1.Neurilemmomas of the Cervicla Vagus Nerve: A Case Report.
Seung Myun LEE ; Young Geun CHOI ; Shin Su JUHN ; Chun Kum PARK ; Moon Chan KIM ; Joon Ki KANG
Journal of Korean Neurosurgical Society 1997;26(2):278-282
A case of the recurrent neurilemmoma of vagus nerve in the neck is presented. It was located in the upper third of the right lateral neck. The patient was presented with hoarseness and monoparesis of the right arm. The tumor was composed of large cystic portion and solid nodule in the right carotid fossa. Since total surgical removal of the tumor could cause functional deterioration of the involved vagus nerve, it was removed by means of intracapsular enucleation. Postoperatively, the monoparesis of the right arm was disappeared with preservation of vagus nerve function. It would appear that an intracapsular enucleation may be advisible in some cases of neurilemmomas of the cervical vagus nerve to maintain the function of the involved vagus nerve.
Arm
;
Hoarseness
;
Humans
;
Neck
;
Neurilemmoma*
;
Paresis
;
Vagus Nerve*
2.Assessment of Autonomic Function in Stroke Patients by Power Spectral Analysis of Heart Rate Variability.
Joong Son CHON ; Sae Il CHUN ; Seung Hyun PARK ; Juhn AHN ; Soh Young BAEK ; Youn Joo KANG ; Won Su DOH ; Kee Sam JEONG ; Kun Soo SHIN ; Myoung Ho LEE
Journal of the Korean Academy of Rehabilitation Medicine 1998;22(4):778-783
OBJECTIVE: To evaluate the effects of orthostatic stress with a head-up tilt on the autonomic nervous system and to determine how a cerebral stroke influences the cardiac autonomic function, using the power spectral analysis(PSA) of heart rate variability(HRV). METHOD: We studied 11 stroke patients with a left hemiplegia and 14 patients with a right hemiplegia. Their hemispheric brain lesions were confirmed by the MRI. The ECG and respiration signals were recorded at the tilt angle of 0o and 70o for 5 minutes under the condition of frequency controlled respirtaion(0.25 Hz). Data were compared with the age- and sex-matched 12 healthy controls. RESULT: In a control group, the normalized high frequency power showed a significant decrease during the head-up tilt(p<0.05), whereas the normalized low frequency power showed a significant increase(p<0.05). But for the left and right hemiplegia groups, there were no significant changes of normalized high and low frequency power under the orthostatic stress(p>0.05). Compared with the right hemiplegia and control groups, the left hemiplegia group was associated more with a reduced low and high frequency power and showed no significant changes under the orthostatic stress. CONCLUSION: PSA of HRV can identify the reduced cardiac autonomic activity in stroke patients, with a greater reduction in the left hemiplegia group than in the right hemiplegia group, which may cause a high risk of cardiac arrhythmias and sudden death.
Arrhythmias, Cardiac
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Autonomic Nervous System
;
Brain
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Death, Sudden
;
Electrocardiography
;
Heart Rate*
;
Heart*
;
Hemiplegia
;
Humans
;
Magnetic Resonance Imaging
;
Respiration
;
Stroke*
3.The 1998, 1999 Patterns of Care Study for Breast Irradiation after Mastectomy in Korea.
Ki Chang KEUM ; Su Jung SHIM ; Ik Jae LEE ; Won PARK ; Sang wook LEE ; Hyun Soo SHIN ; Eun Ji CHUNG ; Eui Kyu CHIE ; Il Han KIM ; Do Hoon OH ; Sung Whan HA ; Hyung Sik LEE ; Sung Ja AHN ; Moon June CHO ; Juhn Kyu LOH ; Kyung Ran PARK ; Doo Ho CHOI ; Myung Za LEE ; Ki Jung AHN ; Won Dong KIM ; Bo Kyoung KIM ; Mison CHUN ; Jin Hee KIM ; Chang Ok SUH
The Journal of the Korean Society for Therapeutic Radiology and Oncology 2007;25(1):7-15
PURPOSE: To determine the patterns of evaluation and treatment in patients with breast cancer after mastectomy and treated with radiotherapy. A nationwide study was performed with the goal of improving radiotherapy treatment. MATERIALS AND METHODS: A web-based database system for the Korean Patterns of Care Study (PCS) for 6 common cancers was developed. Randomly selected records of 286 eligible patients treated between 1998 and 1999 from 17 hospitals were reviewed. RESULTS: The ages of the study patients ranged from 20 to 80 years (median age 44 years). The pathologic T stage by the AJCC was T1 in 9.7% of the cases, T2 in 59.2% of the cases, T3 in 25.6% of the cases, and T4 in 5.3% of the cases. For analysis of nodal involvement, N0 was 7.3%, N1 was 14%, N2 was 38.8%, and N3 was 38.5% of the cases. The AJCC stage was stage I in 0.7% of the cases, stage IIa in 3.8% of the cases, stage IIb in 9.8% of the cases, stage IIIa in 43% of the cases, stage IIIb in 2.8% of the cases, and IIIc in 38.5% of the cases. There were various sequences of chemotherapy and radiotherapy after mastectomy. Mastectomy and chemotherapy followed by radiotherapy was the most commonly performed sequence in 47% of the cases. Mastectomy, chemotherapy, and radiotherapy followed by additional chemotherapy was performed in 35% of the cases, and neoadjuvant chemoradiotherapy was performed in 12.5% of the cases. The radiotherapy volume was chest wall only in 5.6% of the cases. The volume was chest wall and supraclavicular fossa (SCL) in 20.3% of the cases; chest wall, SCL and internal mammary lymph node (IMN) in 27.6% of the cases; chest wall, SCL and posterior axillary lymph node in 25.9% of the cases; chest wall, SCL, IMN, and posterior axillary lymph node in 19.9% of the cases. Two patients received IMN only. The method of chest wall irradiation was tangential field in 57.3% of the cases and electron beam in 42% of the cases. A bolus for the chest wall was used in 54.8% of the tangential field cases and 52.5% of the electron beam cases. The radiation dose to the chest wall was 45~59.4 Gy (median 50.4 Gy), to the SCL was 45~59.4 Gy (median 50.4 Gy), and to the PAB was 4.8~38.8 Gy, (median 9 Gy) CONCLUSION: Different and various treatment methods were used for radiotherapy of the breast cancer patients after mastectomy in each hospital. Most of treatment methods varied in the irradiation of the chest wall. A separate analysis for the details of radiotherapy planning also needs to be followed and the outcome of treatment is needed in order to evaluate the different processes.
Breast Neoplasms
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Breast*
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Chemoradiotherapy
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Drug Therapy
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Humans
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Korea*
;
Lymph Nodes
;
Mastectomy*
;
Mastectomy, Radical
;
Radiotherapy
;
Thoracic Wall