• 인터넷정보학회논문지
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• 제24권1호
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• pp.49-59
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• 2023

COVID-19로 대표되는 팬데믹 상황에서 의료 인력 부족으로 인한 문제가 대두되고 있다. 본 논문에서는 진단 업무를 지원하기 위한 컴퓨터 비전 솔루션으로 PA 흉부 X-선 영상에 대한 병변 유무 진단 방법에 대해 제시한다. 디지털 영상에 대한 특징 비교 방식의 이상 탐지 기법을 X-선 영상에 적용하여 비정상적인 영역을 예측할 수 있다. 정렬된 PA 흉부 X-선 영상으로부터 특징 벡터를 추출하고 패치 단위로 분할하여 지역적으로 등장하는 비정상을 포착한다. 사전 실험으로 다중 객체를 포함하는 시뮬레이션 데이터 세트를 생성하고 이에 대한 비교 실험 결과를 제시한다. 정렬된 영상에 대해 적용 가능한 패치 특징 하드마스킹을 통해 프로세스의 효율성 및 성능을 향상하는 방법을 제시한다. 지역 특수성 및 전역 이상 탐지 결과를 합산하여 기존 연구 대비 6.9%p AUROC 향상된 성능을 보인다.

• Journal of Trauma and Injury
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• 제27권1호
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• pp.9-12
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• 2014

Violent or severe persistent coughing is rarely associated with rib fracture. We report a rare case of a cough-induced rib fracture in a patient without any traumatic history or any other underlying disease. A 32-year-old female presented to the emergency department complaining of having had right-sided pleuritic chest pain for 5 days. She had a background of an 8-week coughing illness. A posteroanterior view of the chest radiograph showed no definite fractured line. Chest computed tomography revealed a subtle break cortical line of the 7th rib in the right-sided chest wall. Early identification of a cough-induced fracture of the rib by using computed tomography may avoid unnecessary further work-ups including laboratory examination and may lead to appropriate discharge instructions including rest and reassurance. The clinical presentations and radiologic findings of rib fractures caused by coughing are presented along with a review of the literature.

• Advances in pediatric surgery
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• 제13권1호
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• pp.81-86
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• 2007

A 3-year-old boy with purulent otitis media received a chest radiograph as the part of a routine work up. The patient was normal appearing, in no acute distress. The patient's lung and heart sounds were clear and normal. The patient's abdomen was soft, non-distended, and non-tender. An anterior cardiophrenic mass was incidentally identified on the lateral chest radiograph. A computed tomography scan demonstrated a diaphragmatic hernia with bowel loops in the retrosternal space. An exploratory operation revealed a diaphragmatic defect (4 cm in diameter) on the left side of the falciform ligament, through which transverse colon was protruded. There was no hernia sac, and the defect was closed with interrupted No. 2 silk sutures. The child was discharged on the 8th postoperative day without any complications. During 6 months of follow-up period, recurrence was not noticed.

• Pediatric Infection and Vaccine
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• 제24권3호
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• pp.178-182
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• 2017

우리나라에서 폐흡충증은 1960년대 까지만 해도 매우 흔하여 폐의 공동 병변을 일으키는 주요 감염 원인이었으나 현재는 매우 드문 감염병이 되었다. 16세 남자가 갑자기 열감, 기침, 객혈이 발생하여 가슴 X-선 영상검사를 실시하였고, 공기음영(air bubble)을 포함하고 있는 결절과 간유리 음영으로 세균학적으로 결핵균이 확인되지 않았으나 결핵으로 진단받고 항결핵제로 치료를 받았다. 항결핵제 치료 후에 더 이상 기침 등의 증상은 호소하지 않았으나 가슴 X-선 영상검사와 가슴 컴퓨터단층촬영검사에서 병변이 악화되어 비디오 흉강경 구역절제술을 실시 받았으며 조직검사에서 폐흡충란이 발견되어 폐흡충증으로 진단된 증례를 경험하여 보고하고자 한다.

