Table 1.
Clinicopathologic and Perioperative Characteristics of All Patients (n=319)
| Clinical characteristics | n (%) or median [range] |
|---|---|
| Age, y | 55.0 [18.7–86.5] |
| Age ≥55 y | 161 (50.5) |
| Male sex | 148 (46.4) |
| Race | |
| White | 163 (51.1) |
| Black | 90 (28.2) |
| Other | 61 (19.1) |
| Location | |
| Torso | 108 (33.9) |
| Upper Extremity | 86 (27) |
| Lower Extremity | 125 (39.2) |
| Estimated duration of mass (months) | 12 [0–360] |
| Recurrent lesion | 28 (8.8) |
| Excision immediately prior to presentation | 10 (3.1) |
| Imaging* | |
| None | 34 (10.7) |
| Computed tomography | 34 (10.7) |
| Magnetic resonance imaging | 244 (77.2) |
| Unknown | 16 (5) |
| Biopsy | |
| Core biopsy or fine needle aspiration | 29 (9.1) |
| Incisional | 7 (2.2) |
| Neoadjuvant radiation therapy | 2 (0.6) |
| Perioperative characteristics | |
| Operation | |
| Local excision | 119 (37.3) |
| Radical excision | 200 (62.7) |
| Limb preserving | 221 (100) |
| Complication (any) | 30 (9.4) |
| Wound complication requiring reoperation | 7 (2.2) |
| Postoperative radiation therapy | 2 (0.6) |
| Pathologic characteristics | |
| Pathology | |
| Lipoma | 256 (80.3) |
| Atypical lipomatous tumor | 63 (19.7) |
| Tumor size (cm) | 8.9 [1.5–35] |
| Tumor size ≥10 cm | 134 (42) |
| Margin | |
| Negative | 36 (11.3) |
| Positive | 29 (9.1) |
| Not reported | 254 (79.6) |
| Outcomes | |
| Recurrence | 16 (5) |
| Follow-up, mo | 11.5 |
| Disease-specific mortality | 0 |
*
Includes 9 patients who had both CT and MRI