title: Ring-shaped calcification of renal mass.
abstract: A case of peripherally calcified renal mass is presented which was interpreted as being a benign, calcified, developmental nephrogenic cyst. A differential diagnosis of calcified renal masses is presented.
mesh_terms: D000328:Adult; D002114:Calcinosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery; D011859:Radiography