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ObjectiveTo evaluate the value of radiographs during the diagnostic work-up of rotator cuff tears, using arthroscopy as reference standard.Materials and methodsThis retrospective study included 236 shoulders of 236 patients. All radiographs were evaluated for inferior cortical acromial sclerosis, lateral acromial spur, superior migration of the humeral head, greater tubercle cysts, and subacromial space calcifications. Predictive value of these radiographic signs in predicting rotator cuff tears was determined with arthroscopy as reference standard.ResultsAccording to arthroscopy, 131 shoulders were diagnosed with rotator cuff tears. Seventy-two out of 131 shoulders (55%) had inferior cortical acromial sclerosis, 37 (28%) lateral acromial spur, 21 (16%) superior migration of the humeral head, 7 (5%) greater tubercle cysts and 15 subacromial space calcifications (11%). Inferior cortical acromial sclerosis (P = 0.001), lateral spur (P = 0.001), superior migration (P = 0.002), and cysts (P = 0.03) were significantly and independently associated with rotator cuff tears, whereas subacromial calcifications (p = 0.21) was not. Inferior cortical acromial sclerosis, superior migration, lateral acromial spur, and cysts combined have a positive predictive value of 78%.ConclusionsThe combination of inferior cortical acromial sclerosis, lateral acromial spur, superior migration of the humeral head, and greater tubercle cysts has a high positive predictive value for the presence of full-thickness rotator cuff tears. In patients with a high suspicion for having a rotator cuff tear based on radiographic findings, MRI can be performed directly without the delay and costs caused by an additional ultrasound exam.

For patients with small-size colorectal liver metastases, growing evidence suggests thermal ablation to be associated with fewer adverse events and faster recovery than resection while also challenging resection in terms of local control and overall survival. This study assessed the potential non-inferiority of thermal ablation compared with surgical resection in patients with small-size resectable colorectal liver metastases. Adult patients (aged ≥18 years) from 14 centres in the Netherlands, Belgium, and Italy with ten or fewer small-size (≤3 cm) colorectal liver metastases, no extrahepatic metastases, and an Eastern Cooperative Oncology Group performance status of 0–2, were stratified per centre, and according to their disease burden, into low, intermediate, and high disease burden subgroups and randomly assigned 1:1 to receive either thermal ablation (experimental group) or surgical resection (control group) of all target colorectal liver metastases using the web-based module Castor electronic data capture with variable block sizes of 4, 6, and 8. Although at the operator's discretion, a minimally invasive approach in both treatment groups was recommended. The primary endpoint was overall survival, assessed in the intention-to-treat population. A hazard ratio (HR) of 1·30 was considered the upper limit of non-inferiority for the primary endpoint. A preplanned interim analysis with predefined stopping rules for futility (conditional power to prove the null hypothesis <20%) and early benefit (conditional power >90%, superior safety outcomes for the experimental group, and no difference or superiority regarding local control for the experimental group) was done 12 months after enrolment of 50% of the planned sample size. Safety was assessed per treatment group. This trial is registered with ClinicalTrials.gov, NCT03088150. Between Aug 7, 2017, and Feb 14, 2024, 300 patients were randomly assigned to the experimental group (n=148, 100 male [68%] and 48 female [32%]; median age 67·9 years [range 29·2–85·7]) or to the control group (n=148, 107 male [72%] and 41 female [28%]; median age 65·1 [range 31·4–87·4]); four patients (two in each treatment group) were excluded after randomisation because they were found to have other disease pathology. Median follow-up at the prespecified interim analysis was 28·9 months (range 0·3–77·8). The trial was stopped early for meeting the predefined stopping rules: (1) a conditional likelihood to prove non-inferiority for overall survival of 90·5% (median overall survival not reached in both groups; HR 1·05; 95% CI 0·69–1·58; p=0·83), (2) a non-inferior local control (median local control not reached in both groups; HR 0·13, 95% CI 0·02–1·06; p=0·057), and (3) a superior safety profile for the experimental group. Patients in the experimental group had fewer adverse events than those in the control group (28 [19%] vs 67 [46%]; p<0·0001). Serious adverse events occurred in 11 (7%) of 148 patients in the experimental group and 29 (20%) of 146 in the control group, mostly periprocedural haemorrhage requiring intervention (one [1%] vs eight [5%]), and infectious complications requiring intervention (six [4%] vs 11 [8%]). There were no treatment-related deaths in the experimental group and three treatment-related deaths (2%) in the control group (two due to postoperative cardiac complications and one due to sepsis and liver failure). The assumption that thermal ablation should be reserved for unresectable colorectal liver metastases requires re-evaluation and the preferred treatment should be individualised and based on clinical characteristics and available expertise. Medtronic-Covidien.