Research Article

Fluorescence In Situ Hybridization for MDM2 Amplification as a Routine Ancillary Diagnostic Tool for Suspected Well-Differentiated and Dedifferentiated Liposarcomas: Experience at a Tertiary Center

Table 1

Patient and tumor characteristics.

Patient/tumor characteristicsTotal

Male214 (61.7%)
Female133 (38.3%)
Median age59 years (range 12–95 years)
Tumor size (where available from the gross specimen or cross-sectional imaging)13.5 cm (range 2–109 cm)
Tumor site
 Intra-abdominal148
  Retroperitoneum(113)
  Bowel/mesentery(25)
  Pelvis(10)
 Inguinal/lower limb girdle88
  Thigh(47)
  Spermatic cord(19)
  Groin(14)
  Buttock/perineum(8)
 Trunk57
  Back(22)
  Chest wall(17)
  Abdominal wall(14)
  Breast(4)
 Upper limb/shoulder35
  Shoulder(18)
  Arm(11)
  Axilla(4)
  Hand(1)
 Head and neck22
  Neck(14)
  Mouth/jaw(5)
  Scalp/forehead(2)
  Ear(1)
 Lower extremities13
  Knee(6)
  Calf(4)
  Foot(3)
 Thoracic cavity (pleura, mediastinum, and lung)3