1.Donor-to-recipient sex match status has no prognostic effect on long-term survival following liver transplantation:a retrospective observational study
Woo-Hyoung KANG ; I-Ji JEONG ; Shin HWANG ; Chul-Soo AHN ; Deok-Bog MOON ; Tae-Yong HA ; Gi-Won SONG ; Dong-Hwan JUNG ; Gil-Chun PARK ; Young-In YOON ; Sung-Gyu LEE
Clinical Transplantation and Research 2026;40(1):76-86
Background:
Studies on whether donor-to-recipient sex match status affects long-term survival after liver transplantation (LT) have yielded contradictory results. This study evaluated whether donor-to-recipient sex match status influenced long-term survival after living donor liver transplantation (LDLT) or deceased donor liver transplantation (DDLT) at a high-volume center.
Methods:
The study included 6,664 patients who underwent primary LT between January 2000 and December 2022 at our institution. Patients were divided into four groups according to donor-to-recipient sex match status: male-to-male (n=3,427 [51.4%]), male-to-female (n=1,152 [17.3%]), female-to-male (n=1,385 [20.8%]), and female-to-female (n=700 [10.5%]).
Results:
Regarding clinical characteristics, the four groups differed significantly regarding background liver disease (P<0.001), model for end-stage liver disease score (P<0.001), serum protein induced by vitamin K absence or antagonist II level (P=0.003), presence of concurrent hepatocellular carcinoma (HCC; P<0.001), and type of LT (P=0.003). Overall survival (OS) of all LT recipients did not differ significantly among the groups (P=0.377). Donor-to-recipient sex match status did not affect long-term OS in either LDLT (P=0.176) or DDLT (P=0.220) groups. In addition, sex match status did not significantly influence posttransplant OS among patients who underwent LDLT without HCC (P=0.464), LDLT with HCC (P=0.236), DDLT without HCC (P=0.338), or DDLT with HCC (P=0.818).
Conclusions
Donor-to-recipient sex match status does not significantly affect posttransplant patient survival or HCC prognosis after LDLT or DDLT.
2.A Real-World Efficacy and Safety of KEYNOTE-522 Regimen in Patients With Early Triple-Negative Breast Cancer
Shinyoung LEE ; Hyehyun JEONG ; Yeokyeong SHIN ; Jae Ho JEONG ; Kyung Hae JUNG ; Sung-Bae KIM ; Byung-Kwan JEONG ; Hee Jin LEE ; Gyungyub GONG ; Hee Jung SHIN ; Hye Joung EOM ; Young-Jin LEE ; Tae-Kyung YOO ; Sae Byul LEE ; Jisun KIM ; Il-Yong CHUNG ; Beom-Seok KO ; Hee Jeong KIM ; Jong Won LEE ; Byung Ho SON ; Jin-Hee AHN
Journal of Breast Cancer 2026;29(2):141-153
Purpose:
Based on the KEYNOTE-522 study, neoadjuvant pembrolizumab plus chemotherapy has become the standard treatment for early-stage triple-negative breast cancer (TNBC).This study evaluated the real-world efficacy, safety, and predictors of pathologic complete response (pCR) in Korean patients.
Methods:
We conducted a retrospective cohort study of 174 patients with early-stage TNBC who received the KEYNOTE-522 regimen (neoadjuvant pembrolizumab plus paclitaxel and carboplatin, followed by doxorubicin and cyclophosphamide) at a tertiary cancer center between August 2022 and July 2024. We assessed the primary endpoints, including pCR rate and event-free survival (EFS). We performed univariable and multivariable logistic regression analyses to identify independent predictors of pCR.
Results:
The median patient age was 50 years (range, 24–74 years). The clinical stages were II and III in 79.3% and 20.1% of patients, respectively, and 10.9% had clinical N3 disease. The overall pCR rate was 62.1%, and the N3 subgroup had a pCR rate of 47.4%. On multivariable analysis, high baseline Ki-67 expression (≥ median, 75%) was significantly associated with pCR (odds ratio, 2.84; 95% confidence interval, 1.45 to 5.66; p = 0.002). At a median followup of 18.4 months, the 12-month EFS rate was 97.4%, with significantly superior outcomes observed in patients who achieved pCR compared with those who did not achieve pCR (100% vs. 93.1%, p = 0.007). The treatment completion rate was 92.0%, and immune-related adverse events occurred in 13.8% of patients.
Conclusion
In this real-world analysis of one of the largest Asian cohorts of patients with earlystage TNBC treated with neoadjuvant pembrolizumab, the KEYNOTE-522 regimen demonstrated substantial efficacy and manageable toxicity, consistent with the original trial findings.
