1.Ectopic Mediastinal Thyroid Successfully Removed by Surgical Excision via Transcervical Approach
Seung Yup SON ; Se Hyeon JIN ; Jong Hwan LEE ; Su Il KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 2025;68(4):168-171
Ectopic thyroid is thyroid tissue found in places other than the anterolateral aspect of the second to fourth tracheal ring. Mediastinal ectopic thyroid is rare and only few cases have been reported. The authors experienced a case of 41-year-old female patient with an anterior neck mass. The patient had mild chest discomfort when breathing with no other symptoms. Imaging studies suggested tumor of thymic tissue origin and surgical excision was done. The mass was successfully removed and histopathologically determined to be thyroid tissue. We hereby report with a review of literature a case of ectopic thyroid found in the mediastinum, which was successfully removed by transcervical incision.
2.Ectopic Mediastinal Thyroid Successfully Removed by Surgical Excision via Transcervical Approach
Seung Yup SON ; Se Hyeon JIN ; Jong Hwan LEE ; Su Il KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 2025;68(4):168-171
Ectopic thyroid is thyroid tissue found in places other than the anterolateral aspect of the second to fourth tracheal ring. Mediastinal ectopic thyroid is rare and only few cases have been reported. The authors experienced a case of 41-year-old female patient with an anterior neck mass. The patient had mild chest discomfort when breathing with no other symptoms. Imaging studies suggested tumor of thymic tissue origin and surgical excision was done. The mass was successfully removed and histopathologically determined to be thyroid tissue. We hereby report with a review of literature a case of ectopic thyroid found in the mediastinum, which was successfully removed by transcervical incision.
3.Ectopic Mediastinal Thyroid Successfully Removed by Surgical Excision via Transcervical Approach
Seung Yup SON ; Se Hyeon JIN ; Jong Hwan LEE ; Su Il KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 2025;68(4):168-171
Ectopic thyroid is thyroid tissue found in places other than the anterolateral aspect of the second to fourth tracheal ring. Mediastinal ectopic thyroid is rare and only few cases have been reported. The authors experienced a case of 41-year-old female patient with an anterior neck mass. The patient had mild chest discomfort when breathing with no other symptoms. Imaging studies suggested tumor of thymic tissue origin and surgical excision was done. The mass was successfully removed and histopathologically determined to be thyroid tissue. We hereby report with a review of literature a case of ectopic thyroid found in the mediastinum, which was successfully removed by transcervical incision.
4.Ectopic Mediastinal Thyroid Successfully Removed by Surgical Excision via Transcervical Approach
Seung Yup SON ; Se Hyeon JIN ; Jong Hwan LEE ; Su Il KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 2025;68(4):168-171
Ectopic thyroid is thyroid tissue found in places other than the anterolateral aspect of the second to fourth tracheal ring. Mediastinal ectopic thyroid is rare and only few cases have been reported. The authors experienced a case of 41-year-old female patient with an anterior neck mass. The patient had mild chest discomfort when breathing with no other symptoms. Imaging studies suggested tumor of thymic tissue origin and surgical excision was done. The mass was successfully removed and histopathologically determined to be thyroid tissue. We hereby report with a review of literature a case of ectopic thyroid found in the mediastinum, which was successfully removed by transcervical incision.
5.Ectopic Mediastinal Thyroid Successfully Removed by Surgical Excision via Transcervical Approach
Seung Yup SON ; Se Hyeon JIN ; Jong Hwan LEE ; Su Il KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 2025;68(4):168-171
Ectopic thyroid is thyroid tissue found in places other than the anterolateral aspect of the second to fourth tracheal ring. Mediastinal ectopic thyroid is rare and only few cases have been reported. The authors experienced a case of 41-year-old female patient with an anterior neck mass. The patient had mild chest discomfort when breathing with no other symptoms. Imaging studies suggested tumor of thymic tissue origin and surgical excision was done. The mass was successfully removed and histopathologically determined to be thyroid tissue. We hereby report with a review of literature a case of ectopic thyroid found in the mediastinum, which was successfully removed by transcervical incision.
