• Title/Summary/Keyword: Cause Diagnosis

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A Literature Review on Cracked Teeth (균열치 증후군에 대한 문헌고찰)

  • Cho, Woong-Rae;Kim, Dae-Gon;Park, Chan-Jin;Cho, Lee-Ra
    • Journal of Dental Rehabilitation and Applied Science
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    • v.27 no.3
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    • pp.305-316
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    • 2011
  • Cracked teeth are a common problem with incomplete fracture that typically shows pain on biting and temperature stimuli. The most common cause of crack is known to be the masticatory accident. Predisposing factors were aging, old restoration, and iatrogenic stress concentration, etc. Accurate diagnosis is needed for detecting the extent of crack and pulp vitality. There are many diagnostic tools like bite test, direct observation with transillumination, dye penetration, and radiographs. Immediate treatment for pain relief and occlusal adjustment would be needed. Composite resin and bonded amalgam showed favorable prognosis. Moreover, cusp protection is reliable permanent treatment for cracked teeth. The purpose of this article is to review the literature about the prevention, diagnosis, and treatment for cracked teeth.

Obstructive sleep apnea syndrome in children: Epidemiology, pathophysiology, diagnosis and sequelae

  • Chang, Sun-Jung;Chae, Kyu-Young
    • Clinical and Experimental Pediatrics
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    • v.53 no.10
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    • pp.863-871
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    • 2010
  • The prevalence of pediatric obstructive sleep apnea syndrome (OSAS) is approximately 3% in children. Adenotonsillar hypertrophy is the most common cause of OSAS in children, and obesity, hypotonic neuromuscular diseases, and craniofacial anomalies are other major risk factors. Snoring is the most common presenting complaint in children with OSAS, but the clinical presentation varies according to age. Agitated sleep with frequent postural changes, excessive sweating, or abnormal sleep positions such as hyperextension of neck or abnormal prone position may suggest a sleep-disordered breathing. Night terror, sleepwalking, and enuresis are frequently associated, during slow-wave sleep, with sleep-disordered breathing. Excessive daytime sleepiness becomes apparent in older children, whereas hyperactivity or inattention is usually predominant in younger children. Morning headache and poor appetite may also be present. As the cortical arousal threshold is higher in children, arousals are not easily developed and their sleep architectures are usually more conserved than those of adults. Untreated OSAS in children may result in various problems such as cognitive deficits, attention deficit/hyperactivity disorder, poor academic achievement, and emotional instability. Mild pulmonary hypertension is not uncommon. Rarely, cardiovascular complications such as cor pulmonale, heart failure, and systemic hypertension may develop in untreated cases. Failure to thrive and delayed development are serious problems in younger children with OSAS. Diagnosis of pediatric OSAS should be based on snoring, relevant history of sleep disruption, findings of any narrow or collapsible portions of upper airway, and confirmed by polysomnography. Early diagnosis of pediatric OSAS is critical to prevent complications with appropriate interventions.

Experimental Study on Prediction and Diagnosis of Leakage and Water Absorption in Water-Cooled Generator Stator Windings by Drying Process Analysis (수냉각 발전기 고정자 권선의 건조 과정 분석을 통한 누설 및 흡습 예측 진단에 관한 실험적 연구)

  • Kim, Hee-Soo;Bae, Yong-Chae;Lee, Wook-Ryun;Lee, Doo-Young
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.34 no.9
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    • pp.867-873
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    • 2010
  • The failure of water-cooled generator stator windings as a result of insulation breakdown due to coolant water leaks and water absorption often occurs worldwide. Such failure can cause severe grid-related accidents as well as huge economic losses. More than 50% of domestic generators have been operated for over 15 years, and therefore, they exhibit signs of aging. Leaking and water-absorbing windings are often found during an overhaul. In an existing method for evaluating the integrity of generator stator windings, the drying process of the interior of the windings is ignored and only final leak tests are performed. In this study, it is shown that water leaks and water absorption in stator windings can be detected indirectly through vacuum pattern analysis in the vacuum drying mode, which is the used in the preparation stage of the leak test.

