• Title/Summary/Keyword: Diagnostic ultrasound

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Influence of Applying Loads on Subacromial Space Interval during Shoulder Abduction in Young Men (젊은 남성에서 부하 적용이 어깨 벌림 동안 봉우리밑 공간 간격에 미치는 영향)

  • Park, Kanghui;Park, Hankyu;Park, Sookyoung
    • Journal of The Korean Society of Integrative Medicine
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    • v.8 no.1
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    • pp.169-175
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    • 2020
  • Purpose : This study was performed to comparison of distance change of subacromial space according to shoulder abduction angle in loaded and unloaded conditions. Methods : The subjects were 20 male college students, and the subacromial space was measured using an ultrasound diagnostic apparatus. The participants shoulder abduction was measured during each shoulder resting position and 45 ° abduction with loads of 1 kg, 2 kg, 3 kg. The collected data were analyzed by a paired t-test and repeated measure ANOVA with the SPSS (Ver. 22) program. Results : The subacromial space showed statistically significant decreased in 45 ° abduction than resting position (p<.001). All the subacromial space increased during the according to loads (1 kg, 2 kg, 3 kg) at the resting position but at 45 ° abduction showed statistically significant decreased as the load increases (p<.05). Also, subacromial space showed significant changes in the 2kg, 3kg compared with the 0kg loads. Conclusion : These results identified that shoulder abduction angle and load were related to subacromial space. When resting position, subacromial space is larger at loads than unload. As the load and shoulder abduction angle increase, subacromial space is reduced compared to resting.

The Usefulness of Ultrasound Diagnosis of Acute Tendon Injury in Hand (급성 건 손상 환자에서 초음파의 유용성)

  • Choi, Chang Yong;Lee, Han Jeong;Choi, Hwan Jun;Kim, Mi Sun
    • Archives of Plastic Surgery
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    • v.35 no.6
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    • pp.729-734
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    • 2008
  • Purpose: The evaluation and management of a completely transected tendon of the hand is relatively clear. In most cases, the integrity is assessed by physical examination(eg, broken normal cascade, motion loss) but occasionally, It happens in troubles. because of pain, limited patient cooperation(eg, child, unconscious patient), and other associated injuries(eg, fractures, foreign bodies). Methods: From september 2006 to August 2007, 28 patients were evaluated with real time ultrasonography preoperatively and postoperatively. Twenty eight patients with injured tendon were evaluated using an HDI 5000 Sono CT(Philips Medical Systems, Bothell, WA) machine with a high resolution, 7.5MHz hockey stick linear probe. Dynamic evaluation was performed in real time. Results: Surgery was performed after the ultrasonographic evaluation. Sonographic diagnosis and intraoperative findings were correlated. Ultrasonographic findings show tendon discontinuity, gaps, and fluid collection. Conclusion: We conclude that ultrasonography is helpful in evaluating and managing acute tendon injury. Especially, in cases of completely lacerated tendon, ultrasonography can identify the location of the proximal tendon stump and partial lacerated tendon, ultrasonographic diagnostic tool can decrease misdiagnosis.

Diagnostic imaging of portosystemic shunts in 43 dogs (개 문맥전신순환단락의 진단영상 43례)

  • Choi, Jihye;Kim, Hyunwook;Jang, Jaeyoung;Kim, Junyoung;Yoon, Junghee
    • Korean Journal of Veterinary Research
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    • v.48 no.2
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    • pp.227-233
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    • 2008
  • Portosystemic shunt (PSS) was diagnosed in 43 dogs by mesenteric portogram from January, 2002 to June 2007 in Haemaru referral animal hospital. PSS was found in various breeds including Maltese, Miniature Schnauzer and Yorkshire Terrier and there was no predisposition in gender. In laboratory parameters, mean cell volume was lower than normal value in single shunt and alanine aminotransferase was higher than normal range in multiple shunts with clinical significance. Cystic calculi were found in over 50% dogs with PSS and even in 70.8% dogs with single shunt. In 81% dogs with PSS, extrahepatic single shunt such as portocarval type and portoazygous type was identified. Extrahepatic multiple shunt and intrahepatic single shunt were observed in 4 dogs, respectively. Gradual attenuation using ameroid constrictor was applied to 35 dogs with extrahepatic single shunt and the prognosis of these dogs were good except two dogs, which showed poor prognosis because of acquired multiple PSS and renal disease unrelated with PSS, respectively.

