45 research outputs found

    (The) clinical evaluation of the globus symptom

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    μ˜ν•™κ³Ό/석사[ν•œκΈ€] Globus 증상은 주둜 μ€‘λ…„κΈ°μ˜ μ—¬μžμ—κ²Œμ„œ 인후두뢀에 νŠΉλ³„ν•œ 기질적 이상을 λ°œκ²¬ν•  μˆ˜μ—†λŠ” μƒνƒœμ—μ„œ 쒅양감 λ˜λŠ” μ§ˆμ‹κ° λ“±μ˜ 이상감각을 λŠλΌλŠ” 것을 λ§ν•˜λŠ”λ° κ·Έ 병인에 λŒ€ν•΄μ„œλŠ” λ‹¨μˆœν•œ 생리적인 κΈ°λŠ₯μž₯μ• λ‘œ μƒκΈ°λŠ” 것인지 λ˜λŠ” 정신적인 것인지 병리적인 것인지에 λŒ€ν•˜μ—¬ 아직도 ν•™μžλ“€ 간에 λ§Žμ€ λ…Όλž€μ΄ μžˆμ–΄μ™”λ‹€. λ”°λΌμ„œ μ €μžλŠ” κ·Έλ³‘μΈμ˜ 객관적 μš”μ†Œλ₯Ό 쒀더 ν™•μ‹€νžˆ νŒŒμ•…ν•˜κ³ μž λ‚¨μž 14λͺ… μ—¬μž 31λͺ…총 45λͺ…μ˜ Globus 쀑 ν™˜μžλ₯Ό λŒ€μƒμœΌλ‘œ 이학적검사, x-선검사 및 μ •μ‹ μ˜ν•™μ  검사 등을 μ‹€μ‹œν•˜μ—¬ λ‹€μŒκ³Ό 같은 결둠을 μ–»μ—ˆλ‹€. 1) λ‚¨λ…€λΉ„λŠ” 1:2.2λ‘œμ„œ μ—¬μžκ°€ λ‚¨μžλ³΄λ‹€ μ—°λ Ήλ³„λ‘œλŠ” 40δ»£μ—μ„œ κ°€μž₯ λ§Žμ•˜λ‹€. 2) X-선검사상 기질적 이상을 보인 ν™˜μžλŠ” 16λ‘€λ‘œμ„œ 35.6%μ˜€μœΌλ‚˜ 비ꡐ적 λ³Έ 증상과 관련이 μžˆλ‹€κ³  μƒκ°λ˜λŠ” μ§ˆν™˜μ€ 9λ‘€λ‘œμ„œ μ „μ²΄μ˜ 20%μ˜€λ‹€. 3) λ‹€λ©΄μ μΈμ„±κ²€μ‚¬μ˜ κ²°κ³Όλ₯Ό 보면 검사에 μ‘ν•œ 31λͺ…μ˜ Globus 쀑 ν™˜μžμ—μ„œ 58.9%κ°€ μ˜λ―ΈμžˆλŠ” 수치λ₯Ό λ³΄μ˜€μœΌλ©° 이상이 μžˆλŠ” ν™˜μžλ³΄λ‹€ 기질적 이상이 μ—†λŠ” ν™˜μžμ—μ„œ μš”μ†Œκ°€λ” λ§Žμ•˜λ‹€. 4) 일반 ν˜ˆμ•‘ 및 뇨(ε°Ώ)검사 ν˜ˆμ²­λ‚΄ 철뢄검사, κ°‘μƒμ„ ν˜Έλ₯΄λͺ¬κ²€μ‚¬μ—μ„œλŠ” 본증과 νŠΉλ³„ν•œκ΄€λ ¨μ„±μ„ 찾을 수 μ—†μ—ˆλ‹€. 5) Globus 쀑 ν™˜μžμ— λŒ€ν•΄μ„œλŠ” μƒμ„Έν•œ 병λ ₯쑰사 및 이학적검사와 ν•¨κ»˜ μ΅œμ†Œν•œλ„ μœ„ Β·μ‹λ„κ΄€μ‘°μ˜μˆ  및 정신신경학적검사λ₯Ό λ™μ‹œμ— μ‹€μ‹œν•˜μ—¬ μ§„λ‹¨ν•˜λŠ” 것이 λ°”λžŒμ§ν•˜λ‹€κ³  μƒκ°λœλ‹€. [영문] The globus symptom is a condition in which a patient, often a middle aged woman, complains of a lump and choking sensation in the throat. Up to now, there are many arguments about the etiological factors of that symptom, i,e, functional, psychological, pathological? So the author studied otto-rhino-laryngologically, radiologically, and psychiatrically with special attention to psychosomatic considerations, 45 globus patients for the purpose of finding any objective etiological factor for the globus sensation between May 1983 to March 1984. The results are as follows: 1. Relative to men, women are affected about two times more commonly and the symptom is most frequently in the age group between 40-49. 2. The radiological examination revealed that the organic lesion is in 35.6% of the total number of globus patients, but the lesion which is related to the globus symptom was found in only 20%. 3. The M.M.P.I. study revealed psychopathology in 58.9% of 31 followed-up patients and was more commonly found in the negative group. 4. The C.C.S. with morphology, urinalysis, serum Fe**++ and thyroid function study revealed no abnormal finding. 5. For diagnosis of the globus symptoms we must study the U.G.I. an esophagogram, an endoscopy and a psychiatric examination with accurate history taking and a physical examination.restrictio