Treatment of Posteolareral Rotatory Instability of the Knee (슬관절 후외방 불안정성의 치료)

  • Kim, Jin Goo
    • Journal of the Korean Arthroscopy Society
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    • v.15 no.2
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    • pp.146-154
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    • 2011
  • Injury of posterolateral corner is unusual, but it can cause disability due to severe instability and cartilage damage. However, the anatomical structures, diagnosis and treatment have not defined clearly yet. Posterolateral corner injury is regarded as the one of main factor to the results of failure in cruciate ligament reconstcution if it was undiagnosed and untreated. Diagnosis of postetolateral corner injury is consists of physical exam, radiographic finding, MRI, and arthroscopic findings. The treatment method of of postetolateral corner injury depends on the time and severity of injury. Anatomical reconstruction of posterolateral corner shows the better clinical outcome than non anatomical reconstructions, but the clinical results of long term follow up is still needed. Therefore, the aim of this article is to review the recent literatures and to organize diagnosis and treatment of posterolateral corner injury.

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Necrotizing Fasciitis in a Patient with Systemic Lupus Erythematosus (전신성 홍반성 루푸스 환자에서 발생한 괴사성 근막염의 치험례)

  • Cho, Hye-In;Chang, Hak
    • Archives of Plastic Surgery
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    • v.38 no.3
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    • pp.309-314
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    • 2011
  • Purpose: Necrotizing fasciitis is a life-threatening, destructive soft tissue infection with a very high rate of mortality that needs early diagnosis and aggressive treatment. Systemic Lupus Erythematosus (SLE) is a systemic, autoimmune disease and it's major cause of mortality is an infection. But necrotizing fasciitis in SLE is very rare and there have been only 22 cases reported in the literatures. We reported a patient of necrotizing fasciitis with SLE and reviewed 22 others from literature research. Methods: A 40-year-old female patient with a history of SLE for 6 years came to the emergency room. The patient complained of severe pain and swelling on her right leg. She was diagnosed as necrotizing fasciitis and underwent emergency fasciotomy. As wound cultures showed variable organisms, she was treated with broad-spectrum antibiotics and underwent several surgical debridements. Then, the wound was treated with the V.A.C (Vacuum Assisted Closure) device and split thickness skin grafting was performed two times. Results: Skin graft was well taken within 2 weeks after operations and the patient was discharged to outpatient follow up. There was no complication related with surgery and she could walk without cane after 3 months. Conclusion: We treated a necrotizing fasciitis in a patient with SLE and reviewed 22 others from literature research. The case presented here suggests that necrotizing fasciitis is a rare disease in SLE patients, but should be considered in the differential diagnosis of soft tissue infection in SLE patients. A high index of suspicion is needed for early diagnosis and proper management in these patients.

Value of Bronchoalveolar Lavage Fluid Cytology in the Diagnosis of Pneumocystis jirovecii Pneumonia: A Review of 30 Cases

  • Sung, Ji-Youn;Han, Joung-Ho;Oh, Young-Lyun;Suh, Gee-Young;Jeon, Kyeong-Man;Kim, Tae-Eun
    • Tuberculosis and Respiratory Diseases
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    • v.71 no.5
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    • pp.322-327
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    • 2011
  • Background: Pneumocystis jirovecii is a fungus that has become an important cause of opportunistic infections. We present a summary of the clinical status and findings from bronchoalveolar lavage (BAL) of patients with Pneumocystis jirovecii pneumonia (PJP). Methods: We selected 30 cases of PJP that were proven through a surgical specimen evaluation. BAL fluid cytology was reviewed, and agreement with the initial diagnosis was evaluated. Results: All 30 cases of PJP occurred in immunocompromised patients. Only 15 of the 30 cases were initially diagnosed as PJP. We found PJP in 13 of the 15 cases that were negative at the initial diagnosis. The most characteristic finding of PJP was frothy exudates, and BAL fluid tended to show rare neutrophils. Two of seven patients with PJP and diffuse alveolar damage (DAD) revealed no frothy exudates in BAL fluid. Conclusion: BAL fluid cytology was reconfirmed as a sensitive and rapid method to diagnose PJP. We must be aware of the possibility of PJP to maintain high diagnostic sensitivity. We cannot exclude PJP in cases of PJP with DAD, even if frothy exudates are not observed in the BAL fluid.

