05 February 2026
: Case report 
Giant Cell Arteritis/Polymyalgia Rheumatica and Atypical Pulmonary Carcinoid Tumor: A Paraneoplastic Syndrome?
Rare coexistence of disease or pathology
Omar Al Tabaa
ABE 1*, Sabrina Hamroun E 1, Khaled Al Tabaa F 2, Roxana Poll A 3, Waad Al Sheikh A 4, Edouard Pertuiset AEF 1
DOI: 10.12659/AJCR.950346
Am J Case Rep 2026; 27:e950346
Figure 2 PET-TDM. (A) PET-TDM at diagnosis on June 2024 showing large, intensely hypermetabolic mediastinal lesion (white arrow) and bilateral scapulohumeral hypermetabolic involvement of moderate intensity associated with metabolic involvement in favor of cervical and lumbar bursitis and bilateral trochanteric involvement (black arrows), with no significant vascular metabolic damage to medium-large-caliber arteries. (B) PET-TDM on October 2024 showing disappearance of periarticular metabolic activity in the limb girdles and decrease in hypermetabolic mass of posterior mediastinum. SUV max 8.9 and VTM 15.9 cm2 versus SUV max 10.9 and VTM 59.3 cm2.