    Expression of ephrinB ligands and EphB receptors in the mouse cornea and its role in corneal neovascularization

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    ν•™μœ„λ…Όλ¬Έ(박사)--μ„œμšΈλŒ€ν•™κ΅ λŒ€ν•™μ› :μ˜ν•™κ³Ό μ•ˆκ³Όν•™μ „κ³΅,2008.2.Docto

    컴퓨터λ₯Ό ν™œμš©ν•œ 주민참여섀계 : μ„œμšΈλŒ€ν•™κ΅ 상둝사 학생참여섀계

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    ν•™μœ„λ…Όλ¬Έ(석사)--μ„œμšΈλŒ€ν•™κ΅ λŒ€ν•™μ› :μƒνƒœμ‘°κ²½ν•™κ³Ό,2000.Maste

    μ„œμšΈν˜•μΈκ³΅κ°λ§‰μ˜ 생물학적 μ•ˆμ „μ„± 평가에 κ΄€ν•œ μ‹€ν—˜

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    ν•™μœ„λ…Όλ¬Έ(석사)--μ„œμšΈλŒ€ν•™κ΅ λŒ€ν•™μ› :μ˜ν•™κ³Ό μ•ˆκ³Όν•™μ „κ³΅,2004.Maste

    Improvement of Practical Suffix Sorting

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    ν•™μœ„λ…Όλ¬Έ(석사) --μ„œμšΈλŒ€ν•™κ΅ λŒ€ν•™μ› :μ „κΈ°. 컴퓨터곡학뢀, 2009.2.Maste

