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Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation

INTRODUCTION: Osteochondroma is the most common primary benign bone tumor. It’s radiologic characteristics are often pathognomonic. Osteochondromas usually occur at the metaphysis of long bones. The distal end of femur, proximal humerus, proximal tibia, and fibula are the common locations. Most case...

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Autores principales: Jagdale, Nishant, Mahamuni, Rahul, Pundkar, Akshay
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Indian Orthopaedic Research Group 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10152940/
https://www.ncbi.nlm.nih.gov/pubmed/37144075
http://dx.doi.org/10.13107/jocr.2023.v13.i02.3548
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author Jagdale, Nishant
Mahamuni, Rahul
Pundkar, Akshay
author_facet Jagdale, Nishant
Mahamuni, Rahul
Pundkar, Akshay
author_sort Jagdale, Nishant
collection PubMed
description INTRODUCTION: Osteochondroma is the most common primary benign bone tumor. It’s radiologic characteristics are often pathognomonic. Osteochondromas usually occur at the metaphysis of long bones. The distal end of femur, proximal humerus, proximal tibia, and fibula are the common locations. Most cases present within the first three decades. CASE REPORT: A 12-year-old boy presented with osteochondroma of left acromion process. It is very unusual for its location with a mass over the left shoulder extending laterally into deltoid muscle. Radiologic studies showed large pedunculated mass arising from the acromion process. On surgical exploration, we found a pedunculated and well encapsulated mass on the lateral aspect of the left shoulder with a thin hyaline cartilaginous cap. The mass was carefully separated from nearby structures and resected en bloc. RESULTS: No post-operative complications were noticed. Patient was prescribed physiotherapy and we have him advised 6-month follow-up till skeletal maturity. Patient had complete range of motion at the last follow-up. He was able to do his all daily activities. CONCLUSION: The acromion is very rare site for osteochondroma with mass extending into lateral deltoid muscle. Careful blunt dissection and protection of nearby structures and fairly good learning curve of surgeon is needed in operating such cases.
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spelling pubmed-101529402023-05-03 Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation Jagdale, Nishant Mahamuni, Rahul Pundkar, Akshay J Orthop Case Rep Case Report INTRODUCTION: Osteochondroma is the most common primary benign bone tumor. It’s radiologic characteristics are often pathognomonic. Osteochondromas usually occur at the metaphysis of long bones. The distal end of femur, proximal humerus, proximal tibia, and fibula are the common locations. Most cases present within the first three decades. CASE REPORT: A 12-year-old boy presented with osteochondroma of left acromion process. It is very unusual for its location with a mass over the left shoulder extending laterally into deltoid muscle. Radiologic studies showed large pedunculated mass arising from the acromion process. On surgical exploration, we found a pedunculated and well encapsulated mass on the lateral aspect of the left shoulder with a thin hyaline cartilaginous cap. The mass was carefully separated from nearby structures and resected en bloc. RESULTS: No post-operative complications were noticed. Patient was prescribed physiotherapy and we have him advised 6-month follow-up till skeletal maturity. Patient had complete range of motion at the last follow-up. He was able to do his all daily activities. CONCLUSION: The acromion is very rare site for osteochondroma with mass extending into lateral deltoid muscle. Careful blunt dissection and protection of nearby structures and fairly good learning curve of surgeon is needed in operating such cases. Indian Orthopaedic Research Group 2023-02 2023-02 /pmc/articles/PMC10152940/ /pubmed/37144075 http://dx.doi.org/10.13107/jocr.2023.v13.i02.3548 Text en Copyright: © Indian Orthopaedic Research Group https://creativecommons.org/licenses/by-nc-sa/4.0/This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Unported, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms
spellingShingle Case Report
Jagdale, Nishant
Mahamuni, Rahul
Pundkar, Akshay
Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation
title Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation
title_full Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation
title_fullStr Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation
title_full_unstemmed Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation
title_short Osteochondroma of the Acromion Process: A Rare Case with an Unusual Presentation
title_sort osteochondroma of the acromion process: a rare case with an unusual presentation
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10152940/
https://www.ncbi.nlm.nih.gov/pubmed/37144075
http://dx.doi.org/10.13107/jocr.2023.v13.i02.3548
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