Interruption of the right middle and lower lobe pulmonary arteries combined with arterial aneurysm formation at the origin of the right subclavian artery branch: a case report - Takeaways - MDSpire

Interruption of the right middle and lower lobe pulmonary arteries combined with arterial aneurysm formation at the origin of the right subclavian artery branch: a case report

  • By

  • Chengshi Hou

  • Guocheng Zhao

  • May 18, 2026

Share

  • 1

    A 64-year-old female presented with interrupted pulmonary arteries in the right middle and lower lobes and a right subclavian artery aneurysm.

  • 2

    CT pulmonary angiography confirmed congenital interruption of the right middle and lower lobe pulmonary arteries with collateral circulation and pulmonary hypertension.

  • 3

    The patient's symptoms included chest tightness and shortness of breath, with elevated D-dimer levels prompting further imaging evaluation.

  • 4

    Treatment focused on managing pulmonary hypertension and conservative monitoring of the right subclavian artery aneurysm due to the patient's stable condition.

  • 5

    Regular follow-up assessments showed stable blood pressure, lipid levels, and no progression of pulmonary arterial hypertension or aneurysm enlargement.

Original Source(s)

Interruption of the right middle and lower lobe pulmonary arteries combined with arterial aneurysm formation at the origin of the right subclavian artery branch: a case report

  • by Chengshi Hou, Guocheng Zhao

  • May 18, 2026

Related Content

Flu Hospitalization Tied to Diabetes Risk

A large English cohort study found influenza hospitalization more than doubled the short-term risk of new-onset diabetes, with prediabetes and critical care admission among the strongest predictors.

Recent Rates of Systemic Treatment for Metastatic NSCLC in Older Adults

In a cohort study reported in JAMA Oncology, Fox et al found that approximately half of older patients with metastatic non–small cell lung cancer (NSCLC) have received systemic therapy in the United S...

E-Cigarette Devices Linked to Inhaled Metal Exposure 

Device-to-tissue mass spectrometry traces metal emissions from e-cigarette components into exposed lung sections

  • May 12, 2026

  • 3 min