclitaxel/carboplatin and oral etoposide. During this period, the metastatic lesions extended into the bone and progressed slowly. The patient continues to survive with the disease and 24 years have passed since the initial diagnosis, 20 years following the diagnosis of multiple lung metastates. The present report describes a rare case of malignant struma ovarii in which surgical resection and pathological examination of a metastatic rib tumor resulted in the identification of the primary ovarian lesion. The clinical behavior of malignant struma ovarii does not necessarily indicate a histological malignancy, therefore, prediction of future metastasis is difficult and the optimal treatment strategy for malignant struma ovarii is controversial. The present case indicates that the long-term use of oral anticancer agents may facilitate the maintenance of tumor dormancy.
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