• Journal of Chest Surgery
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• 제24권8호
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• pp.802-806
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• 1991

Primary neoplasms of the ribs and sternum are rare. Most primary bony chest wall neoplasms are malignant, and chondrosarcoma is the most common malignancy in this location The etiology of chondrosarcoma is unknown. Definitive diagnosis of chondrosarcoma can only be made pathologically. The natural history of chest wall chondrosarcoma is one of slow growth and local recurrence. Most tumors of the sternum require wide resection and reconstruction procedures, with potentially serious postoperative problems. Advances in chest wall reconstruction primarily through refinement in muscle transposition and clarification of the functional anatomy and blood supply of trunk muscles, has resulted in a more aggressive resection of the these tumors . Recently we experienced a case with chondrosarcoma of the sternum. A 56 year-old man was admitted to our hospital due to painless, slowly enlarging mass at the left sternoclavicular junctional area. The chest radiograph strongly suggested an underlying cartilaginous neoplasm owing to the appearance of typical flocculent and curvilinear calcifications within the lesion. On CT of the chest, the tumor exhibited a scalloped or lobulated contour, hypodensity of the nonmineralized component in comparison to adjacent muscle, and characteristic stippled cartilaginous matrix mineralization, also typical for cartilaginous neoplasm. The patient underwent wide resection of the chest wall tumor include with a 2-3cm margin of normal tissue on all sides and the thoracic skeletal defect was reconstructed with polytetrafluoroethylene [Gore-Tex] soft-tissue patch. Soft tissue reconstructive procedure was done with the pectoralis major muscle transposition. The patient had an uneventful postoperative course and discharged without adjuvant treatment such as radiation and chemotherapy.

• Journal of Chest Surgery
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• 제35권1호
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• pp.82-85
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• 2002

종격동에 발생하는 해면상 혈관종(cavernous hemangioma)은 매우 드문 양성종양이다. 환자는 3년 8개월 된 여아로서 내원 2개월 전 폐렴으로 입원하여 우연히 종격동 종양을 발견하였다. 단순 흉부 촬영상 좌측 전폐야에 걸쳐있는 비정상적인 음영이 있었으며 추가검사 후 수술적 절제를 시행하였다. 절제된 종괴는 약 15 $\times$ 10 cm크기의 해면상 혈관종으로 진단되었으며 수술 후 8일째 퇴원하여 이상소견 없이 외래 관찰중이다. 전 종격동에서 발생하여 좌측 전폐를 압박하고 있는 거대 해면상 혈관종을 수술 치험 하였기에 이를 보고하는바이다.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• 제8권2호
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• pp.243-246
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• 2005

급성 A형 간염에서 흉막 삼출은 드물게 발생하는 합병증으로 불리한 예후인자는 아니며 대개는 양성의 경과를 취한다. 저자들은 전신쇠약과 황달로 내원한 12세 여아에게서 A형 간염에 동반된 흉막 삼출을 진단 하였고 특별한 치료 없이 안정 후에 호전된 1예를 경험하였기에 보고하는 바이다.

• Journal of Chest Surgery
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• 제33권8호
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• pp.681-683
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• 2000

A 34 year-old woman was hospitalized with anterior chest pain and indigestion. Chest radiograph and computed tomogram revealed a sewing needle in the cardiac cavity. She had no histories of surgical intervention, drug abuse, or acupuncture. We removed the needle from the right ventricle under cardiopulmonary bypass.

• Korean Journal of Radiology
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• 제21권5호
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• pp.511-525
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• 2020

Chest X-ray radiography and computed tomography, the two mainstay modalities in thoracic radiology, are under active investigation with deep learning technology, which has shown promising performance in various tasks, including detection, classification, segmentation, and image synthesis, outperforming conventional methods and suggesting its potential for clinical implementation. However, the implementation of deep learning in daily clinical practice is in its infancy and facing several challenges, such as its limited ability to explain the output results, uncertain benefits regarding patient outcomes, and incomplete integration in daily workflow. In this review article, we will introduce the potential clinical applications of deep learning technology in thoracic radiology and discuss several challenges for its implementation in daily clinical practice.

• Tuberculosis and Respiratory Diseases
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• 제57권4호
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• pp.381-385
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• 2004

저자들은 클렙시엘라균종에 의한 폐렴에 동반된 폐 괴저를 수술적 치료없이 약물로만 호전시킨 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다.