A hypoechoic mass is tissue in the body that’s more dense or solid than usual. This term is used to describe what is seen on an ultrasound scan. Ultrasound uses sound waves that are absorbed by or ...

Thyroid nodules are lumps that can develop on the thyroid gland. They may be solid and look dark on an ultrasound scan. Most are benign, but there is a low risk of thyroid cancer. The thyroid is a ...

A: First, it is important to describe what a vague hypoechoic lesion of the pancreas means to an endosonographer (Figure 1). Any lesion that is large, well circumscribed, cystic, or distorts ...

Please provide your email address to receive an email when new articles are posted on . A 49-year-old female presented to the otolaryngology clinic with a 1-month history of lower neck pressure and ...

Most metastatic deposits are solid and mainly hypoechoic relative to the background liver (Fig. 4). Many will exhibit a hypoechoic "halo" (Fig. 5). There is some controversy as to whether the halo is ...

Background A 28-year-old heterosexual man presented to an emergency department with a 2-day history of left testicular pain and swelling that began after he started having unprotected sex with a new ...

Objective Ultrasound (US) imaging has revealed distinct types of greyscale abnormalities in the patellar and Achilles tendons, including diffusely thickened tendons and tendons containing a hypoechoic ...

Introduction Sonographic abnormalities of the achilles and patellar tendons are common findings in athletes, and tendinopathy is a common cause of pain and disability in athletes. However, it is ...

Medical test results can be hard to understand. If an ultrasound finds a hypoechoic mass, you may have wondered what that means.‌ A hypoechoic mass looks dark gray on an ultrasound. That means the ...

Thyroid nodules are lumps that can develop on the thyroid gland. They may be solid. Most are benign, but there is a low risk of thyroid cancer. The thyroid is a small gland in the front part of the ...