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Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder

BACKGROUND: Synovial osteochondromatosis (SOC) of the shoulder is a rare condition with unclear characteristics. This study evaluated the clinical features and postoperative functional outcomes of SOC of the shoulder that are distinct from SOC of other joints. METHODS: The characteristics of 28 shou...

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Autores principales: Liu, Bei, Kim, Sae Hoon, Jang, Young Hoon, Rhee, Sung-Min, Yoo, Jae Chul, Kim, Su Cheol, Rhee, Yong Girl, Oh, Joo Han
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Korean Orthopaedic Association 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9880507/
https://www.ncbi.nlm.nih.gov/pubmed/36779001
http://dx.doi.org/10.4055/cios22078
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author Liu, Bei
Kim, Sae Hoon
Jang, Young Hoon
Rhee, Sung-Min
Yoo, Jae Chul
Kim, Su Cheol
Rhee, Yong Girl
Oh, Joo Han
author_facet Liu, Bei
Kim, Sae Hoon
Jang, Young Hoon
Rhee, Sung-Min
Yoo, Jae Chul
Kim, Su Cheol
Rhee, Yong Girl
Oh, Joo Han
author_sort Liu, Bei
collection PubMed
description BACKGROUND: Synovial osteochondromatosis (SOC) of the shoulder is a rare condition with unclear characteristics. This study evaluated the clinical features and postoperative functional outcomes of SOC of the shoulder that are distinct from SOC of other joints. METHODS: The characteristics of 28 shoulders with SOC that underwent arthroscopy were retrospectively assessed. Ten shoulders (35.7%) had rotator cuff tears (RCTs) and underwent concomitant arthroscopic rotator cuff repair. The mean follow-up period was 83.6 months (range, 24–154 months). Demographic characteristics and loose bodies localized under arthroscopy were compared between cases with and without concomitant RCTs. Radiography, ultrasonography, or magnetic resonance imaging were performed preoperatively and postoperatively. Visual analog scale (VAS) scores for pain and satisfaction were evaluated for all cases, and functional scores were assessed in shoulders with concomitant RCTs. RESULTS: The average age was 36.2 ± 15.6 years among patients without RCTs and 58.3 ± 7.2 years among patients with RCTs. Seven shoulders (7%) had osteoarthritis. Arthroscopy revealed loose bodies in multiple spaces, including the glenohumeral joint, subacromial (SA) space, and biceps tendon sheath. Overall, loose bodies were found in multiple spaces in 12 shoulders (42.9%). Loose bodies were found in the SA space only in 4 shoulders (22.2%) without RCTs and in 7 shoulders (70.0%) with RCTs. VAS for pain decreased significantly from 3.9 ± 2.3 to 1.1 ± 1.3 (p < 0.001). The functional scores increased significantly after arthroscopic management for patients with concurrent RCTs (all p < 0.05). Recurrence of SOC occurred in 3 of the 22 shoulders (13.6%) who underwent postoperative imaging, but no patient had a recurrent RCT. CONCLUSIONS: Pain relief and patient satisfaction were achieved via arthroscopic management. Unlike in other joints, loose bodies can occur simultaneously in several spaces in the shoulder, including the glenohumeral joint, SA space, and biceps tendon sheath. Early diagnosis of SOC of the SA space can help prevent osteoarthritis and RCT progression.
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spelling pubmed-98805072023-02-09 Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder Liu, Bei Kim, Sae Hoon Jang, Young Hoon Rhee, Sung-Min Yoo, Jae Chul Kim, Su Cheol Rhee, Yong Girl Oh, Joo Han Clin Orthop Surg Original Article BACKGROUND: Synovial osteochondromatosis (SOC) of the shoulder is a rare condition with unclear characteristics. This study evaluated the clinical features and postoperative functional outcomes of SOC of the shoulder that are distinct from SOC of other joints. METHODS: The characteristics of 28 shoulders with SOC that underwent arthroscopy were retrospectively assessed. Ten shoulders (35.7%) had rotator cuff tears (RCTs) and underwent concomitant arthroscopic rotator cuff repair. The mean follow-up period was 83.6 months (range, 24–154 months). Demographic characteristics and loose bodies localized under arthroscopy were compared between cases with and without concomitant RCTs. Radiography, ultrasonography, or magnetic resonance imaging were performed preoperatively and postoperatively. Visual analog scale (VAS) scores for pain and satisfaction were evaluated for all cases, and functional scores were assessed in shoulders with concomitant RCTs. RESULTS: The average age was 36.2 ± 15.6 years among patients without RCTs and 58.3 ± 7.2 years among patients with RCTs. Seven shoulders (7%) had osteoarthritis. Arthroscopy revealed loose bodies in multiple spaces, including the glenohumeral joint, subacromial (SA) space, and biceps tendon sheath. Overall, loose bodies were found in multiple spaces in 12 shoulders (42.9%). Loose bodies were found in the SA space only in 4 shoulders (22.2%) without RCTs and in 7 shoulders (70.0%) with RCTs. VAS for pain decreased significantly from 3.9 ± 2.3 to 1.1 ± 1.3 (p < 0.001). The functional scores increased significantly after arthroscopic management for patients with concurrent RCTs (all p < 0.05). Recurrence of SOC occurred in 3 of the 22 shoulders (13.6%) who underwent postoperative imaging, but no patient had a recurrent RCT. CONCLUSIONS: Pain relief and patient satisfaction were achieved via arthroscopic management. Unlike in other joints, loose bodies can occur simultaneously in several spaces in the shoulder, including the glenohumeral joint, SA space, and biceps tendon sheath. Early diagnosis of SOC of the SA space can help prevent osteoarthritis and RCT progression. The Korean Orthopaedic Association 2023-02 2023-01-13 /pmc/articles/PMC9880507/ /pubmed/36779001 http://dx.doi.org/10.4055/cios22078 Text en Copyright © 2023 by The Korean Orthopaedic Association https://creativecommons.org/licenses/by-nc/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0 (https://creativecommons.org/licenses/by-nc/4.0/) ) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Liu, Bei
Kim, Sae Hoon
Jang, Young Hoon
Rhee, Sung-Min
Yoo, Jae Chul
Kim, Su Cheol
Rhee, Yong Girl
Oh, Joo Han
Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder
title Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder
title_full Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder
title_fullStr Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder
title_full_unstemmed Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder
title_short Synovial Osteochondromatosis: Clinical Characteristics Unique to the Shoulder
title_sort synovial osteochondromatosis: clinical characteristics unique to the shoulder
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9880507/
https://www.ncbi.nlm.nih.gov/pubmed/36779001
http://dx.doi.org/10.4055/cios22078
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