Sharma Ambika, Rajawat Govind Singh, Gupta Mahesh
Assistant Professor, Department of Respiratory Medicine, SMS Medical College, Jaipur, Rajasthan, India, Corresponding Author.
Associate Professor, Department of Respiratory Medicine, SMS Medical College, Jaipur, Rajasthan, India.
J Assoc Physicians India. 2025 Jul;73(7):103. doi: 10.59556/japi.73.1040.
A 35-year-old male nonsmoker presented with complaints of left-sided dull aching chest pain and dry cough for 20 days. A chest radiograph showed a left hilar mass. Computed tomography of the chest showed a heterogenous mass in the hilar region involving the left main bronchus. On multiplanar reconstruction coronal images, an incidental finding of tracheal bronchus or "pig bronchus" (white arrow, Fig. 1A) was noted. Flexible bronchoscopy was performed to biopsy the mass lesion where an accessory bronchial opening (white arrow) at the right tracheal wall just prior to the main carina (black arrow) was seen (Fig. 1B). This tracheal bronchus was serving the right upper lobe and had normal apical, posterior, and anterior segments. It is also known as "pig bronchus" (bronchus suis) or "true tracheal bronchus." The right mainstem bronchus was the bronchus intermedius, which was further dividing into middle and lower lobe bronchi.
一名35岁不吸烟男性因左侧胸部隐痛和干咳20天前来就诊。胸部X线片显示左肺门肿块。胸部计算机断层扫描显示肺门区域有一个异质性肿块，累及左主支气管。在多平面重建冠状位图像上，偶然发现气管支气管或“猪支气管”（白色箭头，图1A）。进行了柔性支气管镜检查以对肿块病变进行活检，在主隆突（黑色箭头）之前的右气管壁处可见一个副支气管开口（白色箭头）（图1B）。这条气管支气管为右上叶供血，其尖段、后段和前段正常。它也被称为“猪支气管”（支气管猪）或“真性气管支气管”。右主支气管为中间支气管，进一步分为中叶和下叶支气管。
