Advanced US of the Skin, Nerves, and Muscles of the Neck: Pearls and Pitfalls with Use of High-Frequency Transducers.

High-frequency US provides excellent visualization of superficial structures and lesions, is a preferred diagnostic modality for anatomic characterization of neck abnormalities, and has a central role in clinical decision making. Recent technological advancements have led to the development of transducers that surpass 20 MHz, elevating high-frequency US to a highly valuable diagnostic tool with broader clinical use and enabling greater spatial resolution in the assessment of skin and superficial nerves and muscles. The authors focus on evolving applications of high-frequency US in neck imaging, emphasizing practical insights and strategies in skin and neuromuscular applications.

U-SMAS: ultrasound findings of the superficial musculoaponeurotic system.

The superficial musculoaponeurotic system (SMAS) is a complex fibrous network connecting facial muscles to the dermis, with varying morphological characteristics across different facial regions. Recent studies have identified five distinct types of SMAS morphology, highlighting the need for region-specific interventions in facial rejuvenation. This pictorial essay explores ultrasound imaging of the SMAS using ultra-high frequency (24-33 MHz) probes, known as U-SMAS.

[Prevalence and factors associated with high blood pressure, awareness, and treatment among elderly in Southern Brazil].

The aim of this study was to describe prevalence, awareness, and treatment of high blood pressure (HBP) and associated factors among the elderly in Florianópolis, Santa Catarina State, Brazil. This cross-sectional population-based study used a complex sampling design. HBP was defined as elevated blood pressure (by direct measurement), use of antihypertensive medication, or prior diagnosis.