Osteoblastic osteosarcoma in monostotic Paget's disease

Teresa Calabrò, Andreas F. Mavrogenis, Pietro Ruggieri

Research output: Contribution to journalArticlepeer-review


Paget's disease is a disorder of bone remodelling affecting 1-2% of the general population, most frequently men over 50 years of age. Sarcomatous degeneration occurs in 0.1-0.95% of patients with Paget's disease. It can be observed in monostotic and polyostotic disease. Osteosarcomas account for more than 80% of pagetic sarcomas; osteoblastic pagetic osteosarcomas are rare. In this article, we present the case of a 75-year-old man with secondary osteosarcoma arising in monostotic Paget's disease, initially misdiagnosed as rotator cuff tendinopathy. Imaging studies and biopsy were diagnostic.

Original languageEnglish
Pages (from-to)37-40
Number of pages4
JournalMusculoskeletal Surgery
Issue number1
Publication statusPublished - 2011


  • Osteoblastic osteosarcoma
  • Paget's disease
  • Pagetic sarcoma

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery


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