A case series on nonpuerperal mastitis and breast abscess (비수유기 유선염 및 유방농양 환자 증례 보고)

  • Lee, Jong-Deok;Ryu, Sung-Won;Choi, Chang-Min
    • The Journal of Korean Obstetrics and Gynecology
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    • v.19 no.2
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    • pp.295-304
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    • 2006
  • Inflammatory conditions of the breast are uncommon and may be encountered in the puerperal and nonpuerperal setting. Nonpuerperal mastitis is less common and usually presents with inflammation and chronic abscess formation in the periareolar and peripheral region. These abscess have a high rate of recurrence and are often associated with an underlying disease state, such as diabetes, steroid treatment, trauma or other kinds of a deficient immune system. The diagnosis is suggested by the history of sudden onset and the presense of swelling, tenderness, heat, erythema, and in the case of abscess, fluctuation. Ultrasound can also be useful. Treatment consists of antibiotic administration or incision and drainage of the abscess and, in cases of retroareolar abscess, resection of entire underlying duct system. Recently, we have gotten good result from treating two cases of nonpuerperal mastitis and breast abscess which had treatment of antibiotics and drainage three times but recurred. After taking gamijipaesan(加味芷貝散) and acupuncture treatment, they have recovered and haven't recurred in 8 months. So it proves that herb medication and acupuncture are effective on nonpuerperal chronic mastitis and breast abscess.

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Development of a New Non-invasive Fetal Hypoxia Diagnosis System (새로운 비관혈적 태아 저산소증 진단 방법개발에 관한 연구)

  • Lee, Jeon;Lee, Kyoung-Joung
    • The Transactions of the Korean Institute of Electrical Engineers D
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    • v.55 no.11
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    • pp.495-501
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    • 2006
  • Diagnostics of unborn baby is mainly aimed at prediction and detection of occurrence of intrauterine hypoxia. Consequences resulting from fetal hypoxia appear in its heart activity. In this study, we have developed a new non-invasive system for fetal hypoxia diagnosis which provides systolic time interval(STI) parameters on the basis of analysis of electrical and mechanical heart activity together. For this we have worked on 1) the proper lead system for the acquisition of abdominal ECG, 2) the independent component analysis based signal processing and fetal ECG separation, 3) the development of a hardware which consists of an abdominal ECG amplifying module and an ultrasound module and 4) the detection of characteristic points of FECG and Doppler signal and the extraction of diagnostic parameters. The developed system was evaluated by the clinical experiments in which 33 subjects were participated. The acquired STI by the system were distributed within the ranges from the well-established invasive results of other researchers. From this, we can conclude that the developed non-invasive fetal hypoxia diagnosis system is useful.

Artificial Intelligence-based Echocardiogram Video Classification by Aggregating Dynamic Information

  • Ye, Zi;Kumar, Yogan J.;Sing, Goh O.;Song, Fengyan;Ni, Xianda;Wang, Jin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.2
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    • pp.500-521
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    • 2021
  • Echocardiography, an ultrasound scan of the heart, is regarded as the primary physiological test for heart disease diagnoses. How an echocardiogram is interpreted also relies intensively on the determination of the view. Some of such views are identified as standard views because of the presentation and ease of the evaluations of the major cardiac structures of them. However, finding valid cardiac views has traditionally been time-consuming, and a laborious process because medical imaging is interpreted manually by the specialist. Therefore, this study aims to speed up the diagnosis process and reduce diagnostic error by providing an automated identification of standard cardiac views based on deep learning technology. More importantly, based on a brand-new echocardiogram dataset of the Asian race, our research considers and assesses some new neural network architectures driven by action recognition in video. Finally, the research concludes and verifies that these methods aggregating dynamic information will receive a stronger classification effect.