3.State-of-the-Art Strategies for Preventing and Managing Vascular Access Complications in Cardiovascular Interventions
Su Yong KIM ; Ho Sung JEON ; Jun-Won LEE ; Young Jin YOUN ; Sung Gyun AHN ; Jung-Hee LEE
Journal of Cardiovascular Intervention 2026;5(1):11-22
Optimal vascular access and effective closure are fundamental for ensuring the safety and success of percutaneous cardiovascular interventions. As procedural complexity has increased, various access and closure devices have been developed to enhance efficacy and minimize complications. Radial artery access is favored for coronary interventions because it is associated with a lower risk of bleeding and fewer access site complications. However, femoral access remains indispensable for large-bore procedures. Large-bore sheaths are required for endovascular treatments of peripheral artery disease and structural heart interventions. Ultrasound-guided arterial and venous access has become essential for minimizing complications, especially with femoral access. Despite significant advances in closure techniques, complications such as retroperitoneal hemorrhage, pseudoaneurysm, and arteriovenous fistula remain challenging and can adversely affect patient outcomes. This review presents state-of-the-art strategies for the prevention and management of vascular access complications in cardiovascular intervention.
4.Erratum: A Multicenter Retrospective Study on the Efficacy and Safety of Dupilumab in Elderly Korean Patients Aged 65 Years and Older with Chronic Pruritus
Yu Jin LEE ; Byeol HAN ; Chan Ho NA ; Jun Ho KWAK ; Min Kyung SHIN ; Jua LEE ; Ji Young AHN ; Hoeun GWAG ; Yong Hyun JANG ; Seung Soo LEE ; Tae Young HAN
Korean Journal of Dermatology 2026;64(1):46-46
5.Prognostic Impact of Radiologic and Pathologic Features on the Development of Progressive Pulmonary Fibrosis in Patients With Interstitial Lung Disease Other Than Idiopathic Pulmonary Fibrosis
Hyeong Ryun CHO ; Myoung Ja CHUNG ; Hyemi CHOI ; Jinheum KIM ; Ae Ri AN ; Su Yeon AHN ; Jin Young YOO ; Gong Yong JIN ; David A LYNCH ; Kum Ju CHAE
Korean Journal of Radiology 2026;27(1):63-75
Objective:
To evaluate the prognostic impact of radiologic and pathologic features in patients with interstitial lung disease (ILD) other than idiopathic pulmonary fibrosis (IPF), and to identify the factors associated with the development of progressive pulmonary fibrosis (PPF) and survival.
Materials and Methods:
This study retrospectively enrolled 75 patients diagnosed with ILD other than IPF who underwent surgical lung biopsy between January 2004 and December 2020. Three chest radiologists independently reviewed the CT features and extent of fibrosis on preoperative and follow-up CT scans. Two pathologists reviewed the histopathological features, including the presence of interstitial pneumonia. The time to PPF and overall survival were estimated using the Kaplan-Meier method. The associations of CT and pathological features with PPF and all-cause mortality were examined using standard Cox regression and time-dependent Cox models, respectively.
Results:
A total of 75 non-IPF ILD patients (mean age ± standard deviations 56.4 ± 13.2 years; range, 40–88 years) were enrolled. The median follow-up duration was 75.3 months (range, 7.8–189.8 months). Traction bronchiectasis on CT (adjusted hazard ratio [HR], 6.40; P = 0.003) and body mass index (adjusted HR per 1-kg/m2 increase, 0.82; P = 0.002) were found to be significantly associated with PPF in multivariable analysis. Radiological progression (adjusted HR, 18.44;P < 0.001), symptomatic progression (adjusted HR, 4.19; P = 0.011), and age (adjusted HR for 1-year increase, 1.12; P < 0.001) were significantly associated with death.
Conclusion
Traction bronchiectasis on CT was a significant predictor of PPF, while radiologic and symptomatic progression and older age were associated with poorer survival in patients with ILD other than IPF. These findings indicate that careful radiological evaluation and symptom monitoring may help to predict disease progression and outcomes in patients with nonIPF ILD.
6.Awareness, Compliance, and Self-Discontinuation of Medication in Psychosis Outpatients in University Hospital Setting
Young Hoon KIM ; Jae Hoon JEONG ; Nuree KANG ; Junggeun AHN ; Jangmi BAEK ; Jiu KIM ; Hyunju LEE ; Yong-Min AHN ; Se Hyun KIM
Korean Journal of Schizophrenia Research 2026;29(1):25-33
Objectives:
This study investigated medication perceptions, adherence patterns, self-discontinuation experiences, and information sources among psychiatric outpatients to provide evidence for improving adherence strategies.
