Publications by authors named "Seok Mo Kim"

Background: Uterine adenomyosis and pulmonary endometriosis are exceptionally rare in adolescents and can pose significant diagnostic challenges due to their nonspecific clinical presentation and imaging features, which may mimic malignancy. Here, we describe a case of adenomyosis-associated uterine rupture (secondary to hemorrhagic necrosis) and concurrent pulmonary endometriosis in a 16-year-old girl initially suspected of having advanced uterine cancer.

Case Summary: A 16-year-old girl presented with acute abdominal pain and oliguria.

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Background: The global incidence of thyroid cancer, particularly papillary thyroid carcinoma (PTC), is rising due to more frequent incidental findings. Despite a high 10-year survival rate of 93%, up to 28% of PTC patients experience locoregional recurrence. Postoperative monitoring typically relies on serum thyroglobulin (Tg), but the presence of anti-thyroglobulin antibodies (TgAb) interferes with Tg measurement, necessitating reliable detection methods.

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Papillary thyroid carcinoma (PTC) is the most prevalent form of thyroid cancer with generally favorable outcomes. However, surgeons often face challenges regarding optimal surgical timing, extent of surgery, and identifying patients at risk for metastasis or progression to more aggressive subtypes. The ongoing debate over immediate surgery versus active surveillance emphasizes the need for reliable, minimally invasive diagnostic tools to inform surgical decision-making.

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Purpose: Thyroid cancer is often accompanied by a favorable prognosis; however, its survivors with distant metastasis experience significant physical and psychological challenges. To better understand their challenges, in this study, we investigated the experience of thyroid cancer survivors with distant metastasis.

Methods: A qualitative descriptive design was applied to 21 survivors of thyroid cancer with distant metastasis in South Korea.

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Background: Recent advances in thyroid surgery techniques have increased the number of patients undergoing transoral thyroidectomy, and many patients are concerned about post-thyroidectomy cosmetic effects. This study aimed to compare patient satisfaction after transoral versus conventional thyroidectomy.

Methods: This study was conducted from August 2021 to January 2022 at Gangnam Severance Hospital (Seoul, South Korea).

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Background And Purpose: Papillary thyroid cancer (PTC) is a general thyroid cancer subtype; however, PTC is associated with metastasis or recurrence via anti-cancer drug resistance, rendering it practically incurable. Therefore, effective and reliable clinical approaches are urgently required.

Experimental Approach: We demonstrated the coordinated up-regulation of sarco/endoplasmic reticulum (ER) calcium ATPase 1 (SERCA1) in metastatic PTC under treatment with sorafenib or lenvatinib.

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Objective: To analyze and improve the accuracy of preoperative assessment and intraoperative frozen-section analysis (FSA) for malignant ovarian germ cell tumors (MOGCTs), especially in the context of fertility preservation.

Methods: A retrospective review of 48 women aged under 40 years, diagnosed with MOGCTs, and treated at Chonnam National University Hospital between July and December 2022 was conducted. The results of preoperative magnetic resonance imaging (MRI), measurement of serum tumor markers (α-fetoprotein [AFP], β-human chorionic gonadotropin, lactate dehydrogenase [LDH], cancer antigen [CA] 125, CA 19-9, CA 72-4, carcinoembryonic antigen), and intraoperative FSA were compared with the final pathology diagnosis.

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Article Synopsis
  • * This study compared preoperative calcitonin and procalcitonin (PCT) levels in diagnosing MTC and found that calcitonin levels were significantly associated with MTC diagnosis, while PCT was not.
  • * Both calcitonin and PCT demonstrated similar effectiveness in diagnosing MTC, suggesting that they can be used together based on individual patient circumstances and lab settings.
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Purpose: To investigate whether preoperative ultrasonographic (US) features of the index cancer and metastatic lymph nodes (LNs) are associated with level II LN metastasis in N1b papillary rmfthyroid carcinoma (PTC) patients.

Materials And Methods: We enrolled 517 patients (mean age, 42 [range, 6-80] years) who underwent total thyroidectomy and lateral compartment LN dissection between January 2009 and December 2015. We reviewed the clinicopathologic and US features of the index cancer and metastatic LNs in the lateral neck.

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Objectives: Fertility-sparing treatment (FST) might be considered an option for reproductive patients with low-risk endometrial cancer (EC). On the other hand, the matching rates between preoperative assessment and postoperative pathology in low-risk EC patients are not high enough. We aimed to predict the postoperative pathology depending on preoperative myometrial invasion (MI) and grade in low-risk EC patients to help extend the current criteria for FST.

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Purpose: The increase in thyroid cancer incidence has inevitably led to an increase in thyroid cancer surgeries. This meta-regression analysis aimed to determine if the rate of post-thyroidectomy complications changes by year.

Materials And Methods: PubMed and Embase databases were used to perform a systematic literature search of studies published from January 1, 2005, using the keywords "thyroidectomy" and "complication.

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Background: Immature ovarian teratoma is a rare and aggressive neoplasm that affects young women. This report is the first to describe the development of immature teratoma after ovarian cystectomy for mature teratoma of the ovary in an adolescent female with a family history of ovarian teratoma.

Case Summary: A 16-year-old girl who had undergone bilateral ovarian cystectomy for mature teratomas 3 years ago showed bilateral adnexal tumors during her regular ultrasonography follow-up every 6 months.