Comparison between Radiological and Invasive Diagnostic Modalities in Diagnosis of Breast Cancer

  • Onur, Gulcin Ozkan;Tarcan, Ercument;Onur, Asim;Can, Huseyin;Atahan, Murat Kemal;Yigit, Seyran Ceri;Cakalagaoglu, Fulya
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.10
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    • pp.4323-4328
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    • 2015
  • Background: Breast cancer is the most common cause of deaths of cancer in women. Nowadays, following completion of imaging methods, mainly fine needle aspiration biopsy (FNAB) and core biopsy methods have been used for establishing cytopathological diagnosis although discussions regarding superiority continue. Materials and Methods: Those with a complaint of "mass in breast" along with those diagnosed to have a mass as a result of routine physical examination among all patients applying to our clinic between 01.01.2009 and 31.12.2011 were retrospectively assessed. Totals of 146 and 64 patients with complete radiological observation who had undergone FNAB and core biopsies, respectively, were evaluated. Postoperative pathological results of patients of both groups receiving surgery were also taken into consideration. All results were compared in terms of false positivity/negativity, sensitivity/specifity, surgery types and distribution of postoperative results with regard to diagnoses along with those of malignant/benign masses with regard to quadrants determined. Results: Diagnostic malignancy power of mammographic BIRADS classification was 87.3%. However, the value was 75% in the core biopsy group. Sensitivity and specifity following comparison of FNAB and postoperative pathology results of those receiving surgery were 85.4% and 92.9% while they were 93.5% and 100% in the core biopsy group. Diagnostic malignancy power, calculated by determining AUC in ROC analysis, of FNAB was 89.1% while that of core biopsy was 96.7%. Conclusions: It was shown that core biopsy is superior to FNAB in terms of sensitivity, specificity and accurate histopathological classification. However; quick, cheap and basic diagnosis by means of FNAB should not be ignored. Sensitivity of FNAB is rather high in experienced hands and furthermore it would be expected to be lower than with core biopsy.

Survival of Patients with Prostate Cancer in Yazd, Iran

  • Zahir, Shokouh Taghipour;Nazemian, Mohammad Reza;Zand, Sanaz;Zare, Samad
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.2
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    • pp.883-886
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    • 2014
  • Background: Prostate cancer is the second leading cause of cancer death in men worldwide. Several factors such as availability of screening tests, and dietary, other lifestyle, environmental and genetic influences contribute to worldwide disparities in prostate cancer incidence and mortality rates. Our aims were to investigate patient characteristics at the time of diagnosis, common treatment strategies employed and survival in an Iranian male population with prostate cancer. Materials and Methods: Archives of Pathology Departments of five referral centers affiliated with the School of Medicine of Shahid Sadoughi University in Yazd province were reviewed. Paraffin-embedded blocks were reviewed by two independent pathologists to confirm the diagnosis. The latest modification of the Gleason Scoring System was adopted to determine pathological grading. Following pathological evaluation, patients were contacted via telephone to acquire information regarding their current status. Results: Pathology blocks were available for 113 patients. However, upon phone contacts, we were unable to determine the survival status in 23 patients (response rate=83%). Therefore, 90 patients were enrolled in the final analysis. The median follow-up time was 6.0 years (ranging from 0.3 to 8.8 years). There were 30 death attributed to prostate cancer in the study group. Kaplan-Meier analysis revealed that patient age at the time of diagnosis was a significant predictor of survival. Another significant predictor of poorer survival was higher tumor grade. Conclusions: Our observations indicate that age and pathological grade can negatively affect survival of individuals with prostate cancer in Iran.

