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Perioperative immunotherapy in stage IB-III non-small cell lung cancer: a critical review of its rationale and considerations
Jae Kyeom Sim, Juwhan Choi, Sung Yong Lee
Korean J Intern Med. 2023;38(6):787-796. Published online November 1, 2023
Lung cancer is a dismal disease as a leading cause of overall cancer death, but the development of immune checkpoint inhibitors (ICIs) in driver gene mutation negative metastatic non-small cell lung cancer (NSCLC) is changing the paradigm of lung cancer treatment. Recently, ICIs are expanding their ..
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Endocrinology-metabolism
Cumulative exposure to metabolic syndrome increases thyroid cancer risk in young adults: a population-based cohort study
Jinyoung Kim, Kyungdo Han, Mee Kyoung Kim, Ki-Hyun Baek, Ki-Ho Song, Hyuk-Sang Kwon
Korean J Intern Med. 2023;38(4):526-533. Published online May 18, 2023
Background/Aims: A re-increasing trend of thyroid cancer since 2015 has been observed despite a similar examination rate, and the incidence of thyroid cancer among young adults continues to rise.
Methods: This study used data from the Korean National Health Insurance Service. Individuals 20–39 year..
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Gastroenterology
Factors associated with the risk of colorectal neoplasia in young adults under age 40
Ilsoo Kim, Han Hee Lee, Young Jae Ko, Ho Eun Chang, Dae Young Cheung, Bo-In Lee, Young-Seok Cho, Jin Il Kim, Myung-Gyu Choi
Korean J Intern Med. 2022;37(5):969-978. Published online July 25, 2022
Background/Aims: Recent epidemiologic studies have shown a continued increase in colorectal cancer incidence among younger adults. Little is known about the factors that contribute to the development of young-onset colorectal neoplasia (CRN).
Methods: A cross-sectional analysis was performed for ind..
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Hemato-oncology
Physical activity of Korean cancer survivors is associated with age and sex
Jae Hyeon Park, Jung Soo Lee, Yoon Ho Ko, Yeo Hyung Kim
Korean J Intern Med. 2021;36(Suppl 1):S225-S234. Published online May 7, 2020
Background/Aims: This study aimed to assess adherence to physical activity guidelines in cancer survivors and to investigate related factors.
Methods: The cross-sectional data of 39,845 community-dwelling participants aged ≥ 20 years (1,254 cancer survivors) in the Korea National Health and Nutri..
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Induction chemotherapy followed by concurrent chemoradiotherapy versus CCRT for locally
advanced hypopharynx and base of tongue cancer
Sung Hee Lim, Jong-Mu Sun, Joohyun Hong, Dongryul Oh, Yong Chan Ahn, Man Ki Chung, Han-Sin Jeong, Young-Ik Son, Myung-Ju Ahn, Chung-Hwan Baek, Keunchil Park
Korean J Intern Med. 2021;36(Suppl 1):S217-S224. Published online April 3, 2020
Background/Aims: Clinical trials have not consistently supported the use of induction chemotherapy (IC) for locally advanced head and neck squamous cell cancer. Hypopharynx and base of tongue (BOT) cancer has shown relatively poor survival. We investigated the role of IC in improving outcome over c..
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Gastroenterology
Clinical analysis of 117 cases with synchronous multiple primary esophageal squamous cell carcinomas
Zhiqin Chen, Sihan Li, Zheng He, Guang Li
Korean J Intern Med. 2021;36(6):1356-1364. Published online April 29, 2020
Background/Aims: We aimed to study the clinical characteristics, treatment modality, and the prognosis of synchronous multiple primary esophageal squamous cell carcinomas (SMPESCC).
Methods: A total of 117 SMPESCC cases were evaluated retrospectively from 2010 to 2015.
Results: The most common loc..
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Risk stratification of patients with gastric lesions indefinite for dysplasia
Young Sin Cho, Il-Kwun Chung, Yunho Jung, Su Jung Han, Jae Kook Yang, Tae Hoon Lee, Sang-Heum Park, Sun-Joo Kim
Korean J Intern Med. 2021;36(5):1074-1082. Published online September 9, 2020
Background/Aims: There are no definite guidelines for the management of gastric lesions diagnosed as indefinite for dysplasia (IND) by endoscopic forceps biopsy (EFB). Therefore, this study aimed to evaluate the clinical outcomes of gastric IND and predictive factors for gastric neoplasm.
