TABLE 2.
Esophageal Leiomyoma Imaging Characteristics
| Case No. | Size (cm) | Location | Laterality | Unenhanced Attenuation (HU) | Contrast-Enhanced Attenuation (HU) | CT Attenuation | Calcifications | PET/CT Maximum SUV |
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| 1 | 1.9 × 1.4 × 1.4 | Upper | Midline | NA | 27 | Homogeneous | None | NA |
| 2 | 4.7 × 3.0 × 1.9 | Mid | Midline | 41 HU | 45 | Homogeneous | None | NA |
| 3 | 2.9 × 2.5 × 3.0 | Mid | Midline | NA | 39 | Homogeneous | None | No avidity |
| 4 | 2.1 × 2.0 × 3.0 | Mid | Midline | NA | 36 | Homogeneous | None | No avidity |
| 5 | 3.0 × 2.0 × 1.5 | Mid | Left | Hypodense to muscle | NA | Homogeneous | None | No avidity |
| 6 | 4.5 × 3.3 × 3.2 | Distal | Right | Hypodense to muscle | NA | Homogeneous | None | NA |
| 7 | 2.4 × 1.5 × 2.8 | Distal | Right | NA | 47 | Homogeneous | None | 7.1 |
| 8 | 2.4 × 2.3 × 1.2 | Distal | Left | Hypodense to muscle | NA | Homogeneous | None | 4.4 |
| 9 | 2.0 × 1.5 × 2.5 | Distal | Left | Hypodense to muscle | NA | Homogeneous | Diffuse popcorn | No avidity |
| 10 | 2.8 × 1.1 × 2.8 | Distal | Right | Hypodense to muscle | NA | Homogeneous | Diffuse popcorn | No avidity |
|
| ||||||||
| Mean | 2.6 (n = 10); range, 2.0–4.7 | 41 (n = 1) | 39 (n = 5); range, 27–47 | 2.3 (n = 6); range, 0–7.1 | ||||
Note—SUV = standardized uptake value, NA = not applicable.