Local recurrence of a parosteal osteosarcoma 21 years after incomplete resection

Parosteal osteosarcoma （POS） is the most common form of surface osteosarcoma. Its symptoms are insidious and its duration prior to diagnosis is considerably longer than that of other types of osteosarcoma. We report a case of POS with a growing mass but no evidence of metastasis. This tumor, which w...

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Bibliographic Details
Published in:Ai zheng 2011-12, Vol.30 (12), p.861-866
Main Authors: Combalia, Andrés, Muñoz-Mahamud, Ernesto, Palacín, Antonio, Pomés, Jaume, López, Vicente
Format: Article
Language:English
Subjects:
Adult
Bone Neoplasms - diagnosis
Bone Neoplasms - pathology
Bone Neoplasms - surgery
Case Research
Diagnostic Errors
Follow-Up Studies
Humans
Humerus
Magnetic Resonance Imaging
Male
Neoplasm Recurrence, Local
Osteosarcoma, Juxtacortical - diagnosis
Osteosarcoma, Juxtacortical - pathology
Osteosarcoma, Juxtacortical - surgery
POS
Radiopharmaceuticals
Technetium Tc 99m Medronate
Tomography, Emission-Computed
Tomography, X-Ray Computed
不完全
复发
持续时间
症状
肿瘤
诊断
骨肉瘤
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Summary:Parosteal osteosarcoma （POS） is the most common form of surface osteosarcoma. Its symptoms are insidious and its duration prior to diagnosis is considerably longer than that of other types of osteosarcoma. We report a case of POS with a growing mass but no evidence of metastasis. This tumor, which was diagnosed as calcified hematoma with benign characteristics, was incompletely resected in our hospital 21 years before the diagnosis of recurrence. The patient underwent a wide en bloc resection in our hospital and was free of symptoms, with no signs of tumor recurrence or metastasis during a 53- month follow-up.
ISSN:1000-467X
1944-446X
DOI:10.5732/cjc.011.10090