JP5107709B2 - 放射線治療の処置計画の適合化 - Google Patents
放射線治療の処置計画の適合化 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/103—Treatment planning systems
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1061—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/103—Treatment planning systems
- A61N5/1031—Treatment planning systems using a specific method of dose optimization
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Description
Claims (11)
- 照射される組織を表す情報に基づいて計算された放射線処置計画に従って治療対象の放射線治療を行うための放射線治療システムであって、
調整された処置計画を作成するために、先に選定された放射線処置計画の放射線処置計画パラメータを、放射線処置セッションにて取得された処置用画像に基づいて調整する手段であり、前記先に選定された処置計画パラメータが、前記放射線処置セッションに先立って取得された計画用画像から作成された被照射組織の輪郭から最適化される、調整する手段、
を有し、前記調整する手段が:
前記処置用画像を前記計画用画像と整合させる画像レジストレーションプロセッサであり、前記計画用画像が変形される、画像レジストレーションプロセッサ;
前記被照射組織の輪郭を前記処置用画像に適合するように調整する輪郭更新プロセッサであり、前記被照射組織の輪郭が、前記計画用画像の前記変形に従って更新される、輪郭更新プロセッサ;及び
調整された輪郭から前記処置計画パラメータを再最適化する処置計画パラメータ最適化プロセッサ;
を有する、
放射線治療システム。 - 前記治療対象の前記処置用画像を取得する手段;及び
調整された処置パラメータを用いて前記治療対象の放射線治療を実行する手段;
を更に有する請求項1に記載の放射線治療システム。 - 照射されるべき組織を表す前記情報が、(i)解剖学的撮像法によって取得された解剖学的情報、及び(ii)機能的撮像法によって取得された生物学的情報又は機能的情報、の少なくとも一方を含む、請求項1に記載の放射線治療システム。
- 放射線処置セッションにて処置用画像を取得するステップ;
弾性変形技術を用いて、前記処置用画像を、前記放射線処置セッションに先立って取得された対応する計画用画像に整合させるステップであり、前記計画用画像が変形される、整合させるステップ;及び
照射される組織の放射線治療計画用の輪郭を、前記計画用画像の前記変形に従って該輪郭を更新することによって更新するステップ;
を有する放射線治療計画更新方法。 - 前記弾性変形技術がボクセルベースの整合技術である、請求項4に記載の放射線治療計画更新方法。
- 更新された放射線治療計画用の輪郭から処置パラメータを再最適化するステップを更に有する請求項4に記載の放射線治療計画更新方法。
- 処置用画像を取得する前記ステップが、前記計画用画像を取得するために使用される撮像法とは異なる撮像法を使用する、請求項4に記載の放射線治療計画更新方法。
- 前記計画用画像が、(i)解剖学的特徴、(ii)生物学的特徴、及び(iii)機能的特徴、から成るグループから選択された特徴を含む、請求項4に記載の放射線治療計画更新方法。
- 放射線処置セッションにて処置用画像を取得する手段;
弾性変形技術を用いて、前記処置用画像を、前記放射線処置セッションに先立って取得された対応する計画用画像に整合させる手段であり、前記計画用画像が変形される、整合させる手段;及び
照射される組織の放射線治療計画用の輪郭を、前記計画用画像の前記変形に従って該輪郭を更新することによって更新する手段;
を有する放射線治療計画システム。 - 放射線処置セッションに先立って治療対象の1枚以上の計画用画像を取得する手段;
1つ以上の当初の特徴輪郭を作成するために、前記1枚以上の計画用画像内の組織の特徴を輪郭表示する手段;
前記放射線処置セッションにて前記治療対象の1枚以上の処置用画像を取得する手段;
前記1枚以上の処置用画像に基づいて前記1つ以上の当初の特徴輪郭を更新する手段であり、前記1つ以上の当初の特徴輪郭を更新する該手段は:(i)前記1枚以上の処置用画像を前記1枚以上の計画用画像に整合させる手段であり、前記1枚以上の計画用画像が変形される、整合させる手段と、(ii)前記整合に基づいて前記1つ以上の特徴輪郭を調整する手段とを含み、前記1つ以上の特徴輪郭が、前記1枚以上の計画用画像の前記変形に従って更新される、更新する手段;
更新された1つ以上の特徴輪郭に基づいて放射線処置パラメータを最適化する手段;及び
最適化されたパラメータを用いて前記治療対象の放射線処置を実行する手段;
を有する放射線治療システム。 - 前記1枚以上の処置用画像を前記1枚以上の計画用画像に整合する前記手段がボクセルベースの弾性関数を使用し、且つ前記整合に基づいて1つ以上の特徴輪郭を調整する前記手段が、前記ボクセルベースの弾性関数によって示された弾性変形に基づいて輪郭を調整する手段を含む、請求項10に記載の放射線治療システム。
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US60128804P | 2004-08-13 | 2004-08-13 | |
US60/601,288 | 2004-08-13 | ||
PCT/IB2005/052554 WO2006018761A1 (en) | 2004-08-13 | 2005-07-28 | Radiotherapeutic treatment plan adaptation |
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JP2008509715A JP2008509715A (ja) | 2008-04-03 |
JP5107709B2 true JP5107709B2 (ja) | 2012-12-26 |
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US (1) | US8306185B2 (ja) |
EP (1) | EP1778353B1 (ja) |
JP (1) | JP5107709B2 (ja) |
CN (1) | CN101005874B (ja) |
WO (1) | WO2006018761A1 (ja) |
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-
2005
- 2005-07-28 JP JP2007525405A patent/JP5107709B2/ja active Active
- 2005-07-28 CN CN200580027540.8A patent/CN101005874B/zh active Active
- 2005-07-28 EP EP05779771A patent/EP1778353B1/en not_active Revoked
- 2005-07-28 US US11/573,564 patent/US8306185B2/en active Active
- 2005-07-28 WO PCT/IB2005/052554 patent/WO2006018761A1/en active Application Filing
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JP2008509715A (ja) | 2008-04-03 |
EP1778353B1 (en) | 2012-09-12 |
EP1778353A1 (en) | 2007-05-02 |
US8306185B2 (en) | 2012-11-06 |
WO2006018761A1 (en) | 2006-02-23 |
CN101005874B (zh) | 2015-05-20 |
US20110103551A1 (en) | 2011-05-05 |
CN101005874A (zh) | 2007-07-25 |
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