title: [A case of retroperitoneal tumor with an osteoid-productive structure. Clinical and histogenetic considerations].
mesh_terms: D000368:Aged; D003110:Colonic Neoplasms; D005260:Female; D006801:Humans; D008643:Mesentery; D008646:Mesocolon; D009221:Myositis Ossificans / Q000175:diagnosis*; D009362:Neoplasm Metastasis; D010016:Osteoma / Q000175:diagnosis* / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000473:pathology
vernacular_title: Su di un caso di tumore retroperitoneale a struttura osteoido-produttiva. Considerazioni cliniche ed istogenetiche