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Table 1 Target Structure Dosing Comparison (PTV margin in parentheses)

From: An investigation of intensity-modulated radiation therapy versus conventional two-dimensional and 3D-conformal radiation therapy for early stage larynx cancer

 

Dmax

CTV D90

PTV D90

CTV D95

PTV D95

A

     

2D Tight (1 cm)

6713

6104

5782

5970

3781

2D Loose (1 cm)

6736

6233

6045

6111

5437

3D CRT (1 cm)

6913

6479

6437

6424

6300

IMRT (1 cm)

6610

6467

6431

6437

6300

B

     

2D Tight (5 mm)

6685

6104

5782

5970

5372

2D Loose (5 mm)

6711

6233

6045

6111

5869

3D CRT (5 mm)

6806

6439

6367

6404

6300

IMRT (5 mm)

6615

6428

6367

6400

6300