1.A bacteriologic study upon infectious conditions of orthopaedic in-patients.
Suk Hyun LEE ; Hong Chel LIM ; Young Kyun KIM ; Sung Soo HONG
The Journal of the Korean Orthopaedic Association 1991;26(6):1909-1917
No abstract available.
2.Five Aneurysms Arising from the Ipsilateral Internal Carotid Artery : Case Report.
Hong Jeon JANG ; Kyu Yong CHO ; Jun Seob LIM ; Rae Seop LEE ; Young Chel OK ; Byung Chan LIM
Korean Journal of Cerebrovascular Surgery 2011;13(1):24-27
Although the incidence of intracranial multiple aneurysms are not low, the occurrence of multiple aneurysms more than three developing on the ipsilateral carotid artery is quite rare. We present a patient with five aneurysms on the left internal carotid artery. Four aneurysms arising from the left internal carotid artery underwent microsurgical clipping and wrapping, and remnant superior hypophyseal artery aneurysm was treated by using coil embolization. Incidence and risk factors for management of multiple aneurysms were investigated with the literature review.
Aneurysm
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Arteries
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Carotid Arteries
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Carotid Artery, Internal
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Humans
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Incidence
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Risk Factors
3.Prognostic Model for Survival and Recurrence in Patients with Early-Stage Cervical Cancer: A Korean Gynecologic Oncology Group Study (KGOG 1028)
E Sun PAIK ; Myong Cheol LIM ; Moon-Hong KIM ; Yun Hwan KIM ; Eun Seop SONG ; Seok Ju SEONG ; Dong Hoon SUH ; Jong-Min LEE ; Chulmin LEE ; Chel Hun CHOI
Cancer Research and Treatment 2020;52(1):320-333
Purpose:
We aimed to develop and validate individual prognostic models in a large cohort of cervical cancer patients that were primarily treated with radical hysterectomy.
Materials and Methods:
We analyzed 1,441 patients with early-stage cervical cancer treated between 2000 and 2008 from the Korean Gynecologic Oncology Group multi-institutional cohort: a train cohort (n=788) and a test cohort (n=653). Models predicting the risk for overall survival (OS), disease- free survival (DFS), lymphatic recurrence and hematogenous recurrence were developed using Cox analysis and stepwise backward selection and best-model options. The prognostic performance of each model was assessed in an independent patient cohort. Model-classified risk groups were compared to groups based on traditional risk factors.
Results:
Independent risk factors for OS, DFS, lymphatic recurrence, and hematogenous recurrence were identified for prediction model development. Different combinations of risk factors were shown for each outcome with best predictive value. In train cohort, area under the curve (AUC) at 2 and 5 years were 0.842/0.836 for recurrence, and 0.939/0.882 for OS. When applied to a test cohort, the model also showed accurate prediction result (AUC at 2 and 5 years were 0.799/0.723 for recurrence, and 0.844/0.806 for OS, respectively). The Kaplan-Meier plot by proposed model-classified risk groups showed more distinctive survival differences between each risk group.
Conclusion
We developed prognostic models for OS, DFS, lymphatic and hematogenous recurrence in patients with early-stage cervical cancer. Combining weighted clinicopathologic factors, the proposed model can give more individualized predictions in clinical practice.
4.Determination of ovarian transposition through prediction of postoperative adjuvant therapy in young patients with early stage cervical cancer undergoing surgery: a Korean multicenter retrospective study (KGOG 1042)
Woo Yeon HWANG ; Chel Hun CHOI ; Kidong KIM ; Moon-Hong KIM ; Myong Cheol LIM ; Banghyun LEE ; Myounghwan KIM ; Yun Hwan KIM ; Seok Ju SEONG ; Jong-Min LEE
Obstetrics & Gynecology Science 2024;67(3):296-303
Objective:
We aimed to predict the risk of postoperative adjuvant therapy using preoperative variables in young patients with early stage cervical cancer. The predicted risk can guide whether ovarian transposition should be performed during surgery.
Methods:
In total, 886 patients with stage IB1-IIA cervical cancer aged 20-45 years who underwent modified radical or radical hysterectomy between January 2000 and December 2008 were included. Preoperative variables, preoperative laboratory findings, International Federation of Gynaecology and Obstetrics stage, tumor size, and pathological variables were collected. Patients with high risk factors or those who met the Sedlis criteria were considered adjuvant therapy risk (+); others were considered adjuvant therapy risk (-). A decision-tree model using preoperative variables was constructed to predict the risk of adjuvant therapy.
Results:
Of 886 patients, 362 were adjuvant therapy risk (+) (40.9%). The decision-tree model with four distinct adjuvant therapy risks using tumor size and age were generated. Specifically, patients with tumor size ≤2.45 cm had low risk (49/367; 13.4%), those with tumor size ≤3.85 cm and >2.45 cm had moderate risk (136/314; 43.3%), those with tumor size >3.85 cm and age ≤39.5 years had high risk (92/109; 84.4%), and those with tumor size >3.85 cm and age >39.5 years had the highest risk (85/96; 88.5%).
Conclusion
The risk of postoperative adjuvant therapy in young patients with early stage cervical cancer can be predicted using preoperative variables. We can decide whether ovarian transposition should be performed using the predicted risk.