Methods:
A cross-sectional survey was conducted with 79 outpatients from a University Hospital, Department of Psychiatry. Self-administered questionnaires assessed diagnostic awareness, medication perceptions, adherence behaviors, discontinuation experiences, side effects, and information sources.
Results:
Overall, 89.7% knew their psychiatric diagnosis and 88.2% perceived medication as effective. While 73.1% rarely forgot medication, 35.9% had previously self-discontinued treatment. Medication adherence was significantly associated with previous discontinuation experience (p=0.006), whereas diagnostic awareness and efficacy perception were not. Primary discontinuation reasons were symptom improvement (53.6%) and physical discomfort (35.7%). Common side effects included weight gain (n=31), daytime drowsiness (n=26), memory impairment (n=24), and concentration problems (n=22). Patients primarily obtained side effect information from TV/internet (27.8%) rather than healthcare providers (20.3%). Most patients desired additional information about side effects (57.0%) and medication effects (54.4%).
Conclusion
Daily medication-taking behaviors were more predictive of treatment discontinuation than cognitive factors in this outpatient sample. Discontinuation due to symptom improvement and reliance on non-medical information sources highlights the need for enhanced patient education regarding relapse risks and systematic provision of accurate medication information.
7.AFP-PIVKA-II score as a simplified quantifiable surrogate biomarker for hepatocellular carcinoma recurrence following living donor liver transplantation
Dae Hyeon WON ; Shin HWANG ; Chul-Soo AHN ; Deok-Bog MOON ; Tae-Yong HA ; Gi-Won SONG ; Dong-Hwan JUNG ; Gil-Chun PARK ; Woo-Hyoung KANG ; Young-In YOON ; Sung-Gyu LEE
Annals of Liver Transplantation 2026;6(1):25-32
Background:
We developed a simplified variant of the ADV score, the AFP-PIVKAII (AP) score for post-transplant hepatocellular carcinoma (HCC) prognosis, which considers only AFP and PIVKA-II levels excluding morphometric tumor size information from the ADV score. This study investigated the prognostic performance of the AP score in predicting HCC recurrence and overall survival (OS) after living donor liver transplantation (LDLT).
Methods:
We analyzed 843 patients with HCC who underwent LDLT between 2006 and 2015, assessing HCC recurrence and OS in relation to AP score.
Results:
The median pretransplant AFP and PIVKA-II levels were 12.8 ng/mL and 27 mAU/mL, respectively. The median and mean AP scores were 2.6 log (range: 0.6–9.2 log) and 2.9±1.1 log, respectively. The 5-year time-dependent area under the receiver operating characteristic curve for the AP score in predicting post-transplant HCC recurrence was 0.672 (p<0.001). HCC recurrence and OS curves along AP score intervals of 1.0 log showed statistical differences in accordance with the AP scores (both p<0.001). Using a Youden index J-derived AP score cutoff of 4.0 log, two-tiered groups (ADV <4.0 log vs. ADV ≥4.0 log) showed statistically significant differences in HCC recurrence and OS (both p<0.001). Harrell’s c-indices for AP score with cutoff of 4.0 log and ADV scores with cutoff of 5.0 log regarding HCC recurrence and OS were similar.
Conclusion
The AP score functions as an integrated surrogate marker for predicting post-transplant outcomes in patients with HCC undergoing LDLT. It may serve as a simplified alternative to the ADV score, particularly in patients with small HCCs.
8.Prognostic value of carcinoembryonic antigen kinetics in predicting distant metastatic recurrence of breast cancer:a multicenter cohort study
Bong Kyun KIM ; Dooreh KIM ; Jong Min BAEK ; Yong Hwa EOM ; Young-Joon KANG ; Jiyoung RHU ; Juneyoung AHN ; Ye Won JEON ; Woo Young SUN
Annals of Surgical Treatment and Research 2026;110(5):299-310
Purpose:
Distant metastasis of breast cancer significantly affects the prognosis. Serum markers such as CEA and cancer antigen (CA) 15-3 are used for surveillance. However, the nonspecificity and nonmalignant elevation of CEA limit its absolute value in predicting metastatic recurrence. We reevaluated the clinical value of CEA kinetics in predicting metastatic recurrence in breast cancer.
Methods:
In this multicenter retrospective cohort study, we utilized electronic medical record data from eight institutions (2008–2023), including 4,872 surgically treated patients with invasive breast cancer. Novel CEA kinetic indices were defined.Predictive capabilities were assessed using logistic regression, Kaplan-Meier survival curves, and Cox proportional hazards models.
