Dose evaluation for skin and organ in hepatocellular carcinoma during angiographic procedure

Daniela D'Alessio, Claudia Giliberti, Antonella Soriani, Livio Carpanese, Giuseppe Pizzi, Giulio Eugenio Vallati, Lidia Strigari

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Purpose. The purpose of this study is to evaluate the radiation dose in patients undergoing liver angiographic procedure and verify the usefulness of different dose measurements to prevent deterministic effects. Gafchromic film, MicroMOSFET data and DIAMENTOR device of the X-ray system were used to characterize the examined interventional radiology (IR) procedure. Materials and methods. A liver embolization procedure, the SIRT (Selective Internal Radiation Therapy), was investigated. The exposure parameters from the DIAMENTOR as well as patient and geometrical data were registered. Entrance skin dose map obtained using Gafchromic film (ESDGAF) in a standard phantom as well as in 12 patients were used to calculate the maximum skin dose (MSDGAF). MicroMOSFETs were used to assess ESD in relevant points/areas. Moreover, the maximum value of five MicroMOSFETs array, due to the extension of treated area and to the relative distance of 2-3 cm of two adjacent MicroMOSFETs, was useful to predict the MSD without interfering with the clinical practice. PCXMC vers.1.5 was used to calculate effective dose (E) and equivalent dose (H). Results: The mean dose-area product (DAPDIAMENTOR) for SIRT procedures was 166 Gy2, although a wide range was observed. The mean MSDGAF for SIRT procedures was 1090 mGy, although a wide range was experienced. A correlation was found between the MSDGAF measured on a patient and the DAPDIAMENTOR value for liver embolizations. MOSFET and Gafchromic data were in agreement within 5% in homogeneous area and within 20% in high dose gradient regions. The mean equivalent dose in critical organs was 89.8 mSv for kidneys, 22.9 mSv for pancreas, 20.2 mSv for small intestine and 21.0 mSv for spleen. Whereas the mean E was 3.7 mSv (range: 0.5-13.7). Conclusions: Gafchromic films result useful to study patient exposure and determine localization and amplitude of high dose skin areas to better predict the skin injuries. Then, DAPDIAMENTOR or MOSFET data could offer real-time methods, as on-line dose alert, to avoid any side effects during liver embolization with prolonged duration.

Original languageEnglish
Article number81
JournalJournal of Experimental and Clinical Cancer Research
Volume32
Issue number1
DOIs
Publication statusPublished - 2013

Fingerprint

Hepatocellular Carcinoma
Skin
Radiotherapy
Liver
Interventional Radiology
Small Intestine
Pancreas
Spleen
X-Rays
Radiation
Kidney
Equipment and Supplies
Wounds and Injuries

Keywords

  • Gafchromic film dosimetry
  • Interventional radiology
  • Liver embolization
  • MOSFET dosimetry
  • Skin dose measurement

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Dose evaluation for skin and organ in hepatocellular carcinoma during angiographic procedure. / D'Alessio, Daniela; Giliberti, Claudia; Soriani, Antonella; Carpanese, Livio; Pizzi, Giuseppe; Vallati, Giulio Eugenio; Strigari, Lidia.

In: Journal of Experimental and Clinical Cancer Research, Vol. 32, No. 1, 81, 2013.

