Anterior abdominal wall pathologies detected by high-frequency annular array.
OBJECTIVE
In 1850 patients, high-frequency (HF: 7.5-10 MHz) annular array US examination was performed to evaluate the value of HF annular US in the detection of pathologies of the anterior abdominal wall.


RESULTS
HF annular US revealed pathological lesions (metastasis, benign tumor, lymphoma, hematoma, fistula, hernia, abscess) in 37 patients. The lesions were detected by conventional medium-frequency (3.5-3.75 MHz) US in only 8 of 37 cases (21.6%). HF annular US added information that altered clinical management in 19 cases (51.4%), predominantly in cases with tumors and fistulas.


CONCLUSIONS
The addition of HF annular US to a conventional US examination increases the detectability of small, but clinically important pathologies in the anterior abdominal wall.
First Department of Internal Medicine, Akita University, School of Medicine, 1-1-1 Hondo, Akita City, Japan.
H
H
Ishida
K
K
Konno
Y
Y
Hamashima
H
H
Naganuma
T
T
Komatsuda
M
M
Sato
J
J
Ishida
O
O
Masamune
D000009:Abdominal Muscles / Q000000981:diagnostic imaging*; D005260:Female; D006555:Hernia, Ventral / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D019042:Muscle Neoplasms / Q000000981:diagnostic imaging*; D009135:Muscular Diseases / Q000000981:diagnostic imaging*; D014463:Ultrasonography / Q000379:methods