Table 3 B-mode ultrasonographic characterization (echogenicity, echotexture, echotexture pattern, invasiveness, capsule, hyperechogenic spots, and cavitary areas) of cutaneous and subcutaneous canine neoplasms for tumor types that presented two or more cases
Histopathological classification (n) | Echogenicity | Echotexture | Echotexture pattern | Invasiveness | Capsule | Hyperechogenic spots | Cavitary areas |
|---|---|---|---|---|---|---|---|
Sebaceous adenoma (6) | Hypoechogenic 83.3% Hyperechogenic 16.7% | Homogeneous16.7% Heterogeneous 83.3% | Smooth 33.3% Gross 66.7% | Invasive 50% Noninvasive 50% | Present 16.7% Absent 83.3% | Present 50% Absent 50% | Present 50% Absent 50% |
Basal cell carcinoma (2) | Hypoechogenic 50% Hyperechogenic 50% | Homogeneous 0% Heterogeneous 100% | Smooth 0% Gross 100% | Invasive 100% Noninvasive 0% | Present 50% Absent 50% | Present 100% Absent 0% | Present 100% Absent 0% |
Squamous cell carcinoma (15) | Hypoechogenic 53.3% Hyperechogenic 46.7% | Homogeneous 0% Heterogeneous 100% | Smooth 60% Gross 40% | Invasive 66.7% Noninvasive 33.3% | Present 6.7% Absent 93.3% | Present 40% Absent 60% | Present 60% Absent 40% |
Mixed carcinoma (2) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 0% Heterogeneous 100% | Smooth 0% Gross 100% | Invasive 100% Noninvasive 0% | Present 0% Absent 100% | Present 0% Absent 100% | Present 0% Absent 100% |
Apocrine cystadenoma (2) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 50% Heterogeneous 50% | Smooth 50% Gross 50% | Invasive 50% Noninvasive 50% | Present 0% Absent 100% | Present 0% Absent 100% | Present 50% Absent 50% |
Fibrosarcoma (4) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 0% Heterogeneous 100% | Smooth 25% Gross 75% | Invasive 75% Noninvasive 25% | Present 25% Absent 75% | Present 50% Absent 50% | Present 70% Absent 30% |
Cavernous hemangioma (6) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 33.3% Heterogeneous 66.7% | Smooth 83.3% Gross 16.7% | Invasive 16.7% Noninvasive 83.3% | Present 33.3% Absent 67.7% | Present 33.3% Absent 67.7% | Present 50% Absent 50% |
Hemangiosarcoma (5) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 0% Heterogeneous 100% | Smooth 80% Gross 20% | Invasive 20% Noninvasive 80% | Present 0% Absent 100% | Present 20% Absent 80% | Present 100% Absent 0% |
Cutaneous lymphoma (13) | Hypoechogenic 84.6% Hyperechogenic 15.4% | Homogeneous 0% Heterogeneous 100% | Smooth 61.5% Gross 38.5% | Invasive 100% Noninvasive 0% | Present 15.4% Absent 84.6% | Present 15.4% Absent 84.6% | Present 46.2% Absent 53.8% |
Lipoma (17) | Hypoechogenic 41.2% Hyperechogenic 58.8% | Homogeneous 11.8% Heterogeneous 88.2% | Smooth 41.2% Gross 58.8% | Invasive 41.2% Noninvasive 58.8% | Present 0% Absent 100% | Present 17.6% Absent 82.4% | Present 83.5% Absent 16.5% |
High-grade cutaneous mast cell tumor (24) | Hypoechogenic 79.2% Hyperechogenic 20.8% | Homogeneous 4.2% Heterogeneous 95.8% | Smooth 45.8% Gross 54.2% | Invasive 79.2% Noninvasive 20.8% | Present 29.2% Absent 70.8% | Present 58.3% Absent 41.7% | Present 83.3% Absent 16.7% |
Low-grade cutaneous mast cell tumor (10) | Hypoechogenic 90% Hyperechogenic 10% | Homogeneous 0% Heterogeneous 100% | Smooth 20% Gross 80% | Invasive 80% Noninvasive 20% | Present 20% Absent 80% | Present 90% Absent 10% | Present 90% Absent 10% |
Infiltrative subcutaneous mast cell tumor (2) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 0% Heterogeneous 100% | Smooth 0% Gross 100% | Invasive 100% Noninvasive 0% | Present 100% Absent 0% | Present 0% Absent 100% | Present 0% Absent 100% |
Amelanotic melanoma (9) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 0% Heterogeneous 100% | Smooth 33.3% Gross 66.7% | Invasive 50% Noninvasive 50% | Present 16.7% Absent 83.3% | Present 44.4% Absent 55.6% | Present 55.6% Absent 44.4% |
Grade II soft tissue sarcoma (7) | Hypoechogenic 100% Hyperechogenic 0% | Homogeneous 0% Heterogeneous 100% | Smooth 100% Gross 0% | Invasive 100% Noninvasive 0% | Present 100% Absent 0% | Present 100% Absent 0% | Present 100% Absent 0% |