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báo cáo khoa học: " Computed tomography imaging of subpleural lipoma in two men: two case reports"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Computed tomography imaging of subpleural lipoma in two men: two case reports | Karlo et al. Journal of Medical Case Reports 2010 4 380 http www.jmedicalcasereports.eom content 4 1 380 jAg JOURNALOF medical ÌỤr case REPORTS CASE REPORT Open Access Computed tomography imaging of subpleural lipoma in two men two case reports Christoph A Karlo Paul Stolzmann Thomas Frauenfelder Olivio F Donati Sebastian Leschka Abstract Introduction Subpleural lipomas are very rare pleural lesions and are often discovered incidentally in asymptomatic patients on conventional radiographs. Case presentations We report two cases of subpleural lipomas and describe their imaging characteristics on chest radiographs and computed tomography. We describe the cases of two Caucasian men aged 77 and 62 years old. Conclusions For non-invasive diagnostic investigation computed tomography enables the identification and quantification of these tumors due to their characteristic fat attenuation. Introduction Lipomas in general are encapsulated homogeneous mesenchymal slow growing tumors that arise in adipose tissue. Although they account for the most common benign soft tissue tumors in humans intra-thoracic lipomas are considered rare. Subpleural lipomas are parenchymal fat-containing lesions of the chest where they arise from the submesothelial layers of the pleura parie-talis and may extend into the subpleural pleural or extrapleural space 1 . Most patients remain asymptomatic and the lipoma is found incidentally on a chest radiograph or a computed tomography CT examination. Since only a few cases have been published in the recent literature we wanted to report two cases of sub-pleural lipomas with imaging findings from chest radiographs and CT examinations. Case presentations Case 1 A 77-year-old Caucasian man was referred to our hospital with a three-month history of recurring chest pain increasing in intensity over the last few days. He was a smoker and suffered from high blood pressure however he has refused antihypertensive medication since diagnosis. In 2006 he underwent