Case Report
 
Fibrodysplasia ossificans progressiva diagnosed as ankylosing spondylitis: A case report
Sandesh S Thete1, Eknath D Pawar2, Gaurav Bafna3, Purushottam Pawar3
1MBBS, MS (Orthopedics), Assistant Professor, Department of Orthopedics, Government Medical College and Hospital, Aurangabad, Maharashtra, India.
2MBBS, MS (Orthopedics), Associate professor and head of Department, Department of Orthopedics, Government Medical College and Hospital, Aurangabad, Maharashtra, India.
3MBBS, MS (Orthopedics) Resident, Department of Orthopedics, Government Medical College and Hospital, Aurangabad, Maharashtra, India.

doi:10.5348/ijcri-2014-01-441-CR-14

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Dr. Sandesh Satendra Thete
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Aurangabad-431 001
Maharashtra
India, Postal Code: 431 001
Phone: +91-9028090420
Fax: +91240-2402418/19
Email: sandeshthete1985@gmail.com

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How to cite this article:
Thete SS, Pawar ED, Bafna G, Pawar P. Fibrodysplasia ossificans progressiva diagnosed as ankylosing spondylitis: A case report. International Journal of Case Reports and Images 2014;5(1):62–65.


Abstract
Introduction: Fibrodysplasia (myositis) ossificans progressiva is a rare and very crippling form of disease characterized by great toe malformation and heterotopic bone formation. We herein report a case of fibrodysplasia ossificans progressiva in whom the onset of complaints was after 20 years of age which led physicians to confuse this case with ankylosing spondylitis.
Case Report: A 35-year-old male was referred to us by a physician for operative management of multiple joint deformities secondary to ankylosing spondylitis. However, the history and radiological findings were not consistent with ankylosing spondylitis. Clinical finding of symmetrical valgus malformations of great toes and radiological findings of heterotopic ossifications at multiple sites clinched the diagnosis of fibrodysplasia ossificans progressiva. Plans of surgery were declined after discussion with patient.
Conclusion: Fibrodysplasia ossificans progressiva is an exceedingly uncommon genetic disorder. Erroneous diagnoses are very frequent and are commonly associated with apparent iatrogenic harm because of invasive diagnostic or potentially harmful therapeutic interventions. The correct diagnosis of fibrodysplasia ossificans progressiva can be made clinically even before radiographic evidence of heterotopic ossification is seen.

Keywords: Fibrodysplasia (myositis) ossificans progressiva (FOP), Ankylosing spondylitis, Heterotopic ossifications, Misdiagnoses


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Author Contributions
Sandesh S Thete – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Eknath D Pawar – Acquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Gaurav Bafna – cquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
PurushottamPawar – cquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
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The corresponding author is the guarantor of submission.
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Conflict of interest
Authors declare no conflict of interest.
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© Sandesh S Thete et al. 2014; This article is distributed the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any means provided the original authors and original publisher are properly credited. (Please see Copyright Policy for more information.)