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Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report

INTRODUCTION: Intra-articular ganglion cysts of the knee joint are rare occurrences. They are usually encountered as incidental findings in magnetic resonance imaging (MRI), or in arthroscopy. They may originate from both the cruciate ligaments and the menisci, from the popliteus tendon and alar fol...

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Autores principales: Saha, Partha, Bandyopadhyay, Utpal, Mukhopadhyay, Anindya S., Kundu, Srikanta, Mandal, Subhadip
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Indian Orthopaedic Research Group 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4719408/
https://www.ncbi.nlm.nih.gov/pubmed/27299075
http://dx.doi.org/10.13107/jocr.2250-0685.313
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author Saha, Partha
Bandyopadhyay, Utpal
Mukhopadhyay, Anindya S.
Kundu, Srikanta
Mandal, Subhadip
author_facet Saha, Partha
Bandyopadhyay, Utpal
Mukhopadhyay, Anindya S.
Kundu, Srikanta
Mandal, Subhadip
author_sort Saha, Partha
collection PubMed
description INTRODUCTION: Intra-articular ganglion cysts of the knee joint are rare occurrences. They are usually encountered as incidental findings in magnetic resonance imaging (MRI), or in arthroscopy. They may originate from both the cruciate ligaments and the menisci, from the popliteus tendon and alar folds, infrapatellar fat pad of Hoffa, and subchondral bone cysts. Those arising from the Hoffa’s fat pad, usually present as palpable mass at anterior aspect of the knee joint. We report a case of intraarticular ganglion cyst of knee arising from the infrapatellar fat pad and protruding anterolaterally through retinacular rent into the subcutaneous plane. CASE REPORT: A 19-year-old young man, presented with a painless gradually increasing swelling at the anterior aspect of left knee of 9 months duration. MRI scan revealed a multilobulated, cyst with septations within the anterior aspect of the knee joint, just inferolateral to the patella, with deep extension into the infrapatellar fat pad, and superficial extension into the subcutaneous space across the retinaculum. After diagnostic arthroscopy, we performed an open excision of the cystic mass and confirmed the retinacular rent pre-operatively. CONCLUSION: Arthroscopic resection and debridement is the gold standard treatment in ganglion cyst of the knee. However, a subcutaneous extension may lead to incomplete arthroscopic resection: Leaving behind the residual tissue which may cause recurrence. Therefore, proper pre-operative evaluation of MR images of these cases is very important.
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spelling pubmed-47194082016-06-13 Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report Saha, Partha Bandyopadhyay, Utpal Mukhopadhyay, Anindya S. Kundu, Srikanta Mandal, Subhadip J Orthop Case Rep Case Report INTRODUCTION: Intra-articular ganglion cysts of the knee joint are rare occurrences. They are usually encountered as incidental findings in magnetic resonance imaging (MRI), or in arthroscopy. They may originate from both the cruciate ligaments and the menisci, from the popliteus tendon and alar folds, infrapatellar fat pad of Hoffa, and subchondral bone cysts. Those arising from the Hoffa’s fat pad, usually present as palpable mass at anterior aspect of the knee joint. We report a case of intraarticular ganglion cyst of knee arising from the infrapatellar fat pad and protruding anterolaterally through retinacular rent into the subcutaneous plane. CASE REPORT: A 19-year-old young man, presented with a painless gradually increasing swelling at the anterior aspect of left knee of 9 months duration. MRI scan revealed a multilobulated, cyst with septations within the anterior aspect of the knee joint, just inferolateral to the patella, with deep extension into the infrapatellar fat pad, and superficial extension into the subcutaneous space across the retinaculum. After diagnostic arthroscopy, we performed an open excision of the cystic mass and confirmed the retinacular rent pre-operatively. CONCLUSION: Arthroscopic resection and debridement is the gold standard treatment in ganglion cyst of the knee. However, a subcutaneous extension may lead to incomplete arthroscopic resection: Leaving behind the residual tissue which may cause recurrence. Therefore, proper pre-operative evaluation of MR images of these cases is very important. Indian Orthopaedic Research Group 2015 /pmc/articles/PMC4719408/ /pubmed/27299075 http://dx.doi.org/10.13107/jocr.2250-0685.313 Text en Copyright: © Indian Orthopaedic Research Group http://creativecommons.org/licenses/by-nc-sa/3.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc-sa/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Case Report
Saha, Partha
Bandyopadhyay, Utpal
Mukhopadhyay, Anindya S.
Kundu, Srikanta
Mandal, Subhadip
Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report
title Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report
title_full Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report
title_fullStr Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report
title_full_unstemmed Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report
title_short Ganglion Cyst of Knee from Hoffa’s Fat Pad Protruding Anterolaterally Through Retinacular Rent: A Case Report
title_sort ganglion cyst of knee from hoffa’s fat pad protruding anterolaterally through retinacular rent: a case report
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4719408/
https://www.ncbi.nlm.nih.gov/pubmed/27299075
http://dx.doi.org/10.13107/jocr.2250-0685.313
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