Giant Cell Arteritis Causing Isolated Pulmonary Artery Aneurysm.

Ivka R Stimach, Adil F Vural, Marissa Edmiston, Ahmed Elghawy, Celeste Santos Martins, Mohamed Farhan Nasser

Abstract readCase Reports

In one paragraph

Article in JACC. Case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Ivka R StimachDepartment of Internal Medicine, MetroHealth Medical Center/Case Western Reserve University, Cleveland, Ohio, USA. Electronic address: istimach@metrohealth.org.

Adil F VuralDepartment of Rheumatology, Cleveland Clinic Foundation, Cleveland, Ohio, USA.

Marissa EdmistonHeart and Vascular Center, MetroHealth Medical Center/Case Western Reserve University, Cleveland, Ohio, USA.

Ahmed ElghawyDepartment of Arthritis & Rheumatology, Mount Sinai Medical Center, Miami Beach, Florida, USA.

Celeste Santos MartinsPathology & Laboratory Medicine Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA.

Mohamed Farhan NasserHeart and Vascular Center, MetroHealth Medical Center/Case Western Reserve University, Cleveland, Ohio, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPulmonary artery aneurysm (PAA) is considered a rare finding, with an estimated incidence of 1 in 14,000. CASE SUMMARY: We present a case of PAA caused by giant cell arteritis isolated to the pulmonary artery, in which surgical intervention followed by clinical monitoring was pursued over immunosuppressive therapy. DISCUSSION: The etiology of PAAs is variable, with reported cases found to be secondary to malignancy, infection, congenital diseases, autoimmune diseases, and vasculitis. Of the reported cases for vasculitis, one of the rarer etiologies includes giant cell arteritis, an autoimmune vasculitis involving large and medium-sized vessels such as the temporal artery and aorta, and the great vessels. TAKE-HOME MESSAGES: This case highlights a rare vasculitic etiology of pulmonary artery aneurysm formation. Prompt recognition and surgical intervention may prevent serious complications, especially in aneurysms at unusual sites.

Indexed as

giant cell arteritispulmonary artery aneurysm

Identifiers

PMID41379046

DOI10.1016/j.jaccas.2025.106235

PMCPMC12881264

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