hypoechoic

hypoechoic

 [hi″po-ĕ-ko´ik]
in ultrasonography, giving off few echoes; said of tissues or structures that reflect relatively few of the ultrasound waves directed at them.

hy·po·ech·o·ic

(hī'pō-e-kō'ik),
A region in an ultrasound image in which the echoes are weaker or fewer than normal or in the surrounding regions.
[hypo- + echo + -ic]

hypoechoic

/hy·po·echo·ic/ (-ĕ-ko´ik) in ultrasonography, giving off few echoes; said of tissues or structures that reflect relatively few of the ultrasound waves directed at them.

hypoechoic

adjective Referring to an abnormal reduction in echoes by ultrasonography, usually attributed to a pathologic change in tissue density.

hypoechoic

Imaging adjective Relating to an abnormal ↓ in echoes by ultrasonography, due to a pathologic change in tissue density

hy·po·ech·o·ic

(hī'pō-ĕ-kō'ik)
Pertaining to a region in an ultrasound image in which the echoes are weaker or fewer than normal or in the surrounding regions.
References in periodicals archive ?
Ultrasonography revealed hypoechoic 30 x 25-mm left mid-pole and 11 x 10-mm right lower-pole renal-masses.
Ultrasound may not always detect RS, but can show a poorly defined hypoechoic area, or an irregular hypoechoic mass with ill-defined, spiculated margins and varying degrees of posterior shadowing.
The mass parenchyma was homogenic and hypoechoic and was determined to have an increased blood flow by Doppler assessment.
Both malignant and benign myoepitheliomas generally appear as solid hypoechoic masses on US.
Abdominal ultrasonography revealed multiple hypoechoic, regular-shaped solid lesions in the liver and spleen.
Ultrasonography of the abdomen showed splenomegaly with multiple hypoechoic lesions in the spleen.
Besides the breast and axilla, the ultrasonographic features of lipogranuloma have been described in the penis and scrotum, and have included cases with an ill-defined area of increased echogenicity in the subcutaneous tissue of the penile shaft, (11) a poorly defined extratesticular echogenic mass with an elongated appearance on a longitudinal scan, (1) and an intratesticular heterogeneously hypoechoic mass.
Being well tolerated and non-invasive, it is especially promising and, because of the relatively high frequency of EPTB in young children, its yield in identifying abdominal nodes, hepatic or splenic hypoechoic lesions as well as pericardial, pleural or ascitic effusions--all indications of EPTB--is high.
Echocardiogram typically shows a hypoechoic mass with the characteristic posterior acoustic enhancement denoting the presence of fluid (9).
5 cm with mild heterogeneity in upper pole with hypoechoic lesion.