6.Efficacy and Safety of Lurasidone vs. Quetiapine XR in Acutely Psychotic Patients With Schizophrenia in Korea: A Randomized, Double-Blind, Active-Controlled Trial
Se Hyun KIM ; Do-Un JUNG ; Do Hoon KIM ; Jung Sik LEE ; Kyoung-Uk LEE ; Seunghee WON ; Bong Ju LEE ; Sung-Gon KIM ; Sungwon ROH ; Jong-Ik PARK ; Minah KIM ; Sung Won JUNG ; Hong Seok OH ; Han-yong JUNG ; Sang Hoon KIM ; Hyun Seung CHEE ; Jong-Woo PAIK ; Kyu Young LEE ; Soo In KIM ; Seung-Hwan LEE ; Eun-Jin CHEON ; Hye-Geum KIM ; Heon-Jeong LEE ; In Won CHUNG ; Joonho CHOI ; Min-Hyuk KIM ; Seong-Jin CHO ; HyunChul YOUN ; Jhin-Goo CHANG ; Hoo Rim SONG ; Euitae KIM ; Won-Hyoung KIM ; Chul Eung KIM ; Doo-Heum PARK ; Byung-Ook LEE ; Jungsun LEE ; Seung-Yup LEE ; Nuree KANG ; Hee Yeon JUNG
Psychiatry Investigation 2024;21(7):762-771
Objective:
This study was performed to evaluate the efficacy and safety of lurasidone (160 mg/day) compared to quetiapine XR (QXR; 600 mg/day) in the treatment of acutely psychotic patients with schizophrenia.
Methods:
Patients were randomly assigned to 6 weeks of double-blind treatment with lurasidone 160 mg/day (n=105) or QXR 600 mg/day (n=105). Primary efficacy measure was the change from baseline to week 6 in Positive and Negative Syndrome Scale (PANSS) total score and Clinical Global Impressions severity (CGI-S) score. Adverse events, body measurements, and laboratory parameters were assessed.
Results:
Lurasidone demonstrated non-inferiority to QXR on the PANSS total score. Adjusted mean±standard error change at week 6 on the PANSS total score was -26.42±2.02 and -27.33±2.01 in the lurasidone and QXR group, respectively. The mean difference score was -0.91 (95% confidence interval -6.35–4.53). The lurasidone group showed a greater reduction in PANSS total and negative subscale on week 1 and a greater reduction in end-point CGI-S score compared to the QXR group. Body weight, body mass index, and waist circumference in the lurasidone group were reduced, with significantly lower mean change compared to QXR. Endpoint changes in glucose, cholesterol, triglycerides, and low-density lipoprotein levels were also significantly lower. The most common adverse drug reactions with lurasidone were akathisia and nausea.
Conclusion
Lurasidone 160 mg/day was found to be non-inferior to QXR 600 mg/day in the treatment of schizophrenia with comparable efficacy and tolerability. Adverse effects of lurasidone were generally tolerable, and beneficial effects on metabolic parameters can be expected.
7.A Prognostic Model to Facilitate Palliative Care Referral in Oncology Outpatients
Yu Jung KIM ; Yusuke HIRATSUKA ; Sang-Yeon SUH ; Beodeul KANG ; Si Won LEE ; Hong-Yup AHN ; Koung Jin SUH ; Ji-Won KIM ; Se Hyun KIM ; Jin Won KIM ; Keun-Wook LEE ; Jee Hyun KIM ; Jong Seok LEE
Cancer Research and Treatment 2022;54(2):621-629
Purpose:
We aimed to develop a prognostic model to assist palliative care referral at least 3 months before death in advanced cancer patients treated at an outpatient medical oncology clinic.
Materials and Methods:
In this prospective cohort study, a total of 200 patients were enrolled at a tertiary cancer center in South Korea. The major eligibility criterion was an expected survival of less than a year as estimated by their oncologists. We analyzed the influences of known prognostic factors along with chemotherapy status, mid-arm circumference, and triceps skinfold thickness on survival time.
