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Table 3 Baseline grey-scale ultrasonography of 17 mediastinal lesions

From: The feasibility of contrast enhanced ultrasonography (CEUS) in the diagnosis of non-cardiac thoracic disorders of dogs and cats

Mediastinal lesions   Location Shape Margins Echogenicity Echotexture Size
Malignant Lymphoma (8) Cr Med (8) Rounded (3) Oval (5) Well-defined (8) Hypoechoic (8) Inhomogeneous (7) Homogeneous (1) < 50 mm (3) > 50 mm (5)
Thymoma (3) Cr Med (3) Oval (3) Well-defined (3) Hypoechoic (3) Inhomogeneous (3) > 50 mm
Myxosarcoma (1) Cr Med Oval Well-defined Hypoechoic Inhomogeneous > 50 mm
Mesothelioma (1) Cr Med Oval Well-defined Hypoechoic Inhomogeneous < 50 mm
Carcinomatous lymphadenopathy (1) Cr Med Oval Well-defined Hypoechoic Inhomogeneous < 50 mm
Melanoma (1) Cr Med Oval Well-defined Hypoechoic Inhomogeneous > 50 mm
Benign Abscess (1) Cau Med Oval Well-defined Heterogeneously anechoic NA < 50 mm
Lipoma (1) Cau Med Oval Well-defined Hypoechoic Homogeneous < 50 mm
  1. Cr Med Cranial Mediastinum, Cau Med Caudal Mediastinum