< Radiation Oncology < Toxicity

See also: Radiation Oncology/IMRT/Pelvis


Bone marrow distribution


Distribution of Bone Marrow

  • 1961: (London) - PMID 13726497 "The distribution of active bone marrow in the adult." Ellis RE et al. Phys Med Biol. 1961 Jan;5:255-8.
    • By weighing cadaveric bones.
Site% Total red marrow
Pelvis
(made up of)
40.0
Pelvic bones

22.3
Sacrum

13.9
Femoral head/neck

3.8
Thoracic spine14.1
Lumbar spine10.9
Head13.1
Upper Limb Girdle
(made up of)
8.3
Scapulae

4.8
Humeri

1.9
Clavicles

1.5
Ribs7.9
Cervical spine3.4
Sternum2.3


Cervical Cancer

  • UC San Diego
    • 2011 PMID 20400238 -- "Normal tissue complication probability modeling of acute hematologic toxicity in cervical cancer patients treated with chemoradiotherapy." (Rose BS, Int J Radiat Oncol Biol Phys. 2011 Mar 1;79(3):800-7. Epub 2010 Apr 17.)
      • Retrospective. 81 patients treated with concurrent chemo-RT for cervical cancer. DVHs of bone marrow in pelvic field evaluated
      • Outcome: V10 <95% and V20 <76% correlated with lower acute G3+ hematologic toxicity. V10 (25% vs 69%, SS) and V20 (22% vs 58%, SS)
      • Conclusion: Acute hematologic toxicity increases with increasing pelvic bone marrow volume irradiated
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