Postpartum thyroiditis is one of the autoimmune thyroid dysfunctions which occurs during 12 months after delivery. Transient episodes of hypo­and hyperthyroidism in this disorder leads to maternal psychological and physical problems. Irreversible hypothyroidism occurs in a number of mothers. The prevalence and clinical course of the disease haven't been evaluated before, so this study was condu...

Background Hashimoto's thyroiditis (HT) is a common cause of thyroid diseases in children and the role of vitamin D (VD) is controversial. Therefore, the aim of this study was to investigate the influence of VD therapy on HT in children with hypovitaminosis D.<br...

Placenta previa can be difficult to diagnose with transabdominal sonography during the third trimester of pregnancy, because of difficulties in imaging the cervix late in pregnancy. Although transperineal sonography offers an additional view of the cervix, its value in the diagnosis of placenta previa has not been studied. Accordingly, we performed transperineal sonography on 164 patients who h...

We compared transvaginal sonography, sonohysterography, and diagnostic hysteroscopy in the evaluation of abnormal uterine bleeding, Sixty-eight women 40 or older with abnormal uterine bleeding were assigned to undergo either transvaginal sonography or sonohysterography. All subjects then had diagnostic hysteroscopy and endometrial biopsy. Patients with abnormal findings underwent operative hyst...

OBJECTIVE Thyroid blood flow is greatly enhanced in untreated Graves' disease, but it is not known whether it is due to thyroid hormone excess or to thyroid hyperstimulation by TSH-receptor antibody. To address this issue in vivo patients with different thyroid disorders were submitted to color flow doppler sonography (CFDS). SUBJECTS AND METHODS We investigated 24 normal subjects, and 78 pat...

The most common side effects of amiodarone therapy include disruptions of thyroid function with the incidence range from 14-18% [1, 2]. In fact this antiarrhythmic drug is rich in iodine and during common therapy the oversupply of iodine is 50-100 times higher than its optimal intake. Moreover, due to its intrinsic qualities (not related to iodine load), such as structural resemblance to thyroi...

OBJECTIVES The prostate specific antigen test is widely used as the main method of screening prostate cancer in Korea. Additionally, the use of ultrasound sonography may lead to overdiagnosis of kidney cancer as well as thyroid cancer. This study aimed to highlight epidemiological evidences regarding overdiagnosis of prostate and kidney cancers in Korean. METHODS The annual trends of national...

OBJECTIVE The purpose of this study was to evaluate the effectiveness of contrast-enhanced sonography in comparison with conventional sonography in differentiating muscle-infiltrating and superficial neoplasms of the urinary bladder. SUBJECTS AND METHODS Conventional and contrast-enhanced sonography were performed on 34 consecutively registered patients with bladder tumors. All examinations w...