1.A Case of Pediatric Mumps Parotitis Preceded by Acute Hearing Loss and Vertigo.
Sang Hyun PARK ; Bong Jik KIM ; Jae Yun JUNG
Korean Journal of Otolaryngology - Head and Neck Surgery 2015;58(3):214-216
We report a case of Mumps deafness with acute vestibular symptoms in a 13-year-old boy, who developed both parotid swelling preceded by acute right hearing loss and vertigo with spontaneous nystagmus. He was diagnosed as Mumps when the antibody of Mumps virus was detected in the serum. To our knowledge, this is the first case of Mumps infection, where parotitis was preceded by hearing loss and vertigo. This study indicates that the first symptom of Mumps virus infection could be hearing loss or vertigo.
Adolescent
;
Deafness
;
Hearing Loss*
;
Humans
;
Male
;
Mumps virus
;
Mumps*
;
Parotitis*
;
Vertigo*
2.Episodic Dizziness with Unilateral Hearing Loss: Clinical Characteristics According to Hearing Loss Pattern.
Young Min PARK ; Dong Hyun KIM ; Bong Jik KIM ; Chung Ku RHEE ; Jae Yun JUNG
Korean Journal of Otolaryngology - Head and Neck Surgery 2015;58(3):173-176
BACKGROUND AND OBJECTIVES: ZLow frequency hearing loss is known to be the most common hearing loss form in Meniere's disease (MD) and episodic dizziness with low frequency sensorineural hearing loss is considered a very crucial symptom for the diagnosis of MD. However, flat or high frequency hearing loss is also commonly encountered in the Ear, Nose and Throat clinic. The aim of this study is to investigate the differences in clinical manifestation between episodic dizzy patients with low frequency hearing loss (LFHL) group and non-low frequency hearing loss (non-LFHL) group. SUBJECTS AND METHOD: We reviewed medical records of 78 patients (36 of LFHL group and 42 of non-LFHL group) who had episodic dizziness with unilateral hearing loss and analyzed clinical characteristics according to hearing loss pattern. RESULTS: The clinical features of LFHL include a predominance of female sufferers, high incidence of tinnitus and short duration of dizziness. There was no significant difference in frequency, nature of dizziness, and results of vestibular function test. Although the proportion of patients diagnosed with definite MD was higher in LFHL group at initial and final diagnosis, there were no statistically significant differences between two groups. CONCLUSION: Therefore, when episodic dizziness is accompanied with unilateral hearing loss, not only low frequency but flat or high frequency hearing loss could be considered as a critical sign for possible progression to Meniere's disease and careful observation should be taken.
Diagnosis
;
Dizziness*
;
Ear
;
Female
;
Hearing Loss*
;
Hearing Loss, Sensorineural
;
Hearing Loss, Unilateral*
;
Humans
;
Incidence
;
Medical Records
;
Meniere Disease
;
Nose
;
Pharynx
;
Tinnitus
;
Vestibular Function Tests
3.Hemorrhagic Brain Metastasis in Angiosarcoma
Kyubong LEE ; Hanim KWON ; Yun Jik PARK ; Yeon Jung KIM ; Jun Young CHANG
Journal of the Korean Neurological Association 2019;37(4):379-383
Angiosarcomas are rare, but aggressive malignancies. Reports of brain metastasis are uncommon. In this report, we describe the clinical features of a 62 year-old man who presented with hemoptysis and right-sided weakness. Chest computed tomography showed multiple ill-defined part solid nodules in both lungs and brain magnetic resonance imaging showed multiple hemorrhagic bran masses. The patient underwent whole body proton emission tomography to identify biopsy site and showed multiple bone lesions. A right acetabulum biopsy in confirmed the diagnosis of angiosarcoma.
Acetabulum
;
Biopsy
;
Brain
;
Diagnosis
;
Hemangiosarcoma
;
Hemoptysis
;
Humans
;
Lung
;
Magnetic Resonance Imaging
;
Neoplasm Metastasis
;
Protons
;
Thorax
4.Conditions of Cervical Vestibular Evoked Myogenic Potentials Test to Minimize Interaural Variation.