Research output: Contribution to journalArticle

D'Alessio, Daniela ; Giliberti, Claudia ; Soriani, Antonella ; Carpanese, Livio ; Pizzi, Giuseppe ; Vallati, Giulio Eugenio ; Strigari, Lidia. / Dose evaluation for skin and organ in hepatocellular carcinoma during angiographic procedure. In: Journal of Experimental and Clinical Cancer Research. 2013 ; Vol. 32, No. 1.
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abstract = "Purpose. The purpose of this study is to evaluate the radiation dose in patients undergoing liver angiographic procedure and verify the usefulness of different dose measurements to prevent deterministic effects. Gafchromic film, MicroMOSFET data and DIAMENTOR device of the X-ray system were used to characterize the examined interventional radiology (IR) procedure. Materials and methods. A liver embolization procedure, the SIRT (Selective Internal Radiation Therapy), was investigated. The exposure parameters from the DIAMENTOR as well as patient and geometrical data were registered. Entrance skin dose map obtained using Gafchromic film (ESDGAF) in a standard phantom as well as in 12 patients were used to calculate the maximum skin dose (MSDGAF). MicroMOSFETs were used to assess ESD in relevant points/areas. Moreover, the maximum value of five MicroMOSFETs array, due to the extension of treated area and to the relative distance of 2-3 cm of two adjacent MicroMOSFETs, was useful to predict the MSD without interfering with the clinical practice. PCXMC vers.1.5 was used to calculate effective dose (E) and equivalent dose (H). Results: The mean dose-area product (DAPDIAMENTOR) for SIRT procedures was 166 Gy2, although a wide range was observed. The mean MSDGAF for SIRT procedures was 1090 mGy, although a wide range was experienced. A correlation was found between the MSDGAF measured on a patient and the DAPDIAMENTOR value for liver embolizations. MOSFET and Gafchromic data were in agreement within 5{\%} in homogeneous area and within 20{\%} in high dose gradient regions. The mean equivalent dose in critical organs was 89.8 mSv for kidneys, 22.9 mSv for pancreas, 20.2 mSv for small intestine and 21.0 mSv for spleen. Whereas the mean E was 3.7 mSv (range: 0.5-13.7). Conclusions: Gafchromic films result useful to study patient exposure and determine localization and amplitude of high dose skin areas to better predict the skin injuries. Then, DAPDIAMENTOR or MOSFET data could offer real-time methods, as on-line dose alert, to avoid any side effects during liver embolization with prolonged duration.",
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AU - D'Alessio, Daniela

AU - Giliberti, Claudia

AU - Soriani, Antonella

AU - Carpanese, Livio

AU - Pizzi, Giuseppe

AU - Vallati, Giulio Eugenio

AU - Strigari, Lidia

PY - 2013

Y1 - 2013

N2 - Purpose. The purpose of this study is to evaluate the radiation dose in patients undergoing liver angiographic procedure and verify the usefulness of different dose measurements to prevent deterministic effects. Gafchromic film, MicroMOSFET data and DIAMENTOR device of the X-ray system were used to characterize the examined interventional radiology (IR) procedure. Materials and methods. A liver embolization procedure, the SIRT (Selective Internal Radiation Therapy), was investigated. The exposure parameters from the DIAMENTOR as well as patient and geometrical data were registered. Entrance skin dose map obtained using Gafchromic film (ESDGAF) in a standard phantom as well as in 12 patients were used to calculate the maximum skin dose (MSDGAF). MicroMOSFETs were used to assess ESD in relevant points/areas. Moreover, the maximum value of five MicroMOSFETs array, due to the extension of treated area and to the relative distance of 2-3 cm of two adjacent MicroMOSFETs, was useful to predict the MSD without interfering with the clinical practice. PCXMC vers.1.5 was used to calculate effective dose (E) and equivalent dose (H). Results: The mean dose-area product (DAPDIAMENTOR) for SIRT procedures was 166 Gy2, although a wide range was observed. The mean MSDGAF for SIRT procedures was 1090 mGy, although a wide range was experienced. A correlation was found between the MSDGAF measured on a patient and the DAPDIAMENTOR value for liver embolizations. MOSFET and Gafchromic data were in agreement within 5% in homogeneous area and within 20% in high dose gradient regions. The mean equivalent dose in critical organs was 89.8 mSv for kidneys, 22.9 mSv for pancreas, 20.2 mSv for small intestine and 21.0 mSv for spleen. Whereas the mean E was 3.7 mSv (range: 0.5-13.7). Conclusions: Gafchromic films result useful to study patient exposure and determine localization and amplitude of high dose skin areas to better predict the skin injuries. Then, DAPDIAMENTOR or MOSFET data could offer real-time methods, as on-line dose alert, to avoid any side effects during liver embolization with prolonged duration.

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KW - Interventional radiology

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KW - MOSFET dosimetry

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