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Echogenicity (sometimes as echogenecity) or echogeneity is the ability to bounce an echo, e.g. return the signal in medical ultrasound examinations. In other words, echogenicity is higher when the surface bouncing the sound echo reflects increased sound waves.
During the portal venous phase there is a specific "wash out" of ultrasound contrast agent (UCA) and the tumor appears hypoechoic during the late phase. Poorly differentiated tumors may have a stronger wash out leading to an isoechoic appearance to the liver parenchyma during portal venous phase.
Suspicious findings in a nodule are hypoechoic, ill-defined margins, absence of peripheral halo or irregular margin, fine, punctate microcalcifications, presence of solid nodule, high levels of irregular blood flow within the nodule [11] or "taller-than-wide sign" (anterior-posterior diameter is greater than transverse diameter of a nodule).
The ultrasound findings of tuberculous orchitis are as follow: (a) diffusely enlarged heterogeneously hypoechoic testis (b) diffusely enlarged homogeneously hypoechoic testis (c) nodular enlarged heterogeneously hypoechoic testis and (d) presence of multiple small hypoechoic nodules in an enlarged testis [Fig. 21b].
A 19-year-old male patient known to have multi-nodular goiter and FNA, showing underlying Hashimoto's thyroiditis. a, b Sagittal and transverse greyscale and colour Doppler ultrasound of the neck demonstrate a hypoechoic enlarged right thyroid lobe with small hyperechoic regenerative nodules and marked hypervascularity (white arrows). c, d ...
Tiny plastic particles have been found throughout the human body, but researchers say they’re just starting to understand the impact.
CT scan; MRI scan; ultrasound Lymphadenopathy or adenopathy is a disease of the lymph nodes , in which they are abnormal in size or consistency. Lymphadenopathy of an inflammatory type (the most common type) is lymphadenitis , [ 1 ] producing swollen or enlarged lymph nodes.
Young powered the Hawks to a wild 124-121 win over the Utah Jazz on Tuesday night with one of the most ridiculous shots of his career. Young's shot was only half of the finish at the Delta Center.