Sang Hyun PARK ; Woo Sung NA ; Hong Geun KIM ; Bong Jik KIM ; Jae Yun JUNG
Korean Journal of Otolaryngology - Head and Neck Surgery 2015;58(9):609-614
BACKGROUND AND OBJECTIVES: Cervical vestibular evoked myogenic potentials (cVEMP) test has been widely used to assess the function of the saccule and inferior vestibular nerve. Electrode location and stimulating sound are important factors which might affect the test results. Today those parameters are usually selected to maximize the waveform response. In this study, we tried to find the optimal condition to minimize the range of normal value of cVEMP. SUBJECTS AND METHOD: Thirteen normal subjects (26 ears) were included. We placed electrodes at five different locations over the sternocleidomastoid muscle (SCM) and used four different stimulation sounds. Variances of parameters, including interpeak amplitude, interaural difference (IAD) and normal value were analyzed and compared. RESULTS: When using the classical condition (mid point of SCM and 500 Hz) without rectification, IAD ratio was 20.8+/-14.2% and the range of normal value was 39%. When we used 2000 Hz tone burst sound at the classical electrodes site, IAD ratio and normal value were minimized, resulting in 18.7+/-14.3% and 31% respectively. After the rectification, when using the classical condition, IAD ratio was 26.4+/-22.3% and the range of normal value was 49%. The minimum IAD ratio was measured as 17.4+/-13.7% when we used click sound at SCM at the level of mandibular angle. And the minimum normal value of 32% was measured when we used 1000 Hz tone burst sound at SCM at the level of mandibular angle. CONCLUSION: Although the condition was not optimal for maximizing the interpeak amplitude, we could alternatively use the condition to minimize the normal value.
Electrodes
;
Reference Values
;
Saccule and Utricle
;
Vestibular Evoked Myogenic Potentials*
;
Vestibular Nerve
5.Cyclophosphamide-Associated Reversible Cerebral Vasoconstriction Syndrome Presenting as Concurrent Cerebral Infarction and Subarachnoid Hemorrhage
Dong-Young JEONG ; Keon-Woo KIM ; Yun-Jik PARK ; Yeon-Jung KIM ; Jun Young CHANG
Journal of the Korean Neurological Association 2021;39(3):202-206
Reversible cerebral vasoconstriction syndrome (RCVS) has several trigger factors, including physical exertion, pregnancy, and the intake of vasoconstrictive agents. These triggers activate the sympathetic nervous system and induce vasoconstriction, thereby leading to an ischemic or hemorrhagic stroke. In this study, we describe case of RCVS in a 73-year-old woman who complained of sudden bilateral leg weakness after taking cyclophosphamide for anti-neutrophil cytoplasmic antibody associated vasculitis. She was diagnosed with concurrent cerebral hemorrhage and cerebral infarction with multiple intracranial vasoconstrictions on imaging analyses.
6.Patterns of Cerebrospinal Fluid Biomarkers and Amyloid Positron Emission Tomography in a Patient with Cerebral Amyloid Angiopathy-Related Inflammation
Ji-Yon KIM ; Sungyang JO ; Yun Jik PARK ; Hee Jae JUNG ; Yong Seo KOO ; Jae-Hong LEE
Journal of the Korean Neurological Association 2021;39(3):172-176
Cerebral amyloid angiopathy-related inflammation (CAA-RI) is a distinct subset of cerebral amyloid angiopathy characterized by the auto-inflammatory response to amyloid-laden small arteries of cerebral cortex and leptomeninges. Clinical features include cognitive-behavioral change, headache, focal neurologic deficits and seizure. Because anti-inflammatory treatments can rapidly relieve neurologic symptoms, early diagnosis is critical. Herein, we report a CAA-RI case with distinct laboratory findings of a decreased cerebrospinal fluid amyloid beta 1-42 level and relatively reduced florbetaben uptake in the focal inflammatory lesion during the acute phase of CAA-RI.
7.Cyclophosphamide-Associated Reversible Cerebral Vasoconstriction Syndrome Presenting as Concurrent Cerebral Infarction and Subarachnoid Hemorrhage
Dong-Young JEONG ; Keon-Woo KIM ; Yun-Jik PARK ; Yeon-Jung KIM ; Jun Young CHANG
Journal of the Korean Neurological Association 2021;39(3):202-206
Reversible cerebral vasoconstriction syndrome (RCVS) has several trigger factors, including physical exertion, pregnancy, and the intake of vasoconstrictive agents. These triggers activate the sympathetic nervous system and induce vasoconstriction, thereby leading to an ischemic or hemorrhagic stroke. In this study, we describe case of RCVS in a 73-year-old woman who complained of sudden bilateral leg weakness after taking cyclophosphamide for anti-neutrophil cytoplasmic antibody associated vasculitis. She was diagnosed with concurrent cerebral hemorrhage and cerebral infarction with multiple intracranial vasoconstrictions on imaging analyses.
