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While conventional radiography and MRI have a well-established role in the assessment of patients with knee osteoarthritis, ultrasound is considered a complementary and additional tool. Moreover, the actual usefulness of ultrasound is still a matter of debate in knee osteoarthritis assessment. Despite that, ultrasound offers several advantages and interesting aspects for both current clinical practice and future perspectives. Ultrasound is potentially a helpful tool in the detection of anomalies such as cartilage degradation, osteophytes, and synovitis in cases of knee osteoarthritis. Furthermore, local diagnostic and minimally invasive therapeutic operations pertaining to knee osteoarthritis can be safely guided by real-time ultrasound imaging. We are constantly observing a growing knowledge and awareness among radiologists and other physicians, concerning ultrasound imaging. Ultrasound studies can be extremely useful to track the response to various therapies. For this specific aim, tele-ultrasonography may constitute an easy tool aiding precise and repeated follow-up controls. Moreover, raw radio-frequency data from US backscattering signals contain more information than B-mode imaging. This paves the way for quantitative in-depth analyses of cartilage, bone, and other articular structures. Overall, ultrasound technologies and their rapid evolution have the potential to make a difference at both the research and clinical levels. This narrative review article describes the potential of such technologies and their possible future implications. [ABSTRACT FROM AUTHOR]

Spinal epidural lipomatosis is defined by an excessive amount of epidural fat in the spinal canal, usually in the lumbosacral tract: a well-known cause of lumbar pain and spinal stenosis with a possible wide range of neurological symptoms. Recent research data reveal that, nowadays, obesity has become the main cause of spinal epidural lipomatosis. Moreover, this condition was recently recognized as a previously unknown manifestation of metabolic syndrome. Radiological studies (CT and MRI) are the only tools that are able to diagnose the disease non-invasively. Indeed, radiologists play a key role in disease recognition, with subsequent possible implications on patients' systemic health assessments. Despite its clinical importance, the condition is still underreported and neglected. The current literature review summarizes all the main etiologies of spinal epidural lipomatosis, particularly regarding its linkage with metabolic syndrome. An overview of disease characteristics from diagnosis to treatment strategies is also provided. [ABSTRACT FROM AUTHOR]

Rationale and objectives: While ultrasound-guided percutaneous irrigation for painful calcific tendinopathy (US-PICT) is the treatment of choice for the rotator cuff, there is a lack of knowledge regarding the treatment of this condition with atypical location. The purpose of our study is to assess if US-PICT can be applied safely and successfully in atypical sites, outside of the rotator cuff. Materials and methods: We retrospectively reviewed the US-PICT performed outside the rotator cuff, in the last 5 years in a single institution. A total of 16 patients have been included in this study. We collected the values of the numerical rating scale (NRS) for pain pre- and post-procedure (7 days and 3-month follow-up). Moreover, we assessed the imaging studies available pre- and post-procedure (ultrasound and plain radiography) to assess complications. Results: In all the 16 patients (10F, 6 M; mean age 50.2; range 24–65-year-old), no complications have been observed during and after the procedures. The mean pain NRS before treatment was 8.7 (range 10–6) and dropped to 1.1 (6–0) after 1 week as well after 3 months 1.1 (6–0). The NRS pain reduction from baseline resulted to be statistically significant after 7 days and 3 months (p < 0.001). Conclusion: Our results suggest the safety and efficacy of this procedure, underlining the great potential of US-PICT applied even in different atypical locations. [ABSTRACT FROM AUTHOR]

Simple Summary: Proximity to major vessels increases risk of local recurrence in soft tissue sarcomas of the thigh. When major vessels were observed to be surrounded by the tumor on preoperative MRI, vascular resection and by-pass reconstruction offered a better local control. The aim of this study was to establish the prognostic effects of the proximity of the tumor to the main vessels in patients affected by soft tissue sarcomas (STS) of the thigh. A total of 529 adult patients with deeply seated STS of the thigh and popliteal fossa were included. Vascular proximity was defined on MRI: type 1 > 5 mm; type 2 ≤ 5 mm and >0 mm; type 3 close to the tumor; type 4 enclosed by the tumor. Proximity to major vessels type 1–2 had a local recurrence (LR) rate lower than type 3–4 (p < 0.001). In type 4, vascular by-pass reduced LR risk. On multivariate analysis infiltrative histotypes, high FNLCC grade, radiotherapy administration, and type 3–4 of proximity to major vessels were found to be independent prognostic factors for LR. We observed an augmented risk of recurrence, but not of survival as the tumor was near to the major vessels. When major vessels were found to be surrounded by the tumor on preoperative MRI, vascular resection and bypass reconstruction offered a better local control. [ABSTRACT FROM AUTHOR]