en Radiation Biology Radiation Biology مطالعه موردي Case Report <div style="text-align: justify;"><span style="font-size:10pt"><span style="text-justify:newspaper"><span style="text-kashida-space:50%"><span style="line-height:119%"><span style="font-family:Calibri"><span style="color:black"><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-US">Pulmonary ventilation/perfusion (V/Q) scintigraphy is often used for the diagnosis of pulmonary embolism. However, it should be noted that the perfusion defect shown by pulmonary perfusion imaging is not the only manifestation of pulmonary embolism. Any disease that causes pulmonary vasculature stenosis and occlusion can cause pulmonary blood flow perfusion impaired. We report a case </span></span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-US">of fibrosing mediastinitis (FM) with pulmonary hypertension as a complication of pulmonary artery and pulmonary vein stenosis. </span></span></span></span><span lang="en-US" style="font-size:9.0pt"><span style="font-family:Calibri"><span style="color:black"><span style="language:en-US">Based on clinical symptoms, laboratory test and multiple radiographic findings, the diagnosis of FM was established. The patient underwent balloon dilation and stent implantation of right upper lobe pulmonary vein, as well as balloon dilatation of right upper lobe pulmonary&nbsp;artery, whose symptoms was immediately improved during the following investigation.</span></span></span></span></span></span></span></span></span></span></div> pulmonary perfusion scintigraphy, fibrosing mediastinitis, pulmonary artery stenosis, pulmonary vein stenosis, interventional therapy, SPECT/CT. 893 896 http://ijrr.com/browse.php?a_code=A-10-1-996&slc_lang=en&sid=1 R. Wang 7900319475328460022769 7900319475328460022769 No Department of Nuclear Medicine, Gansu Provincial Hospital, Lanzhou 730000, China Z. LI 7900319475328460022770 7900319475328460022770 No First Clinical Medical College of Gansu University of Chinese Medicine, Lanzhou 730000, China Y. Wang 7900319475328460022771 7900319475328460022771 No Department of Nuclear Medicine, Gansu Provincial Hospital, Lanzhou 730000, China H. Wang whj1425@126.com 7900319475328460022772 7900319475328460022772 Yes Department of Nuclear Medicine, Gansu Provincial Hospital, Lanzhou 730000, China