8.Patterns of Cerebrospinal Fluid Biomarkers and Amyloid Positron Emission Tomography in a Patient with Cerebral Amyloid Angiopathy-Related Inflammation
Ji-Yon KIM ; Sungyang JO ; Yun Jik PARK ; Hee Jae JUNG ; Yong Seo KOO ; Jae-Hong LEE
Journal of the Korean Neurological Association 2021;39(3):172-176
Cerebral amyloid angiopathy-related inflammation (CAA-RI) is a distinct subset of cerebral amyloid angiopathy characterized by the auto-inflammatory response to amyloid-laden small arteries of cerebral cortex and leptomeninges. Clinical features include cognitive-behavioral change, headache, focal neurologic deficits and seizure. Because anti-inflammatory treatments can rapidly relieve neurologic symptoms, early diagnosis is critical. Herein, we report a CAA-RI case with distinct laboratory findings of a decreased cerebrospinal fluid amyloid beta 1-42 level and relatively reduced florbetaben uptake in the focal inflammatory lesion during the acute phase of CAA-RI.
9.A case of primary antiphospholipid antibody syndrome showing vegetation on the mitral valve through echocardiography.
Seung Yeop LEE ; Seung Kwon PARK ; Sung Hwan YUN ; Yun Seok JUNG ; Hyen Jik KIM ; Sung Hwan LIM ; Jung Sang HAH ; Wook Nyeun KIM
Yeungnam University Journal of Medicine 1998;15(2):350-358
Antiphospholipid antibody syndrome(APS) is a well-known clinical syndrome characterized by recurrent arterial or venous thromboses, recurrent fetal loss, thrombocytopenia, together with high titers of sustained anticardiolipin antibody(aCL) or lupus anticoagulant(LA). Although systemic lupus erythematosus(SLE) and APS may coexist, a high proportion of patients manifesting the APS do not suffer from classical lupus or other connective tissue disease. The patient has been defined as having a primary antiphospholipid antibody syndrome. We experienced one case of primary APS with recurrent fetal loss, recurrent cerebral infarctions, positive anticardiolipin antibody IgG and fluttering vegetation on the mitral valve, without other connective tissue diseases including SLE. Forty-three old female had 2 out of 11 criteria for the diagnosis of SLE, such as thrombocytopenia and positive antinuclear antibody, but did not meet whole criteria. The patient was treated with ticlopidine, and anticoagulant therapy was recommended.
Antibodies, Anticardiolipin
;
Antibodies, Antinuclear
;
Antibodies, Antiphospholipid*
;
Antiphospholipid Syndrome*
;
Cerebral Infarction
;
Connective Tissue Diseases
;
Diagnosis
;
Echocardiography*
;
Female
;
Humans
;
Immunoglobulin G
;
Mitral Valve*
;
Thrombocytopenia
;
Ticlopidine
;
Venous Thrombosis
10.The Comparative Study between PLGA and Chitosan Scaffolds for Cartilage Tissue Engineering.
Yong Jik LEE ; Ho Yun CHUNG ; Dong Phil SHIN ; Jong Yeop KIM ; Jung Duk YANG ; Dong Gul LEE ; Jae Woo PARK ; Byung Chae CHO ; Bong Soo BAIK
Journal of the Korean Society of Plastic and Reconstructive Surgeons 2005;32(5):599-606
Clinical application of the cartilage formed by tissue engineering is of no practical use due to the failure of long-term structural integrity maintenance. One of the important factors for integrity maintenance is the biomaterial for a scaffold. The purpose of this study is to evaluate the difference between polylactic-co-glycolic acids (PLGA) and chitosan as scaffolds. Human auricular chondrocytes were isolated, cultured, and seeded on the scaffolds, which were implanted in the back of nude mice. Eight animals were sacrificed at 4, 8, 12, 16, and 24 weeks after implantation respectively. In gross examination and histological findings, the volume of chondrocyte-PLGA complexes was decreased rapidly. The volume of chondrocyte-chitosan complexes was well maintained with a slow decrease rate. The expression of type II collagen protein detected by immunohistochemistry and western blots became weaker with time in the chondrocyte-PLGA complexes. However, the expression in the chondrocyte-chitosan complexes was strong for the whole period. Collagen type II gene expressions using RT-PCR showed a similar pattern. In conclusion, these results suggest that chitosan is a superior scaffold in cartilage tissue engineering in terms of structural integrity maintenance. It is expected that chitosan scaffold may become one of the most useful scaffolds for cartilage tissue engineering.
Animals
;
Blotting, Western
;
Cartilage*
;
Chitosan*
;
Chondrocytes
;
Collagen Type II
;
Gene Expression
;
Humans
;
Immunohistochemistry
;
Mice
;
Mice, Nude
;
Tissue Engineering*