A Case of Thyroid MALT Lymphoma Accompanied with Papillary Thyroid Carcinoma (갑상선 유두암과 동반된 갑상선 MALT 림프종 1예)

  • Lee, Eunsoo;Park, Heon Soo;Lee, Eunji;Lee, Dong Kun
    • Journal of Clinical Otolaryngology Head and Neck Surgery
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    • v.29 no.2
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    • pp.311-315
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    • 2018
  • Papillary thyroid carcinoma (PTC) is the most prevalent type of thyroid cancer. In contrast, thyroid lymphoma is a very rare disease. Concurrent onset of both is very rare in the thyroid gland. Ultrasound (US)-guided Fine needle aspiration (FNA) is a useful diagnostic tool, but occasionally pathology results may change after the surgery. A 56 years old woman visited with Hashimoto's thyroiditis and nodule on the thyroid gland isthmus on US exam. US-guided FNA was performed at thyroid nodule and diagnosed as PTC. The patient underwent total thyroidectomy. The pathological findings revealed a mucosa associated lymphoid tissue (MALT) lymphoma accompanied with PTC. Authors report this unusual case with a review of literature.

FPGA-Based Low-Power and Low-Cost Portable Beamformer Design (FPGA 기반 저전력 및 저비용 휴대용 빔포머 설계)

  • Jeong, GabJoong;Park, CheolYoung
    • Journal of Korea Society of Industrial Information Systems
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    • v.24 no.1
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    • pp.31-38
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    • 2019
  • In this paper, we develop a beamforming front end platform with pipeline circuit configuration method that can apply various clinical diagnostic applications of ultrasound image technology. Hardware design targets compression applications as well as scalable applications where power, integration levels and replication possibilities are important. Firmware design was implemented to achieve optimal FPGA parallel processing level by constructing new IP and system-oriented design environment to accelerate design productivity with maximum productivity improvement using Vivado HLS tool, which is a next generation high level synthesis tool. Former supports the high-speed management function of scan data that can create an image area arbitrarily and can be appropriately corrected and supplemented when reconfiguring or changing system specifications in the future.

Intestinal Lymphoma in a Halla Horse

  • Jeong, Hyohoon;Lee, Seyoung;Park, Kyung-won;Lee, Eun-bee;Kim, Jae-Hoon;Jung, Ji-Youl;Seo, Jong-pil
    • Journal of Veterinary Clinics
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    • v.39 no.3
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    • pp.138-143
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    • 2022
  • A 21-year-old female Halla Horse weighing 248 kg was referred to the Jeju National University Equine Hospital with the chief complaint of anorexia accompanied by general weakness and depression for the previous three days suspected to be related to colic. Extensive diagnostic tests were performed for the following six days, including complete blood count (CBC), serum chemistry, gastroscopy, x-rays, and ultrasound imaging. The signalment, history, symptoms, and test results strongly suggested a chronic intestinal inflammatory disease with or without an alimentary tumor; hence, an exploratory laparotomy was performed. Almost the entire small intestine wall was severely thickened with diffuse ecchymosis on the serosa and protruded nodules on the mucosa. A presumptive diagnosis of an intestinal tumor was made, and the patient was euthanized, considering the patient's welfare with poor prognosis and low expectancy. A massive part of the small intestine was collected and submitted for macroscopic and microscopic pathology evaluations. The pathologic examination, including immunohistochemistry (IHC), indicated equine intestinal lymphoma showing strong positivity for T cell marker. This report describes the clinical signs, diagnosis and pathological features of intestinal lymphoma in a Halla Horse in detail.

Degenerating Thyroid Nodules: Ultrasound Diagnosis, Clinical Significance, and Management

  • Jie Ren;Jung Hwan Baek;Sae Rom Chung;Young Jun Choi;Chan Kwon Jung;Jeong Hyun Lee
    • Korean Journal of Radiology
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    • v.20 no.6
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    • pp.947-955
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    • 2019
  • Degenerating nodules (DNs), which primarily manifest as benign thyroid nodules, are one of the main causes of discordance in ultrasonography (US) and cytological assessments. Intranodular hemorrhage is one of the mechanisms contributing to discordant nodules, and an impaired blood supply may explain further DN shrinkage and infarction. The surgical specimens can be divided into acute and chronic stages based on the histological changes, which usually mimic the US features of malignant tumors. Serial US follow-up should be recommended instead of other unnecessary procedures. However, repeated fine-needle aspiration, diagnostic surgery, or core-needle biopsy may still be necessary for indeterminable or highly suspicious DNs.