Revision of Failed Shoulder Instability Repair (실패한 견관절 불안정증의 봉합술에 대한 재수술)

  • Park, Jin-Young;Park, Hong-Geun;Oh, Jeong-Hwan
    • Journal of the Korean Arthroscopy Society
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    • v.10 no.2
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    • pp.135-140
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    • 2006
  • Diagnosis and treatment of the unstable shoulder is one of the more difficult problems in orthopaedic surgery. There is confusion between the normal laxity with translation and subluxation of the humeral head relative to the glenoid and an abnormal amount of laxity, leading to pain and dysfunction. Unfortunately, there is no single treatment that applied to all lesions that cause the instability. It is imperative, therefore, that an accurate diagnosis be made, including the directions and degree of shoulder instability as well as any coexisting problems. Anatomical defects must be defined. Common factors that could most readily compromised instability repair are examined. These include techniques for making an accurate diagnosis with identification of the precise anatomical pathology, and the rationale for appropriate surgical treatment with the avoidance of technical complication such as unnecessary hardware or exposures that might lead to residual instability, arthritis, and nerve or vascular injuries. Additional injuries may be prevented by careful rehabilitation postoperatively to restore shoulder stability, flexibility, and endurance prior to an individual's return to stressful sports or work.

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A Study on the Medical Records and Qian Yi(錢乙)'s Medical Thought in $\ll$Xiao Er Yao Zheng Zhi Jue$\gg$ (소아약증직결(小兒藥證直訣)의 의안(醫案)에 나타난 전을(錢乙)의 의학사상에 관한 연구)

  • Hwang, Young Jun;Min, Sang Yeon;Kim, Jang Hyun
    • The Journal of Pediatrics of Korean Medicine
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    • v.24 no.1
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    • pp.104-116
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    • 2010
  • Objectives The Medical record consist of symptoms, the cause of a disease, diagnostic studies, medical treatment, prescription, and so on. Doctors can use medical records as data for diagnosis, treatment, and education. Therefore, medical records are beneficial. Methods Translating $\ll$Xiao Er Yao Zheng Zhi Jue$\gg$ into modern Korean, and studying the medical records of Qian Yi(錢乙)'s Medical concept in $\ll$Xiao Er Yao Zheng Zhi Jue$\gg$ were examined. Results Regarding the diagnosis of the pediatric diseases, Si Zhen He Can(四該合參), consider in the eye exam closely. In addition, he closely combined the concept of Wu Zang Bian Zheng(五藏辨證), and diagnosis the pediatric diseases. Wu Zang Bian Zheng(五藏辨證). what Qian-Yi(錢乙) established method was based on Zheng Ti Guan(整體觀) in Huang Di Nei Jing(黃帝內經). Qian-Yi(錢乙) took a close look on Chuang Zhen(瘡疹) which had been an inadequate field in those days. He criticized on the habitual misuse of medications. He treated Ji Jing(急驚) and Man Jing(慢驚) separately; Ji Jing(急驚) as Liang Xie(凉瀉) and Man Jing(慢驚) as Wen Bu(溫補). He proposed Zong Gan Zhu Feng and Xin Zhu Jing(縱肝主風, 心主驚) theory and formulated Jing Feng(驚風) theory as well. He emphasized the treatment to Gong Bu Shang Zheng, Bu Bu Zhi Xie, Xiao Bu Jian Shi(攻不傷正, 補不滯邪, 消補兼施) because he had a clear demonstration to Han Re Xu Shi(寒熱虛實) of the five viscera in the field of Fang yao(方藥). Conclusions Understanding $\ll$Xiao Er Yao Zheng Zhi Jue$\gg$ and its medical records of Qian Yi(錢乙)'s medical concept had quintessential meaning to both modern pediatrician and oriental medical doctors of all medical fields in treating children.