The radiographic morphology of the greater tuberosity is associated with muscle degeneration in patients with symptomatic rotator cuff tears

Hao Chun Chuang, Chih Kai Hong, Kai-Lan Hsu, Fa-Chuan Kuan, Cheng-Li Lin, Wei-Ren Su

Research output: Contribution to journalArticle

Abstract

Background: Atrophy and fatty infiltration of the rotator cuff muscles portend poor findings in terms of postoperative function and the probability of retears. We assumed that sclerosis and spurs of the greater tuberosity (GT) on radiographs are associated with this rotator cuff muscle degeneration. Methods: We retrospectively reviewed the preoperative radiographs and magnetic resonance (MR) images of 91 shoulders (average age of patients, 59.7 years; age range, 36-79 years) arthroscopically repaired between 2012 and 2016. The radiographic morphology of the GT was defined as normal, sclerotic, or spurring. Atrophy and fatty infiltration of the rotator cuff muscles were evaluated using the occupation ratio and Goutallier classification, respectively, via the MR images. Diagnoses of rotator cuff tears were made during arthroscopic shoulder surgery. Results: Significant associations between the radiographic GT morphology and the severity of both supraspinatus muscle atrophy (P = .002) and infraspinatus muscle atrophy (P = .047) were found. The mean occupation ratios of both the sclerotic GT group and the spurring GT group were significantly reduced compared with the mean occupation ratio of the normal GT group. Patients with GT spurs were found to be prone to severe supraspinatus fatty degeneration (P = .020). Conclusions: For patients with rotator cuff tears, the presence of GT spurs or sclerosis on radiographs predicted the occurrence of supraspinatus and infraspinatus muscle atrophy, as well as supraspinatus fatty infiltration, based on MR images. The clinical relevance is that MR imaging is suggested for patients with radiographic GT sclerosis or spurs to detect advanced rotator cuff lesions.

Original languageEnglish
JournalJournal of Shoulder and Elbow Surgery
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Rotator Cuff
Muscles
Muscular Atrophy
Sclerosis
Occupations
Magnetic Resonance Spectroscopy
Atrophy
Rotator Cuff Injuries
Arthroscopy
Magnetic Resonance Imaging

All Science Journal Classification (ASJC) codes

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

@article{9bc00c5b8d2c445eb7afd44587a475c8,
title = "The radiographic morphology of the greater tuberosity is associated with muscle degeneration in patients with symptomatic rotator cuff tears",
abstract = "Background: Atrophy and fatty infiltration of the rotator cuff muscles portend poor findings in terms of postoperative function and the probability of retears. We assumed that sclerosis and spurs of the greater tuberosity (GT) on radiographs are associated with this rotator cuff muscle degeneration. Methods: We retrospectively reviewed the preoperative radiographs and magnetic resonance (MR) images of 91 shoulders (average age of patients, 59.7 years; age range, 36-79 years) arthroscopically repaired between 2012 and 2016. The radiographic morphology of the GT was defined as normal, sclerotic, or spurring. Atrophy and fatty infiltration of the rotator cuff muscles were evaluated using the occupation ratio and Goutallier classification, respectively, via the MR images. Diagnoses of rotator cuff tears were made during arthroscopic shoulder surgery. Results: Significant associations between the radiographic GT morphology and the severity of both supraspinatus muscle atrophy (P = .002) and infraspinatus muscle atrophy (P = .047) were found. The mean occupation ratios of both the sclerotic GT group and the spurring GT group were significantly reduced compared with the mean occupation ratio of the normal GT group. Patients with GT spurs were found to be prone to severe supraspinatus fatty degeneration (P = .020). Conclusions: For patients with rotator cuff tears, the presence of GT spurs or sclerosis on radiographs predicted the occurrence of supraspinatus and infraspinatus muscle atrophy, as well as supraspinatus fatty infiltration, based on MR images. The clinical relevance is that MR imaging is suggested for patients with radiographic GT sclerosis or spurs to detect advanced rotator cuff lesions.",
author = "Chuang, {Hao Chun} and Hong, {Chih Kai} and Kai-Lan Hsu and Fa-Chuan Kuan and Cheng-Li Lin and Wei-Ren Su",
year = "2019",
month = "1",
day = "1",
doi = "10.1016/j.jse.2019.03.010",
language = "English",
journal = "Journal of Shoulder and Elbow Surgery",
issn = "1058-2746",
publisher = "Mosby Inc.",

