Diagnostic imaging and CEUS findings in a rare case of Desmoid-type fibromatosis. A case report

Abstract

Desmoid-type fibromatosis (DF), also known as aggressive fibromatosis, is a locally aggressive benign fibroblastic neoplasm that can infiltrate or recur but cannot metastasize. It is rare, with an estimated annual incidence of two to four new cases per million people. Most DFs occur sporadically, but it may also be associated with the hereditary syndrome familial adenomatous polyposis. Treatment is necessary when the disease is symptomatic, especially in case of compression of critical structures. When possible, surgical resection is the treatment of choice; however, recurrence is common. Due to the high rate of recurrence, imaging plays an important role not only in diagnosis, but also in the management of DF. Although there are a number of studies describing CT and MRI findings of DF, there is no description of contrast-enhanced ultrasound findings.

Multimodality Imaging Assessment of Desmoid Tumors: The Great Mime in the Era of Multidisciplinary Teams

“…To the best of our knowledge, one study described CEUS appearance in abdominal DT [ 135 ], with the early enhancement of the contrast agent and very long wash-out, a typical pattern of benign lesions probably due to the presence of fibrotic tissue [ 135 ]. Xu et al described CEUS appearance in 19 cases of superficial DF: the tumors were hyperenhanced, with an enhanced pattern of rapid wash-in and slow wash-out [ 136 ].…”