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Very high frequency (13 MHz) ultrasonographic examination of the normal neck: detection of normal lymph nodes and thyroid nodules.
Author(s) -
Bruneton J N,
Balu-Maestro C,
Marcy P Y,
Melia P,
Mourou M Y
Publication year - 1994
Publication title -
journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 91
eISSN - 1550-9613
pISSN - 0278-4297
DOI - 10.7863/jum.1994.13.2.87
Subject(s) - medicine , hilum (anatomy) , lymph , radiology , throat , thyroid nodules , thyroid , anatomy , pathology
Very high frequency (13 MHz) ultrasonographic examination of the neck successfully visualized one or more normal lymph nodes (weakly echoic oval structures with an echoic central hilum) in 67.6% of 1000 healthy volunteers. Efficacy was not related to recent ear, nose, and throat infection, sex, or age. The longitudinal‐transverse diameter ratio was greater than or equal to 2 in 86.2% of cases. No signal was detected with color Doppler imaging. One or more thyroid nodules were also identified in 34.7% of the subjects: the frequency was 44% in women and 42% in subjects over 50 years of age.