title: CT findings of pleomorphic hyalinizing angiectatic tumor (PHAT) of soft parts of the neck.
abstract: Pleomorphic hyalinizing angiectatic tumor (PHAT) is a rare and recently recognized mesenchymal tumor with intermediate malignant potential, most of which arises in the soft tissue of the extremities with obvious specificity on histopathology. Here, we report a case of CT findings of PHAT arising from the posterior neck as a 3.4 × 4 × 5-cm mass in a 35-year-old woman. Precontrast CT showed an ill-defined, inhomogenous and oval-shaped mass. On contrast-enhanced CT, the mass appeared well defined except for a very small part, most of which showed marked and heterogenous enhancement, with a maximum CT value of 161 HU, which was almost identical to that of the vessels.
authors.affiliation: Department of Radiology, The Second Affiliated Hospital of Zhejiang University, College of Medicine, 88th Jiefang Road, Hangzhou, 310009 Zhejiang, China. pacify-kuang@163.com
authors.forename: Pingding
authors.initials: P
authors.lastname: Kuang
mesh_terms: D000328:Adult; D003287:Contrast Media; D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic; D005260:Female; D006801:Humans; D006818:Hyalin; D009333:Neck; D011237:Predictive Value of Tests; D012680:Sensitivity and Specificity; D012983:Soft Tissue Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media