title: Nodular fasciitis in the axillary tail of the breast.
abstract: Nodular fasciitis is a benign proliferation of myofibroblasts which presents clinically as a rapidly growing mass with nonspecific features on imaging and high cellular activity on histopathology. Nodular fasciitis can be mistaken for malignant fibrous lesions such as soft tissue sarcoma or breast carcinoma when located within breast tissue. This presents a problem for appropriate treatment planning as the natural history of nodular fasciitis is spontaneous regression. We present the mammographic, sonographic, computed tomography, and histopathologic characteristics of nodular fasciitis in a 68 year female initially presenting with a rapidly enlarging right axillary mass.
authors.affiliation: Department of Radiology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA.
authors.forename: Dejan
authors.initials: D
authors.lastname: Samardzic
authors.affiliation: Department of Radiology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA.
authors.forename: Alison
authors.initials: A
authors.lastname: Chetlen
authors.affiliation: Department of Pathology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA.
authors.forename: Jozef
authors.initials: J
authors.lastname: Malysz
mesh_terms: D000368:Aged; D001365:Axilla / Q000473:pathology*; D001707:Biopsy, Needle; D001940:Breast / Q000473:pathology*; D001941:Breast Diseases / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D005208:Fasciitis / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D012075:Remission, Spontaneous; D014057:Tomography, X-Ray Computed
keywords: Axilla; Benign mesenchymal tumors of the breast; Computed Tomography; Mammography; Nodular fasciitis