All Patients N=28 N (%) Lateral Approach N=14 N (%) Medial Approach N=14 N (%)
Age, yrs Median (range)
60.18 (34-85)
62.36 (42-85)
58 (34-76)
Sex Male Female 15 (53.57) 13 (46.43) 8 (57.1) 6 (42.9) 7 (50) 7 (50)
Surgical approach Transcervical Transcervical-transparotid Transcervical-transmandibular TORS alone TORS + transcervical – 1 (3.57) 11 (39.28) 2 (7.14) 12 (42.85) 2 (7.14) 1 (7.14) 11 (78.57) 2 (14.29) – – – – – 12 (85.71) 2 (14.29)
Pathology of tumor Pleomorphic adenoma Warthin’s tumor Carcinoma ex pleomorphic adenoma Adenoid cystic carcinoma Salivary duct carcinoma Schwannoma Hemangioma Lipoma Histiocytoma Metastasis of squamous cell carcinoma Myoepithelioma Lymphoepithelial lesion Liposarcoma 8 (28.57) 1 (3.57) 2 (7.14) 1 (3.57) 1 (3.57) 1 (3.57) 2 (7.14) 1 (3.57) 1 (3.57) 7 (25.0) 1 (3.57) 1 (3.57) 1 (3.57) 6 (42.85) 1 (7.14) 1 (7.14) 1 (7.14) 1 (7.14) – – – – 2 (14.28) 1 (7.14) – 1 (7.14) 2 (14.28) – 1 (7.14) – – 1 (7.14) 2 (14.28) 1 (7.14) 1 (7.14) 5 (35.7) – 1 (7.14) –
Type of tumor Benign Malignant 17 (60.71) 11 (39.29) 9 (64.29) 5 (35.71) 8 (57.14) 6 (42.86)
Mean tumor size, cm3 19.4 21.66 17.15
Mean max tumor length, cm 3.75 3.6 3.9
Need for feeding tube 8 (28.6) 4 (28.6) 4 (28.6)
Mean duration of surgery, mins (range) 182.9 (40-340) 221.4 (100-340) 133.3 (40-240)
Mean length of hospital stay, days 7.32 8.9 5.8
Rate of post-surgical complications 39.3% 64.3% 14.3%
Free margin rate 75% 75% 75%
2-year relapse free survival rate 74.1% 69.3% 78.6%