    Spectral radiusκ°€ 3인 μ •μˆ˜μ˜ line graphs의 λΆ„λ₯˜μ— κ΄€ν•˜μ—¬

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    Masterμ—°κ²°λœ λ‹¨μˆœ κ·Έλž˜ν”„(connected simple graph)Ξ“\Gamma에 λŒ€ν•˜μ—¬, AAλŠ” Ξ“\Gamma의 인접행렬(adjacency matrix), DDλŠ” Ξ“\Gamma의 vertex 차수λ₯Ό λŒ€κ°μ„±λΆ„μœΌλ‘œ κ°€μ§€λŠ” λŒ€κ°ν–‰λ ¬μ΄λΌ ν•˜μž. 이 λ…Όλ¬Έμ—μ„œ μš°λ¦¬λŠ” signless Laplace행렬을 L:=D+AL:= D+A라 μ •μ˜ν•˜κ³  이 행렬이 였직 μ •μˆ˜μΈ 고유치(eigenvalue)λ₯Ό 가지며 μŠ€νŽ™νŠΈλŸΌ 반경(spectral radius, κ³ μœ μΉ˜μ€‘ κ°€μž₯ 큰 κ°’)이 5인 κ·Έλž˜ν”„λ₯Ό λͺ¨λ‘ λΆ„λ₯˜ν•˜κ³ μž ν•˜μ˜€λ‹€. 이 문제λ₯Ό ν•΄κ²°ν•˜κΈ° μœ„ν•˜μ—¬ μš°λ¦¬λŠ” 이뢄 κ·Έλž˜ν”„(bipartite graph)와 이뢄 λΆˆκ°€λŠ₯ κ·Έλž˜ν”„(non-bipartite graph)의 경우둜 λ‚˜μš°μ–΄μ„œ κ·Έλž˜ν”„λ₯Ό λΆ„λ₯˜ν•˜μ˜€λ‹€. κ·Έλž˜ν”„ Ξ“\Gammaκ°€ κ·Έλž˜ν”„ HH의 라인 κ·Έλž˜ν”„(line graph)일 λ•Œ, signless Laplace ν–‰λ ¬ (H)(H)κ°€ λͺ¨λ‘ μ •μˆ˜μΈ 고유치(eigenvalue)λ₯Ό 가지며 μŠ€νŽ™νŠΈλŸΌ 반경(spectral radius)을 5둜 κ°€μ§€λ―€λ‘œ, μœ„μ˜ λΆ„λ₯˜λœ κ²°κ³Όλ₯Ό 가지고 인접행렬 AA의 고유치(eigenvalue)κ°€ λͺ¨λ‘ μ •μˆ˜μ΄λ©° μŠ€νŽ™νŠΈλŸΌ 반경(spectral radius)이 3인 λͺ¨λ“  라인 κ·Έλž˜ν”„(line graph)λ₯Ό 찾을 수 μžˆμ—ˆλ‹€. λ˜ν•œ μš°λ¦¬λŠ” μ΄λŸ¬ν•œ μ„±μ§ˆμ„ λ§Œμ‘±ν•˜λŠ” κ·Έλž˜ν”„λ₯Ό λͺ¨λ‘ λΆ„λ₯˜ν•˜λŠ” κ³Όμ •μ—μ„œ κ·Έλž˜ν”„μ˜ vertex 개수λ₯Ό μœ κ³„ν™”(bounded)ν•˜κ±°λ‚˜ κ·Έλž˜ν”„ μ°¨μˆ˜μ— κ΄€ν•œ μ—¬λŸ¬κ°€μ§€ μ„±μ§ˆλ“€μ„ λ„μΆœν•˜μ˜€λ‹€.Let Ξ“\Gamma be a graph with adjacency matrix AA and degree matrix DD. Thenthe signless Laplace matrix is defined as $=D+A$. In this thesis,we classify all graphs $\Gamma$ which signless Laplace matrix has only integraleigenvalues and the spectral radius of is at most 5. As a consequence wefind all line graphs Ξ“\Gamma with adjacency integral eigenvalues and spectralradius 3, as, if Ξ“\Gamma is the line graph of HH, then (H)(H) has integraleigenvalues and spectral radius 5

    A Study on Linear Wideband Low-Noise Amplifier and Ultra-Low Power Multi-Output DC-DC Converter

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    DoctorAs wireless communication technology advances, new advanced wireless communication standards have emerged into our daily life. They require not only high mobility for the user's convenience but also wide channel bandwidth to process a large amount of data. One example of the most common broadband RF receiver is a TV tuner system. These days, people want to use mobile TV service everywhere with good audio and video quality, so the TV tuner receiver progresses to higher mobility. Due to these demands, TV tuner using silicon integrated circuit (IC) type has been actively researched. The silicon tuner is a low cost solution for manufacturing than the can-type tuner and does not require any extra tuning after fabrication. Moreover, size of the silicon tuner is much smaller than that of the can-type tuner, so it is suitable for mobile device. Mobile TV tuner receiver should cover a very wide frequency range over 54 ~ 870 MHz where many adjacent channels are included. Therefore, we need a receiver system with high linearity. Especially, the linearity of the wideband LNA which is placed in front of the mobile TV receiver system is very important to escape from the intermodulation of unwanted interference signals. Hereupon, we propose a wideband noise-canceling LNA with the second and third order intermodulation distortion (IMD2 and IMD3) canceling technique in this dissertation. Based on the known noise cancellation mechanism, the proposed LNA cancels IMD3 by adopting not the noise-canceling point but the IMD3-canceling point. Also, IMD2 is cancelled by the complementary CMOS parallel push-pull structure. Finally, the LNA implemented in a 65 nm CMOS process delivers an IIP2 of 25 dBm, an IIP3 of 5.5 dBm with a power gain of 13 dB and an noise figure of 2.1 ~ 3.5 dB in a frequency range from 0.1 to 1.6 GHz. The total power dissipation is 20.8 mW at 1.2 V and the chip area is only 0.014 mm2. Interestingly, this dissertation deals with another topic of power management integrated circuit (PMIC) for ultra-low power (ULP) wireless sensor network (WSN). For recent years, there has been a huge attention to ULP WSN applications, which span from short-range machine-to-machine (M2M) communication (wireless personal area network (WPAN)) to medical sensor network around the human body (wireless body area network (WBAN)). As ULP radios consume very small amounts of energy in such networks, ~ mW in WPAN and ~uW in WBAN, smart wireless sensors with small and flexible battery have been realized. As of today's battery technology, Lithium-ion (Li-ion) batteries are regarded as the most practical energy source for WSN applications, thanks to their high energy density and low memory effect. However, cell voltage of Li-ion batteries is high and also varies (3.0 ~ 4.2 V) depending on the stored charge, so a power management unit (PMU) is necessary to bring the wide range of the source voltage down to stable supply voltage for RF and baseband circuits. Besides, the building blocks of sensors may require different supply voltages to operate in low power. As the power consumption of wireless radios has been reduced, energy-efficiency of the PMU has become more important. This thesis discusses a novel inductor-based DC-DC buck converter for ULP sensor node applications which achieves good efficiency (64%) even at very light load (5 uW) and supplies multiple regulated outputs using a single shared inductor. Pulse skipping modulation (PSM) is utilized to increase the efficiency at a light load and to regulate multiple outputs with a single inductor. A low quiescent current of 650 nA is measured by the proposed leakage-based oscillator and the power-gated zero current detector with adaptive offset control technique. The peak efficiency is 88.5% at 800 uW, and the range of the output voltage is 0.6 ~ 1.6 V. This system is implemented in a TSMC 65 nm CMOS process

