16 April 2026
: Case report 
Granulomatosis with Polyangiitis (Wegener Granulomatosis) Presenting as a Pancreatic Mass: A Rare Malignancy Mimic
Unusual clinical course, Challenging differential diagnosis, Unusual setting of medical care
Soumyadip Sain
ABEF 1*, Subhashish Das ADF 1, Vinant Bhargava BDF 2, Sunila Jain BCD 3, Samiran Nundy BCDEF 1
DOI: 10.12659/AJCR.951707
Am J Case Rep 2026; 27:e951707
Figure 5 CT angiography of abdomen with pancreatic protocol: loss of lobulations in the pancreatic tail region. Compared with the previous scan, the ill-defined hypodense lesion is no longer visible. (A) Non-contrast phase, (B) arterial phase, (C) venous phase, (D) delayed phase. CT – computed tomography.