Results:
CEA velocity (vCEA) and last-interval vCEA (vCEA-L) showed higher accuracy and sensitivity in predicting distant metastasis than absolute CEA indices. All tumor marker indices were independent predictors; vCEA, vCEA-L, and maximum vCEA (vCEAmax) showed the highest association. In the 5-year distant disease-free survival analysis of patients, vCEA showed the most significant difference based on whether its cutoff value was exceeded (84.1% vs. 47.2%) (P < 0.001).Cox analysis showed that vCEA was the strongest predictor (hazard ratio, 4.509; P < 0.001). vCEAmax remained prognostic even when CEAmax was below its cutoff value.
Conclusion
Analysis of dynamic CEA changes, particularly velocity-based indices, offers superior predictive power than the static-based CEA indices for metastatic recurrence in breast cancer. These kinetic markers enhance prognostic accuracy when combined with CA 15-3. Future research should integrate these markers with imaging, liquid biopsy, and artificial intelligence for personalized follow-up.
9.Necrotizing fasciitis of the face triggered by a neglected hordeolum: a case report and literature review
Soo Hyun WOO ; Su Yong KIM ; Il Young AHN ; Tae Hui BAE ; Shin Hyuk KANG ; Woo Ju KIM ; Han Koo KIM
Archives of Craniofacial Surgery 2026;27(1):34-39
Necrotizing fasciitis (NF) is a rapidly progressive, life-threatening soft tissue infection that rarely involves the periorbital region. We report an unusual case of periorbital NF caused by methicillin-sensitive Staphylococcus aureus (MSSA) in a previously healthy 48-year-old woman, originating from a neglected, recurrent hordeolum—an otherwise benign eyelid condition. The infection resulted in an extensive fullthickness defect of the upper eyelid and adjacent temporal area, presenting major reconstructive challenges. Reconstruction was performed using a radial forearm free flap combined with a buccal mucosal graft to restore both anterior and posterior lamellae, achieving functional eyelid protection and improved visual acuity. This case highlights the potential for seemingly minor, recurrent eyelid infections to progress rapidly to devastating NF even in the absence of systemic symptoms or risk factors. Early recognition and multidisciplinary management were critical to preventing further morbidity. To our knowledge, MSSA has not previously been reported as a causative agent of periorbital NF, underscoring the need for clinical vigilance and timely intervention in common eyelid conditions to avoid catastrophic complications.
10.Ten-Year Follow-up Clinical Outcomes and the Role of Adjuvant Chemotherapy in HER2-Positive Patients with Microinvasive Breast Cancer
Yeokyeong SHIN ; Soo-Young LEE ; Hyehyun JEONG ; Jin-Hee AHN ; Kyung Hae JUNG ; Sung-Bae KIM ; Hee Jeong KIM ; Jong Won LEE ; Byung Ho SON ; BeomSeok KO ; Ji Sun KIM ; Il Yong CHUNG ; Hee Jin LEE ; Gyungyub GONG ; Sae Byul LEE ; Jae Ho JEONG
Cancer Research and Treatment 2026;58(1):151-158
Purpose:
Although human epidermal growth factor receptor 2 (HER2) positivity is prevalent in microinvasive breast cancer (MIBC), data focused on HER2-positive MIBC are limited. We investigated the clinical course and long-term outcomes of HER2-positive MIBC and evaluated the role of adjuvant chemotherapy.
Materials and Methods:
The study included patients with curatively resected pT1mi pN0 HER2-positive breast cancer between January 2000 and January 2020. Treatments and survival outcomes, including invasive breast cancer-free survival (IBCFS), distant recurrence-free survival (DRFS), and overall survival (OS) were analyzed.
Results:
The analysis included 799 female patients. The median age was 51 years (range, 23 to 79 years), and 51.6% (n=412) were premenopausal. Multifocality was confirmed in 17.3% (n=138), and estrogen receptor (ER) positivity in 29.8% (n=238). Adjuvant chemotherapy was administered to 17.5% (n=140), with doxifluridine in 96.4% of cases. One patient (0.1%) received trastuzumab. With a median follow-up of 119.0 months (95% confidence interval [CI], 114.0 to 127.0), the 8-year IBCFS, DRFS, and OS were 91.2% (95% CI, 89.1 to 93.3), 97.5% (95% CI, 96.4 to 98.7), and 98.8% (95% CI, 98.0 to 99.6), respectively. No significant differences were observed between patients with and without adjuvant chemotherapy. The lack of differences in IBCFS by chemotherapy was consistent across subgroups, including pre-/postmenopausal patients, grade 1-2/3 tumors, and ER-negative disease.
Conclusion
A clinically meaningful proportion of HER2-positive MIBC patients experience IBCFS events with long-term follow-up. Adjuvant chemotherapy did not improve survival, potentially due to the use of an outdated, ineffective regimen. The role of modern adjuvant regimens, particularly those incorporating HER2-targeted therapy, warrants further exploration.

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