이용상 교수
Yong Sang Lee
연세대학교 외과 · 의학
연구실 소개
이용상 교수의 연구실은 주로 갑상선암의 수술적 치료 전략과 병변의 생물학적 특성에 초점을 맞추고 있습니다. 특히 소형 갑상선암에서의 림프절 확장 절제의 임상적 유의성, 갑상선암의 이환율과 병행되는 잠재성 암의 특성 비교, 그리고 고도로 악성도가 높은 낭성 갑상선암의 표적 치료제 개발까지 다각도로 연구를 진행하고 있습니다. 특히 수술 범위와 합병증, 호르몬 이상 반응, 암세포의 약물 내성 메커니즘 등 임상적 실용성을 기반으로 한 정밀의료 전략 수립이 핵심 목표입니다.
연구 현황
연구 성과 추이
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주요 논문
15The aim of this study was to investigate the complications following surgical treatment of thyroid cancer and the association between the extent of surgery and complication rates. A total of 2,636 patients who underwent surgery due to thyroid cancer were retrospectively reviewed to identify surgical complications. Complication rates were assessed according to the extent of surgery, which was classified as follows; less-than-total thyroidectomy with central compartment node dissection (CCND) (Gro
The indications for and extent of routine lymph node dissection in patients with papillary thyroid carcinoma (PTC) are unclear. The aim of this study was to investigate the association between the extent of central lymph node dissection (CLND) and the therapeutic effects and potential risks in patients with a small PTC. A total of 103 patients with a PTC <2 cm who underwent total thyroidectomy with routine CLND were divided into those who underwent routine bilateral CLND (group I) and those with
BACKGROUND: The purpose of the present study was to evaluate the clinicopathologic characteristics and short-term outcomes of papillary thyroid carcinomas (PTC) located in the isthmus compared to tumors located in other thyroid regions, and to use those findings to establish a surgical strategy for treating these tumors. PATIENTS AND METHODS: Thyroidectomy was performed in 1,973 thyroid cancer patients in our hospital between January 2006 and December 2007. The patients were analyzed in two grou
The aim of this study was to review the literature of latent papillary thyroid carcinomas (PTCs) discovered at autopsy and describe the available pathologic and demographic differences from a group of papillary thyroid microcarcinomas (PTMCs) the reported in a previous publication. We searched the PubMed for published articles describing latent thyroid carcinomas detected at autopsy. Meta-analysis was performed to identify differences between the clinicopathologic features of PTMCs analyzed prev
Anaplastic thyroid cancer (ATC) constitutes less than 2% of total thyroid cancers but accounts for 20-40% of thyroid cancer-related deaths. Cancer stem cell drug resistance represents a primary factor hindering treatment. This study aimed to develop targeted agents against thyroid malignancy, focusing on individual and synergistic effects of HNHA (histone deacetylase), lenvatinib (FGFR), and sorafenib (tyrosine kinase) inhibitors. Patients with biochemically and histologically proven papillary t
CONTEXT: Tumor size is important in determining the range of surgery in papillary thyroid carcinomas (PTCs), especially those smaller than 1 cm. OBJECTIVE: We aimed to analyze the features of small PTCs with aggressive subtypes based on histological characteristics. METHODS: In this retrospective study, we reviewed the medical records of 11 570 patients with PTCs smaller than or equal to 1 cm who underwent thyroidectomy between January 2009 and December 2016. Aggressive subtypes included diffuse
<b>Background:</b> Lobectomy with preservation of the contralateral lobe has already become the most preferred surgical method for patients with low-risk thyroid cancer. The incidence of and risk factors for the development of hypothyroidism after lobectomy for thyroid cancer remains unclear. The previous practice of levothyroxine supplementation post-thyroidectomy, to bring about thyroid stimulating hormone (TSH) suppression, had some serious side effects. This study aimed to evaluate the incid
BACKGROUND: Adrenal injury secondary to abdominal trauma is quite rare because the adrenal gland is located deep in the retroperitoneum and is well cushioned by surrounding soft tissues. This report presents our experiences of managing patients with adrenal injury following abdominal blunt trauma. METHODS: The medical records of 11 patients who had been treated for adrenal gland injury between January 1998 and June 2009 were retrospectively reviewed. RESULTS: Of the 11 patients, nine were male a
BACKGROUND: The aims of this study were to assess the clinicopathologic features of patients with chyle leakage following thyroid cancer surgery without lateral neck dissection and to evaluate the factors associated with chyle leakage. METHODS: Of 3137 patients who underwent thyroid surgery between January 2006 and December 2007, 2314 patients (73.8%) satisfied our inclusion criteria. Patients were divided into those with (group I, n = 14) and without (group II, n = 2300) chyle leakage. RESULTS:
INTRODUCTION: This study aims to describe our experiences of parathyroid carcinoma. MATERIALS AND METHODS: The data of clinicopathological features, surgical treatment and outcomes of seven cases of parathyroid carcinoma among 171 patients who underwent surgery for primary hyperparathyroidism over a 16-year period were analyzed. RESULTS: The major symptoms at the diagnosis included a neck mass in three cases and multiple bone pain in five. Two patients were asymptomatic. No remarkable increases
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. Methods: From January 2008 to December 2020, data from patients diagnosed with PTL treated at the
OBJECTIVE: Nonrecurrent laryngeal nerve (NRLN) is a risk factor for nerve injury during thyroid or parathyroid surgery and is usually associated with vascular anomalies. This study investigated the usefulness of computed tomography (CT) scans for preoperative identification of NRLN in thyroid cancer patients. STUDY DESIGN: Case series with chart review. SETTING: Academic university hospital. SUBJECTS AND METHODS: Of the 6546 patients, 20 (0.3%) were intraoperatively identified with NRLN, and the
Introduction: Medullary thyroid carcinoma (MTC) is a rare cancer that accounts for 5% of thyroid cancers. Serum calcitonin is a good biomarker for MTC, which is used for diagnosis, prognosis, and monitoring of recurrence. Calcitonin-negative MTC (CNMTC) is rare but confounds diagnostic and prognostic directions. This study introduces 19 cases of CNMTC in a single center. Method: From 2002 March to 2020 July, more than 76,500 patients had undergone thyroid surgery due to thyroid cancer at the Sev
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