Mh. Chem et al., DIFFERENTIAL ULTRASONIC DIAGNOSES OF PULMONARY BENIGN AND MALIGNANT SPACE-OCCUPIED LESIONS OF THE PERIPHERAL-TYPE, Chinese medical journal, 107(10), 1994, pp. 775-780
87 patients with pulmonary space-occupied lesions of the peripheral ty
pe which were either adhesive or close to pleura were examined using u
ltuasonography. Of them, 64 cases of lung cancers and 23 of benign les
ions were then confirmed by histopathology. Five sonographic features,
including configuration, echogenicity patterns, bronchial air phase i
n foci, margin, and pleural involvement, were significantly different
between malignant and benign diseases (P<0.01). The differential ultra
sonography used in this series showed a sensitivity of 61% (14/23), a
specificity of 95% (61/64), and an accuracy of 86% (75/87). The result
s of the study demonstrate that the ultrasonography is helpful in diff
erentiating malignant and benign peripheral lung lesions near the pler
ua.