Fetal dose reduction in head and neck radiotherapy of a pregnant woman.

Détails

ID Serval
serval:BIB_7D50C3B30C4B
Type
Article: article d'un périodique ou d'un magazine.
Sous-type
Etude de cas (case report): rapporte une observation et la commente brièvement.
Collection
Publications
Titre
Fetal dose reduction in head and neck radiotherapy of a pregnant woman.
Périodique
Zeitschrift für medizinische Physik
Auteur(s)
Moeckli R., Ozsahin M., Pache G., Valley J.F., Mirimanoff R.O., Azria D.
ISSN
0939-3889
Statut éditorial
Publié
Date de publication
2004
Peer-reviewed
Oui
Volume
14
Numéro
3
Pages
168-72
Langue
anglais
Notes
Publication types: Case Reports ; Journal Article - Publication Status: ppublish
Résumé
BACKGROUND AND PURPOSE: A pregnant woman was referred for post-operative radiotherapy of a malignant schwannoma in the head and neck region. A best-treatment plan was devised in order to minimize the fetal dose. MATERIAL AND METHODS: The fetal dose resulting from radiological examinations was determined according to international protocols, that resulting from radiotherapy was calculated according to Recommendation 36 of the American Association of Physicists in Medicine (AAPM) Task Group. Pre-treatment dosimetry was performed with an anthropomorphic phantom. Several alternative treatment plans were evaluated. The use of a multileaf collimator (MLC) and a virtual wedge (VW) was compared to cerrobend blocks (CB) and physical wedge (PW). In-vivo dosimetry was performed using a vaginal probe containing thermoluminescent dosimeters (TLD). RESULTS: The total fetal dose resulting from diagnostic and radiotherapy procedures was estimated to be 36 mGy. The technique based on MLC and VW was elected for patient treatment. Measurements for this configuration resulted in afetal dose reduction of 82%. The shielding of the patient's abdomen further reduced the fetal dose by 42%. CONCLUSION: The use of VW and MLC for the treatment of a pregnant woman is highly recommended. Each case should be individually studied with pre-treatment and in-vivo dosimetry.
Mots-clé
Adult, Female, Fetus, Head and Neck Neoplasms, Humans, Pregnancy, Pregnancy Complications, Neoplastic, Radiotherapy Dosage, Radiotherapy, Computer-Assisted, Tomography, X-Ray Computed
Pubmed
Création de la notice
24/01/2008 18:16
Dernière modification de la notice
03/03/2018 18:39
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