Results:
The mean age of the patients was 64.5 years, 36% were female, and the median survival time was 7.6 months. In the multivariate analysis, we found 6 significant factors related to poor survival: a poor Eastern Cooperative Oncology Group (ECOG) performance status (≥2), not undergoing chemotherapy, anorexia, a low lymphocyte level (<12%), a high lactate dehydrogenase (LDH) level (≥300 IU/L), and a low mid-arm circumference (<23 cm). We developed a prognostic model (score, 0-8.0) to predict 3-month survival based on the multivariate analysis. Patients who scored ≥4.0 points had a short survival of less than 3 months (p<0.001). The discriminating ability of the prognostic model using the area under the receiver operating characteristic curve (AUC) was 0.88.
Conclusion
The prognostic model using ECOG performance status, chemotherapy status, anorexia, lymphocytes, LDH, and mid-arm circumference can predict 3-month survival in medical oncology outpatients. It can alert oncologists to refer patients to palliative care specialists before it is too late.
8.Dose-Effect Relationship of Unilateral Medial Rectus Resection for Recurrent Exotropia.
Young Kwon CHUNG ; Se Yup LEE ; Young Chun LEE
Journal of the Korean Ophthalmological Society 2015;56(3):420-426
PURPOSE: To investigate the dose-effect relationship of unilateral medial rectus resection for recurrent exotropia after bilateral lateral rectus recession. METHODS: This study comprised 39 patients who underwent unilateral medial rectus resection for recurrent exotropia under 25 PD and bilateral rectus recession for prior surgery of exotropia. The medial rectus was resected from 5.0 to 7.0 mm according to angle deviation at a distance. The postoperative deviated angle was checked at one week, 3 months and 6 months postoperatively to investigate the amount of corrected deviation per resected muscle. RESULTS: The average preoperative deviation was 21.33 +/- 2.96 PD. We resected mean 6.26 +/- 0.57 mm of the medial rectus muscle. The postoperative deviated angle was 0.82 +/- 3.47, 1.87 +/- 3.10 and 5.40 +/- 4.79 PD at 1 week, 3 months and 6 months after surgery, respectively. The corrected deviated angle per millimeter (mm) was 3.29 +/- 0.68, 3.17 +/- 0.58 and 2.75 +/- 0.89 PD at 1 week, 3 months and 6 months after surgery. There were no significant differences among the changes of postoperative deviation per millimeter according to the amount of medial rectus (MR) resection (p-value = 0.423, 0.382) The success rate was 89.75%, 92.31% and 87.18% at 1 week, 3 months and 6 months after surgery, respectively. The expected corrected angle according to the amount of resection remained constant and was 3.04-3.22 PD/mm at 3 months after surgery and 2.79-2.82 PD/mm at 6 months after surgery. CONCLUSIONS: The dose-effect per millimeter was decreased as time passed. There was no statistical difference among the corrected deviation angles per millimeter according to the amount of MR resection. We expect that the calculated dose-effect relationship may be a useful guideline for unilateral medial rectus resection for recurrent exotropia.
Exotropia*
;
Humans
9.Prevalence of Chronic Obstructive Pulmonary Disease in Korea: The Result of Forth Korean National Health and Nutrition Examination Survey.