Methods: ..
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Hemato-oncology
Clinical characteristics and survival of colorectal cancer patients in Korea stratified by age
Sun Kyung Baek, Ji Sung Lee, In Gyu Hwang, Jong Gwang Kim, Tae Won Kim, Seung Kook Sohn, Mi Yeon Kang, Sang-Cheol Lee
Korean J Intern Med. 2021;36(4):985-991. Published online April 6, 2021
Background/Aims: This nationwide study was undertaken to determine differences in clinicopathologic characteristics and survival of patients with colorectal cancer (CRC) according to age using big data from the Korean National Health Insurance Service (NHIS).
Methods: The NHIS data including qualit..
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Temporal evolution of programmed death-ligand 1 expression in patients with non-small cell lung cancer
Chang Hyun Nam, Jaemoon Koh, Chan-Young Ock, Miso Kim, Bhumsuk Keam, Tae Min Kim, Yoon Kyung Jeon, Dong-Wan Kim, Doo Hyun Chung, Dae Seog Heo
Korean J Intern Med. 2021;36(4):975-984. Published online April 6, 2021
Background/Aims: Programmed death-ligand 1 (PD-L1) expression, a validated predictive biomarker for anti-PD-1/PD-L1 inhibitors, is reported to change over time. This poses challenges during clinical application in non-small cell lung cancer.
Methods: This study included patients with non-small cell..
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Gastroenterology
Clinical risk factors and pattern of initial fungal contamination in endoscopic biopsy-derived gastrointestinal cancer organoid culture
Su Youn Nam, Seung Jin Lee, Hee Jung Lim, Ji Young Park, Seong Woo Jeon
Korean J Intern Med. 2021;36(4):878-887. Published online April 8, 2021
Background/Aims: Because gastrointestinal tract is not sterile, primary culture has contamination risk despite of massive washing with antimicrobial media. Microbial contamination can play a key role in initial failure during biopsy-derived primary tumor culture.
Methods: Tumor tissue was acquired ..
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Hemato-oncology
Association between absolute lymphocyte count and overall mortality in patients with surgically resected gastric cancer
Se Jun Park, Jinsoo Lee, Hyunho Kim, Kabsoo Shin, MyungAh Lee, Jae Myung Park, Myung-Gyu Choi, Cho Hyun Park, Kyo Young Song, Han Hong Lee, In-Ho Kim
Korean J Intern Med. 2021;36(3):679-688. Published online February 19, 2021
Background/Aims: Lymphocytes are an important component of the cell-mediated immune system. As lymphopenia is reportedly associated with poor prognoses in patients with various cancers, we investigated this notion in patients who underwent curative gastrectomy.
Methods: We retrospectively analyzed ..
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Gastroenterology
Food intake and its effect on the species and abundance of intestinal flora in colorectal cancer and healthy individuals
Weitao Shen, Jiayu Sun, Zhiyang Li, Fen Yao, Kaihuang Lin, Xiaoyang Jiao
Korean J Intern Med. 2021;36(3):568-583. Published online November 10, 2020
Background/Aim: It is known that an imbalance in the intestinal f lora plays a crucial role in colorectal cancer (CRC), but the effect of food consumption patterns on the types of intestinal flora remains to be clarified. We aimed to analyze the associations between food intake and intestinal flora ..
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Sex difference in bowel preparation quality and colonoscopy time
Young-Jae Hwang, Dong Woo Shin, Nayoung Kim, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Dong Ho Lee
Korean J Intern Med. 2021;36(2):322-331. Published online June 22, 2020
Background/Aims: The length of colon is known to be longer in females than in males. In addition, the morphology of colon cancer is different between males and females. The aim of this study was to investigate sex differences in Boston bowel preparation score (BBPS) and colonoscopy insertion time.
..