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Background: Bulky or multiple lymph node (LN) metastases are associated with poor prognosis in cervical cancer, and the size or number of LN metastases is not yet reflected in the staging system and therapeutic strategy. Although the therapeutic effects of surgical resection of bulky LNs before standard treatment have been reported in several retrospective studies, well-planned randomized clinical studies are lacking. Therefore, the aim of the Korean Gynecologic Oncology Group (KGOG) 1047/DEBULK trial is to investigate whether the debulking surgery of bulky or multiple LNs prior to concurrent chemoradiation therapy (CCRT) improves the survival rate of patients with cervical cancer IIICr diagnosed by imaging tests.

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Objective: Our study used human papillomavirus (HPV) genotyping to assess the disease occurrence probability in women with a low-grade squamous intraepithelial lesion (LSIL) without histologically confirmed cervical intraepithelial neoplasia grade 2 or worse (CIN2+).

Methods: This study investigated CIN2+ incidence in 1986 women from January 2005 to August 2016, including 1123 with LSIL who were histology-proven negative and 863 with LSIL who were histology-proven CIN1. Baseline high-risk HPV (HR-HPV) status was determined using the hybrid capture II assay (HC2), and HR-HPV genotype was determined using the HPV DNA chip test (HDC).

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Purpose: Focused parathyroidectomy is the gold standard treatment modality for primary hyperparathyroidism, which allows accurate preoperative localization. Robotic parathyroidectomy has emerged as a feasible procedure for focused parathyroidectomy. This study aimed to report the experiences of gasless robotic transaxillary parathyroidectomy for primary hyperparathyroidism in a single center.

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Transoral endoscopic thyroidectomy with vestibular approach (TOETVA) is a scarless thyroid surgery used as an alternative to open conventional surgery. Our aim was to investigate possible risk factors for complications and conversion during TOETVA. The study was conducted internationally by centres from Turkiye, the Republic of Korea, Italy, and Peru.

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Thyroid cancer is the most well-known type of endocrine cancer that is easily treatable and can be completely cured in most cases. Nonetheless, anti-cancer drug-resistant metastasis or recurrence may occur and lead to the failure of cancer therapy, which eventually leads to the death of a patient with cancer. This study aimed to detect novel thyroid cancer target candidates based on validating and identifying one of many anti-cancer drug-resistant targets in patient-derived sorafenib-resistant papillary thyroid cancer (PTC).

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It is important to identify risk factors for post-thyroidectomy bleeding requiring airway intervention or reoperation. Therefore, we aimed to compare the characteristics of patients with postoperative bleeding after thyroid surgery according to the period until reoperation. We conducted a retrospective study analyzing data between April 2009 and July 2022 and included 126 patients who had postoperative bleeding.

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Papillary thyroid cancer (PTC) is the most common type of endocrine cancer worldwide. Generally, PTC has an excellent prognosis; however, lymph node metastases and recurrences occur frequently. Over the last decade, circular RNAs (circRNAs), a large class of noncoding RNAs (ncRNAs), have emerged as key regulators of various tumor progression pathways.

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Purpose: Visible scars on the neck caused by thyroid surgery give rise to significant aesthetic, functional, and psychosocial problems. The objective of this study is to comparatively investigate the public perception of neck scar cosmesis in Turkish and South Korean populations.

Methods: This survey was prepared to collect participants' demographic and socioeconomic data and determine their perception of scar cosmesis on the neck and consisted of 15 questions.

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Anaplastic thyroid cancer (ATC) is one of the most aggressive tumors with an extremely poor prognosis. Based on the several biological features related to glutamine metabolism in ATC, we hypothesized glutaminolysis inhibition induces cell death in ATC cells. However, glutamine metabolism inhibition triggered cell growth arrest independent of cell death in ATC, suggesting that other signaling pathways avoid glutamine metabolism inhibition-induced stress exist.

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Introduction: Metachronous lateral neck recurrence after thyroidectomy for N1b papillary thyroid cancer is accompanied by high morbidity and increased difficulty of reoperation. From the perspective of recurrence, the objective of this study was to compare patients who underwent metachronous lateral neck dissection (mLND) despite initial thyroidectomy and patients who underwent synchronous lateral neck dissection (sLND) for papillary thyroid cancer and analyze the risk factors for recurrence after mLND.

Method: This retrospective study involved 1,760 patients who underwent lateral neck dissection for papillary thyroid cancer at the Gangnam Severance Hospital, a tertiary medical center in Korea, from June 2005 to December 2016.

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Diffuse sclerosing variant papillary thyroid carcinoma (DSVPTC) is commonly observed in young patients, with a median age at diagnosis in the third decade of life. Further, the risk of recurrence is higher for DSVPTC than for classical PTC. Therefore, this study aimed to describe the clinicopathological and genetic characteristics of patients of different ages with DSVPTC.

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We evaluated the clinical outcomes of using type 1 collagen gel after therapeutic resectoscopy; overall, 150 women aged > 20 who planned to undergo therapeutic resectoscopy were enrolled. The patients were randomly assigned to either of the anti-adhesive treatment groups: the type 1 collagen gel (Collabarrier) (study group; N = 75) or the sodium hyaluronate and sodium carboxymethylcellulose gel group (control group; N = 75) after resectoscopy. One month after applying anti-adhesive materials, postoperative intrauterine adhesions were evaluated using second-look hysteroscopy; the incidence rate of postoperative intrauterine adhesions examined through second-look hysteroscopy showed no significant differences between the groups.

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Background: Primary thyroid lymphoma (PTL) is a very rare entity accounting for 5% of all thyroid malignancies and less than 2% of lymphomas. PTLs are classified as non-Hodgkin's B-cell lymphomas in the majority of cases, although Hodgkin's lymphoma of the thyroid has also been identified. This study aimed to identify the clinical, biochemical, and pathological features of primary thyroid lymphomas.

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