Yong Il HWANG ; Kwang Ha YOO ; Seung Soo SHEEN ; Joo Hun PARK ; Sang Ha KIM ; Ho Il YOON ; Sung Chul LIM ; Shin Yup LEE ; Jae Yong PARK ; Seoung Ju PARK ; Ki Hyun SEO ; Ki Uk KIM ; Sang Yeub LEE ; In Won PARK ; Sang Do LEE ; Se Kyu KIM ; Young Kyoon KIM ; Sang Min LEE ; Sung Koo HAN ; Yuna KIM ; Yu Mi CHO ; Hye Jin PARK ; Kyung Won OH ; Young Sam KIM ; Yeon Mok OH
Tuberculosis and Respiratory Diseases 2011;71(5):328-334
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a major cause of chronic morbidity and mortality throughout the world and is the only major disease that is continuing to increase in both prevalence and mortality. The second Korean National Health and Nutrition Survey revealed that the prevalence of COPD in Korean subjects aged > or =45 years was 17.2% in 2001. Further surveys on the prevalence of COPD were not available until 2007. Here, we report the prevalence of spirometrically detected COPD in Korea, using data from the fourth Korean National Health and Nutrition Survey (KNHANES IV) which was conducted in 2007~2009. METHODS: Based on the Korean Statistical Office census that used nationwide stratified random sampling, 10,523 subjects aged > or =40 years underwent spirometry. Place of residence, levels of education, income, and smoking status, as well as other results from a COPD survey questionnaire were also assessed. RESULTS: The prevalence of COPD (defined as forced expiratory volume in 1 sec/forced vital capacity <0.7 in subjects aged > or =40 years) was 12.9% (men, 18.7%; women, 7.5%). In total, 96.5% of patients with COPD had mild-to-moderate disease; only 2.5% had been diagnosed by physicians, and only 1.7% had been treated. The independent risk factors for COPD were smoking, advanced age, and male gender. CONCLUSION: The prevalence of COPD was 12.9% in the KNHANES IV data. Most patients with COPD were undiagnosed and untreated. Based on these results, a strategy for early COPD intervention is warranted in high risk subjects.
Aged
;
Censuses
;
Female
;
Forced Expiratory Volume
;
Humans
;
Hypogonadism
;
Korea
;
Male
;
Mitochondrial Diseases
;
Nutrition Surveys
;
Ophthalmoplegia
;
Prevalence
;
Pulmonary Disease, Chronic Obstructive
;
Surveys and Questionnaires
;
Risk Factors
;
Smoke
;
Smoking
;
Spirometry
;
Vital Capacity
10.Prediction of Brobchodilator Response by Using FEF25~75% in Adult Patient with a Normal Spirometry Result.
Se Hwan PARK ; Seung Yup LEE ; Seung Mo KANG ; Choon Sik SEON ; Hyun Kyung KIM ; Byoung Hoon LEE ; Jae Hyung LEE ; Sang Hoon KIM
Tuberculosis and Respiratory Diseases 2011;71(3):188-194
BACKGROUND: When patients with chronic respiratory symptoms have a normal spirometry result, it is not always easy to consider bronchial asthma as the preferential diagnosis. Forced expiratory flow between 25% and 75% of vital capacity (FEF(25~75%)) is known as a useful diagnostic value of small airway diseases. However, it is not commonly used, because of its high individual variability. We evaluated the pattern of bronchodilator responsiveness (BDR) and the correlation between FEF25~75% and BDR in patients with suspicious asthma and normal spirometry. METHODS: Among patients with suspicious bronchial asthma, 440 adult patients with a normal spirometry result (forced expiratory volume in one second [FEV1]/forced vital capacity [FVC] > or =70% & FEV1% predicted > or =80%) were enrolled. We divided this group into a positive BDR group (n=43) and negative BDR group (n=397), based on the result of BDR. A comparison was carried out of spirometric parameters with % change of FEV1 after bronchodilator (DeltaFEV1%). RESULTS: Among the 440 patients with normal spirometry, FEF(25~75%)% predicted were negatively correlated with DeltaFEV1% (r=-0.22, p<0.01), and BDR was positive in 43 patients (9.78%). The means of FEF(25~75%)% predicted were 64.0+/-14.5% in the BDR (+) group and 72.9+/-20.8% in the BDR (-) group (p<0.01). The negative correlation between FEF(25~75%)% predicted and DeltaFEV1% was stronger in the BDR (+) group (r=-0.38, p=0.01) than in the BDR (-) group (r=-0.17, p<0.01). In the ROC curve analysis, FEF(25~75%) at 75% of predicted value had 88.3% sensitivity and 40.3% specificity for detecting a positive BDR. CONCLUSION: BDR (+) was not rare in patients with suspicious asthma and normal spirometry. In these patients, FEF(25~75%)% predicted was well correlated with BDR.
Adult
;
Asthma
;
Bronchodilator Agents
;
Humans
;
ROC Curve
;
Spirometry
;
Vital Capacity

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