}

TY - JOUR

T1 - The radiographic morphology of the greater tuberosity is associated with muscle degeneration in patients with symptomatic rotator cuff tears

AU - Chuang, Hao Chun

AU - Hong, Chih Kai

AU - Hsu, Kai-Lan

AU - Kuan, Fa-Chuan

AU - Lin, Cheng-Li

AU - Su, Wei-Ren

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Background: Atrophy and fatty infiltration of the rotator cuff muscles portend poor findings in terms of postoperative function and the probability of retears. We assumed that sclerosis and spurs of the greater tuberosity (GT) on radiographs are associated with this rotator cuff muscle degeneration. Methods: We retrospectively reviewed the preoperative radiographs and magnetic resonance (MR) images of 91 shoulders (average age of patients, 59.7 years; age range, 36-79 years) arthroscopically repaired between 2012 and 2016. The radiographic morphology of the GT was defined as normal, sclerotic, or spurring. Atrophy and fatty infiltration of the rotator cuff muscles were evaluated using the occupation ratio and Goutallier classification, respectively, via the MR images. Diagnoses of rotator cuff tears were made during arthroscopic shoulder surgery. Results: Significant associations between the radiographic GT morphology and the severity of both supraspinatus muscle atrophy (P = .002) and infraspinatus muscle atrophy (P = .047) were found. The mean occupation ratios of both the sclerotic GT group and the spurring GT group were significantly reduced compared with the mean occupation ratio of the normal GT group. Patients with GT spurs were found to be prone to severe supraspinatus fatty degeneration (P = .020). Conclusions: For patients with rotator cuff tears, the presence of GT spurs or sclerosis on radiographs predicted the occurrence of supraspinatus and infraspinatus muscle atrophy, as well as supraspinatus fatty infiltration, based on MR images. The clinical relevance is that MR imaging is suggested for patients with radiographic GT sclerosis or spurs to detect advanced rotator cuff lesions.

AB - Background: Atrophy and fatty infiltration of the rotator cuff muscles portend poor findings in terms of postoperative function and the probability of retears. We assumed that sclerosis and spurs of the greater tuberosity (GT) on radiographs are associated with this rotator cuff muscle degeneration. Methods: We retrospectively reviewed the preoperative radiographs and magnetic resonance (MR) images of 91 shoulders (average age of patients, 59.7 years; age range, 36-79 years) arthroscopically repaired between 2012 and 2016. The radiographic morphology of the GT was defined as normal, sclerotic, or spurring. Atrophy and fatty infiltration of the rotator cuff muscles were evaluated using the occupation ratio and Goutallier classification, respectively, via the MR images. Diagnoses of rotator cuff tears were made during arthroscopic shoulder surgery. Results: Significant associations between the radiographic GT morphology and the severity of both supraspinatus muscle atrophy (P = .002) and infraspinatus muscle atrophy (P = .047) were found. The mean occupation ratios of both the sclerotic GT group and the spurring GT group were significantly reduced compared with the mean occupation ratio of the normal GT group. Patients with GT spurs were found to be prone to severe supraspinatus fatty degeneration (P = .020). Conclusions: For patients with rotator cuff tears, the presence of GT spurs or sclerosis on radiographs predicted the occurrence of supraspinatus and infraspinatus muscle atrophy, as well as supraspinatus fatty infiltration, based on MR images. The clinical relevance is that MR imaging is suggested for patients with radiographic GT sclerosis or spurs to detect advanced rotator cuff lesions.

UR - http://www.scopus.com/inward/record.url?scp=85066947034&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85066947034&partnerID=8YFLogxK

U2 - 10.1016/j.jse.2019.03.010

DO - 10.1016/j.jse.2019.03.010

M3 - Article

JO - Journal of Shoulder and Elbow Surgery

JF - Journal of Shoulder and Elbow Surgery

SN - 1058-2746

ER -