ABSTRACT
Objective:To investigate the ultrasound image and pathological features of invasive fibromatosis, and to provide a basis for the diagnosis of invasive fibromatosis.Methods:The clinicopathological data of 22 patients pathologically diagnosed with invasive fibromatosis from January 2016 to March 2019 in Shanxi Provincial Cancer Hospital were retrospectively analyzed. The clinical, ultrasound and pathological data were also summarized.Results:Ultrasound images of invasive fibromatosis showed irregular morphology, unclear boundaries, uneven echo, spot-like or strip-shaped blood flow signals. The coincidence rate of ultrasound diagnosis was 59.1% (13/22), 3 cases were misdiagnosed as fibrous, fat and other sarcomas, 4 cases were misdiagnosed as nerve-derived tumors, 1 case was misdiagnosed as nodular fasciitis, and 1 case was misdiagnosed as gastrointestinal stromal tumor. The pathological characteristics of invasive fibromatosis were more typical, and the positive expression rate of vimentin and β-catenin in immunohistochemistry was 100.0% (22/22); the coincidence rate of preoperative pathological diagnosis of puncture was 78.6% (11/14), 1 case was misdiagnosed as nerve fiber tumor, 1 case was misdiagnosed as low-grade fibromyxoid sarcoma, and 1 case was misdiagnosed as nodular fasciitis.Conclusion:Invasive fibromatosis has a certain specificity in ultrasound and pathological diagnosis, which can be diagnosed and differentially diagnosed according to the ultrasound image and pathological characteristics.