Composite field sequencing (CFS) for proton beam therapy
System and techniques may be adapted for use in composite field sequencing for proton therapy. A technique may include generating a proton therapy plan in a treatment planning system, the proton therapy plan including a plurality of static fields. The technique may include creating a single data file of a single dynamic field representing the plurality of static fields. The single data file may be sent to a proton therapy system for delivery of the single dynamic field. The technique may include receiving a response information related to a dose delivered to a patient by the single dynamic field.
1 . A method for composite field sequencing for proton therapy, the method comprising:
generating a proton therapy plan in a treatment planning system, the proton therapy plan including a plurality of static fields, wherein each of the plurality of static fields defines a configuration of an individual proton therapy beam to be delivered with pencil beam scanning from a proton therapy system;
in response to generating the proton therapy plan, processing the plurality of static fields to create a single data file of a single dynamic field including a plurality of static steps,
wherein each of the plurality of static steps corresponds with a respective static field of the plurality of static fields, the correspondence being determined based on a planned dosage to be delivered by the plurality of static fields to a patient with the proton therapy plan, and
wherein processing the plurality of static fields includes combining a plurality of source beams, each corresponding with an individual static step, into a single beam that automatically moves between different delivery angles;
sending the single data file to the proton therapy system for delivery of the single dynamic field; and
receiving a response indicating information related to a dose delivered to a patient by the single dynamic field.
2 . The method of claim 1 , wherein the single data file is a single Digital Imaging and Communications in Medicine (DICOM) data file.
3 . The method of claim 1 , wherein processing the plurality of static fields to create the single data file and sending the single data file is performed in less time than a time calculated to process the plurality of static fields to generate a respective plurality of data files and sending the respective plurality of data files.
4 . The method of claim 1 , wherein for the planned dosage, a linear energy transfer to a target is greater for the single dynamic field than a linear energy transfer calculated for a set of static fields, each delivering the same planned dosage.
5 . The method of claim 1 , wherein for the planned dosage, an actual dosage delivered to a target is greater for the single dynamic field than an actual dosage calculated for a set of static fields.
6 . The method of claim 1 , wherein for the planned dosage, a linear energy transfer to a non-target area is lower for the single dynamic field than a linear energy transfer calculated for a set of static fields, each delivering the same planned dosage.
7 . The method of claim 1 , wherein for the planned dosage, an actual dosage delivered to a non-target area is lower for the single dynamic field than an actual dosage calculated for a set of static fields.
8 . The method of claim 1 , wherein the plurality of static fields includes at least sixteen static fields.
9 . The method of claim 1 , wherein the proton therapy system is configured to deliver the single dynamic field in static steps with each step of the static steps corresponding to one of the plurality of static fields.
10 . The method of claim 1 , wherein processing the plurality of static fields to create the single data file of the single dynamic field includes processing the plurality of static fields in response to a user selection on a user interface to export the single dynamic field.
11 . At least one non-transitory machine-readable medium including instructions for composite field sequencing for proton therapy, which when executed by processing circuitry, causes the processing circuitry to perform operations to:
generate a proton therapy plan in a treatment planning system, the proton therapy plan including a plurality of static fields, wherein each of the plurality of static fields defines a configuration of an individual proton therapy beam to be delivered with pencil beam scanning from a proton therapy system;
in response to generating the proton therapy plan, process the plurality of static fields to create a single data file of a single dynamic field including a plurality of static steps,
wherein each of the plurality of static steps corresponds with a respective static field of the plurality of static fields, the correspondence being determined based on a planned dosage to be delivered by the plurality of static fields to a patient with the proton therapy plan, and
wherein processing the plurality of static fields includes combining a plurality of source beams, each corresponding with an individual static step, into a single beam that automatically moves between different delivery angles;
send the single data file to the proton therapy system for delivery of the single dynamic field; and
receive a response indicating information related to a dose delivered to a patient by the single dynamic field.
12 . The at least one machine-readable medium of claim 11 , wherein the single data file is a single Digital Imaging and Communications in Medicine (DICOM) data file.
13 . The at least one machine-readable medium of claim 11 , wherein the operations to process the plurality of static fields to create the single data file and send the single data file occur in less time than a time calculated to perform operations to process the plurality of static fields to generate a respective plurality of data files and send the respective plurality of data files.
14 . The at least one machine-readable medium of claim 11 , wherein for the planned dosage, a linear energy transfer to a target is greater for the single dynamic field than a linear energy transfer calculated for a set of static fields, each delivering the same planned dosage.
15 . The at least one machine-readable medium of claim 11 , wherein for the planned dosage, an actual dosage delivered to a target is greater for the single dynamic field than an actual dosage calculated for a set of static fields.
16 . The at least one machine-readable medium of claim 11 , wherein for the planned dosage, a linear energy transfer to a non-target area is lower for the single dynamic field than a linear energy transfer calculated for a set of static fields, each delivering the same planned dosage.
17 . The at least one machine-readable medium of claim 11 , wherein for the planned dosage, an actual dosage delivered to a non-target area is lower for the single dynamic field than an actual dosage calculated for a set of static fields.
18 . The at least one machine-readable medium of claim 11 , wherein the plurality of static fields includes at least sixteen static fields.
19 . The at least one machine-readable medium of claim 11 , further comprising operations to control the proton therapy system to deliver the single dynamic field in static steps with each step of the static steps corresponding to one of the plurality of static fields.
20 . The at least one machine-readable medium of claim 11 , wherein the operation to process the plurality of static fields to create the single data file of the single dynamic field occurs in response to a user selection on a user interface to export the single dynamic field.
21 . The at least one machine-readable medium of claim 11 , wherein the single dynamic field including the plurality of static steps is established based on automating a placement of multiple beams included in the dose delivered to the patient.
22 . The at least one machine-readable medium of claim 21 , wherein the single dynamic field including the plurality of static steps each corresponding with a respective static field is received by the proton therapy system to deliver a plurality of proton beam therapy (PBT) beams expressed as a single control point sequence.
23 . The method of claim 1 , wherein the single dynamic field including the plurality of static steps is established based on automating a placement of multiple beams included in the dose delivered to the patient.
24 . The method of claim 23 , comprising, based on the single dynamic field including the plurality of static steps each corresponding with a respective static field, delivering a plurality of proton beam therapy (PBT) beams expressed as a single control point sequence.