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Table 2 Mean radiation dose to normal tissues

From: A comparison of mantle versus involved-field radiotherapy for Hodgkin's lymphoma: reduction in normal tissue dose and second cancer risk

 

Thyroid (Gy)

Breast (Gy)

Lung (Gy)

Heart (Gy)

PCA* (Gy)

35 Gy Mantle (q1-q3)

34.4 (34.1–34.8)

9.0 (7.7–11.5)

14.7 (14.1–15.7)

24.2 (22.6–26.3)

34.7 (34.1–35.2)

35 Gy IFRT (q1-q3)

34.6 † (33.5–35.3)

3.2 (1.8–4.4)

11.2 (9.7–12.9)

17.2 (8.7–22.0)

33.9 (29.4–34.9)

20 Gy IFRT (q1-q3)

19.7 (19.2–20.2)

1.8 (1.0–2.6)

6.4 (5.5–7.3)

9.9 (5.0–13.2)

19.6 (17.2–20.0)

  1. all figures quoted are median values, with first and third quartiles (q1-q3)
  2. * PCA = proximal coronary arteries
  3. † Compared to 35 Gy mantle RT, mean doses were significantly reduced (p < 0.001) for all organs with 35 Gy IFRT and 20 Gy IFRT, except for the mean dose to thyroid, which was not significantly reduced with 35 Gy IFRT.
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Radiation Oncology

ISSN: 1748-717X

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