Purpose: To study the possible relationship between mesenteric panniculitis (MP) visible on computed tomography (CT) and the presence of an underlying neoplastic disease.
Patients And Methods: A retrospective analysis of 158 patients with CT examinations that revealed the presence of MP was performed. CT images were analyzed by two different radiologists using morphological criteria validated in the radiological literature. The presence, frequency and type of neoplastic lesions associated with MP were assessed.
Results: MP was asymptomatic in 96/158 patients (61%). Fat halo sign and pseudocapsule were visible on CT in 89/158 (56%) and 93/158 (59%) patients, respectively. Underlying neoplastic disease was present in 88/158 patients (56%). The neoplastic diseases most often associated with MP were lymphoma (28%), melanoma (18%), colorectal cancer (15%) and prostate cancer (13%).
Conclusion: MP has typical CT appearance and is associated with underlying neoplastic disease in 56% of patients. Such levels of association might suggest that MP may be considered as a paraneoplastic condition. Hence, incidental depiction of MP on CT in a patient without known neoplastic disease should incite radiologists to further scrutinize CT examination for presence of synchronous neoplastic lesions.
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