Table 2 Baseline grey-scale ultrasonography of 23 pulmonary lesions

Malignant

Carcinoma

(14)

LAL (3) LAR (1)

LDL (4)

LDR (4)

MULTIFOCAL (2)

Rounded (5)

Oval (9)

Well-defined (14)

Hypoechoic (14)

Inhomogeneous (14)

< 50 mm (6)

> 50 mm (8)

Sarcoma (1)

LDL

Rounded

Well-defined

Hypoechoic

Inhomogeneous

> 50 mm

Histiocytic sarcoma (1)

LDL

Oval

Well-defined

Heterogeneously anechoic

Inhomogeneous

< 50 mm

Lymphoma (1)

MULTIFOCAL

Rounded

Well-defined

Hypoechoic

Inhomogeneous

< 50 mm

Benign

Pneumonia (5)

LAL (1)

LMR (1)

LDR (1)

MULTIFOCAL (2)

Triangular

Well-defined (3)

Ill-defined (2)

Hypoechoic (5)

Homogeneous (4)

Inhomogeneous (1)

> 50 mm (1)

< 50 mm (4)

Abscess (1)

LDR

Oval

Capsulated

Heterogeneously anechoic

NA

< 50 mm