    Assessment of Retinal Ganglion Cell using Retinal Nerve Fiber Layer Photography in Age-related Macular Degeneration

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    λͺ©μ  : λ§₯λ½λ§‰μ‹ μƒν˜ˆκ΄€μ„ ν•©λ³‘ν•œ μ—°λ Ήκ΄€λ ¨ν™©λ°˜λ³€μ„± ν™˜μžμ—μ„œ μ‹ κ²½μ ˆ μ„Έν¬μ˜ 손상이 μžˆλŠ”μ§€ μ•Œκ³ μž ν•˜μ˜€λ‹€. λŒ€μƒκ³Ό 방법 : λ§₯λ½λ§‰μ‹ μƒν˜ˆκ΄€μ„ ν•©λ³‘ν•œ μ—°λ Ήκ΄€λ ¨ν™©λ°˜λ³€μ„±μœΌλ‘œ μ§„λ‹¨λœ ν™˜μžμ—μ„œ λ™λ°˜λœ μ•ˆκ³Όμ  μ§ˆν™˜μ΄ μ—†κ³  이전에 치료λ₯Ό 받지 μ•Šμ€ κ²½μš°μ— λ§λ§‰μ‹ κ²½μ„¬μœ μΈ΅μ΄¬μ˜μ„ μ‹œν–‰ν•˜κ³  μœ λ‘ν™©λ°˜μ†μ˜ μ‹ κ²½μ„¬μœ μΈ΅ 결손이 μžˆλŠ”μ§€ ν‰κ°€ν•˜μ˜€λ‹€. κ²°κ³Ό : 총65λͺ…이 λŒ€μƒμ— ν¬ν•¨λ˜μ—ˆμœΌλ©° 이 쀑 85μ•ˆμ—μ„œ λ§₯락막 μ‹ μƒν˜ˆκ΄€μ΄ ν•©λ³‘λ˜μ–΄ μžˆμ—ˆλ‹€. 이 쀑 1λͺ… 1μ•ˆ (1.2%)μ—μ„œλ§Œ λ§₯λ½λ§‰μ‹ μƒν˜ˆκ΄€κ³Ό κ΄€λ ¨λ˜μ–΄ μœ λ‘ν™©λ°˜μ†μ˜ μ‹ κ²½μ„¬μœ μΈ΅ 결손이 λ°œκ²¬λ˜μ—ˆλ‹€. κ²°λ‘  : λ§₯λ½λ§‰μ‹ μƒν˜ˆκ΄€μ„ ν•©λ³‘ν•œ μ—°λ Ήκ΄€λ ¨ν™©λ°˜λ³€μ„± ν™˜μžμ˜ λŒ€λΆ€λΆ„μ—μ„œ μœ λ‘ν™©λ°˜μ†μ˜ μ‹ κ²½μ„¬μœ μΈ΅ 결손이 μ—†μŒμ΄ λ°œκ²¬λ˜μ—ˆκ³  μ΄λŠ” μ—°λ Ήκ΄€λ ¨ν™©λ°˜λ³€μ„±μ—μ„œ μ‹ κ²½μ ˆ μ„Έν¬μ˜ 상당 뢀뢄이 μœ μ§€λ˜κ³  μžˆμŒμ„ μ•”μ‹œν•œλ‹€.N
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