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Hemato-oncology
Impact of subsequent chemotherapy on the survival of elderly patients with extensive stage small cell lung cancer
Eun Joo Kang, Yoon Ji Choi, Se Ryeon Lee, Hwa Jung Sung, Jung Sun Kim
Korean J Intern Med. 2020;35(6):1468-1476. Published online April 29, 2020
Background/Aims: The prognosis of small cell lung cancer (SCLC) is still poor because of rapid recurrence, despite good response to initial chemotherapy. Additionally, patients’ old ages and comorbidities are often obstacles that make it difficult to apply subsequent treatment after initial treatm..
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Endocrinology-metabolism
The clinical meaning of pre- and post-ablation thyroglobulin levels at first radioiodine therapy in patients with papillary thyroid cancer
Hee Kyung Kim, Jee Hee Yoon, Jin Seong Cho, Seong Young Kwon, Su Woong Yoo, Ho-Cheol Kang
Korean J Intern Med. 2020;35(5):1164-1172. Published online July 29, 2019
Background/Aims: This study was conducted to identify prognostic factors in patients with papillary thyroid cancer (PTC) at the time of first radioactive iodine (RAI) therapy, and to evaluate the clinical value of the thyroglobulin (Tg) increase after RAI.
Methods: Serum Tg was sampled prior to (pr..
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Cardiology
Hydrochlorothiazide use and the risk of skin cancer in patients with hypertensive disorder: a nationwide retrospective cohort study from Korea
Eunjung Park, Young Lee, Mihn-Sook Jue
Korean J Intern Med. 2020;35(4):917-928. Published online December 18, 2019
Background/Aims: Recent studies have shown a cumulative dose-dependent association between the use of hydrochlorothiazide (HCTZ) and skin cancer, including melanoma and non-melanoma skin cancer (NMSC) in Western Europe. However, whether this pattern is present in East Asia countries is unknown. The ..
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Hemato-oncology
Metabolic comorbidities and medical institution utilization among breast cancer survivors: a national population-based study
Jaesung Heo, Mison Chun, Young-Taek Oh, O Kyu Noh, Logyoung Kim
Korean J Intern Med. 2020;35(2):421-428. Published online September 5, 2019
Background/Aims: We investigated metabolic comorbidity status and patterns of medical institution utilization among breast cancer survivors using medical claims data from the Health Insurance Review and Assessment Service (HIRA).
Methods: Using claims data obtained from the HIRA, we selected breast..
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Evaluating the recent developments in palliative chemotherapy for metastatic colorectal cancer
Sun Kyung Baek, Kyu Taek Lee, Sang Byung Bae, Sang-Cheol Lee
Korean J Intern Med. 2019;34(6):1188-1196. Published online July 29, 2019
The incidence of colorectal cancer (CRC) has increased. CRC is the third most common cancer and the fourth most common cause of cancer-related deaths in Korea. Palliative chemotherapy can be used to shrink tumors and ease symptoms caused by the cancer when cure is not possible. It is important to id..
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Endocrinology-metabolism
Utility of shear wave elastography to detect papillary thyroid carcinoma in thyroid nodules: efficacy of the standard deviation elasticity
Hye Jeong Kim, Mi Kyung Kwak, In Ho Choi, So-Young Jin, Hyeong Kyu Park, Dong Won Byun, Kyoil Suh, Myung Hi Yoo
Korean J Intern Med. 2019;34(4):850-857. Published online February 23, 2018
Background/Aims: The aim of this study was to address the role of the elasticity index as a possible predictive marker for detecting papillary thyroid carcinoma (PTC) and quantitatively assess shear wave elastography (SWE) as a tool for differentiating PTC from benign thyroid nodules.
Methods: One ..
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Gastroenterology
Current status of endoscopic submucosal dissection for early gastric cancer in Korea: role and benefits
Sang Gyun Kim, Da Hyun Lyu, Chan Mi Park, Na Rae Lee, Jiyoung Kim, Youngju Cha, Hwoon-Yong Jung
Korean J Intern Med. 2019;34(4):785-793. Published online June 21, 2018
Background/Aims: This study was aimed to investigate the current clinical status of endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) in Korea based on a National Health Insurance (NHI) database between 2011 and 2014.
Methods: The claims data of ESD for EGC in Korean NHI were re..
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