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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | 34x 94x 94x 94x 94x 94x 94x 94x 94x 94x 94x 94x 94x 94x | import OHIF from '@ohif/core';
import { InstanceMetadata, PhilipsPETPrivateGroup } from '@cornerstonejs/calculate-suv/src/types';
const metadataProvider = OHIF.classes.MetadataProvider;
export default function getPTImageIdInstanceMetadata(imageId: string): InstanceMetadata {
const dicomMetaData = metadataProvider.get('instance', imageId);
Iif (!dicomMetaData) {
throw new Error('dicom metadata are required');
}
Iif (
dicomMetaData.SeriesDate === undefined ||
dicomMetaData.SeriesTime === undefined ||
dicomMetaData.CorrectedImage === undefined ||
dicomMetaData.Units === undefined ||
!dicomMetaData.RadiopharmaceuticalInformationSequence ||
dicomMetaData.RadiopharmaceuticalInformationSequence.RadionuclideHalfLife === undefined ||
dicomMetaData.RadiopharmaceuticalInformationSequence.RadionuclideTotalDose === undefined ||
dicomMetaData.DecayCorrection === undefined ||
dicomMetaData.AcquisitionDate === undefined ||
dicomMetaData.AcquisitionTime === undefined ||
(dicomMetaData.RadiopharmaceuticalInformationSequence.RadiopharmaceuticalStartDateTime ===
undefined &&
dicomMetaData.RadiopharmaceuticalInformationSequence.RadiopharmaceuticalStartTime ===
undefined)
) {
throw new Error('required metadata are missing');
}
Iif (dicomMetaData.PatientWeight === undefined) {
console.warn('PatientWeight missing from PT instance metadata');
}
const instanceMetadata: InstanceMetadata = {
CorrectedImage: dicomMetaData.CorrectedImage,
Units: dicomMetaData.Units,
RadionuclideHalfLife: dicomMetaData.RadiopharmaceuticalInformationSequence.RadionuclideHalfLife,
RadionuclideTotalDose:
dicomMetaData.RadiopharmaceuticalInformationSequence.RadionuclideTotalDose,
RadiopharmaceuticalStartDateTime:
dicomMetaData.RadiopharmaceuticalInformationSequence.RadiopharmaceuticalStartDateTime,
RadiopharmaceuticalStartTime:
dicomMetaData.RadiopharmaceuticalInformationSequence.RadiopharmaceuticalStartTime,
DecayCorrection: dicomMetaData.DecayCorrection,
PatientWeight: dicomMetaData.PatientWeight,
SeriesDate: dicomMetaData.SeriesDate,
SeriesTime: dicomMetaData.SeriesTime,
AcquisitionDate: dicomMetaData.AcquisitionDate,
AcquisitionTime: dicomMetaData.AcquisitionTime,
};
Iif (
dicomMetaData['70531000'] ||
dicomMetaData['70531000'] !== undefined ||
dicomMetaData['70531009'] ||
dicomMetaData['70531009'] !== undefined
) {
const philipsPETPrivateGroup: PhilipsPETPrivateGroup = {
SUVScaleFactor: dicomMetaData['70531000'],
ActivityConcentrationScaleFactor: dicomMetaData['70531009'],
};
instanceMetadata.PhilipsPETPrivateGroup = philipsPETPrivateGroup;
}
Iif (dicomMetaData['0009100d'] && dicomMetaData['0009100d'] !== undefined) {
instanceMetadata.GEPrivatePostInjectionDateTime = dicomMetaData['0009100d'];
}
Iif (dicomMetaData.FrameReferenceTime && dicomMetaData.FrameReferenceTime !== undefined) {
instanceMetadata.FrameReferenceTime = dicomMetaData.FrameReferenceTime;
}
if (dicomMetaData.ActualFrameDuration && dicomMetaData.ActualFrameDuration !== undefined) {
instanceMetadata.ActualFrameDuration = dicomMetaData.ActualFrameDuration;
}
Iif (dicomMetaData.PatientSex && dicomMetaData.PatientSex !== undefined) {
instanceMetadata.PatientSex = dicomMetaData.PatientSex;
}
Iif (dicomMetaData.PatientSize && dicomMetaData.PatientSize !== undefined) {
instanceMetadata.PatientSize = dicomMetaData.PatientSize;
}
return instanceMetadata;
}
function convertInterfaceTimeToString(time): string {
const hours = `${time.hours || '00'}`.padStart(2, '0');
const minutes = `${time.minutes || '00'}`.padStart(2, '0');
const seconds = `${time.seconds || '00'}`.padStart(2, '0');
const fractionalSeconds = `${time.fractionalSeconds || '000000'}`.padEnd(6, '0');
const timeString = `${hours}${minutes}${seconds}.${fractionalSeconds}`;
return timeString;
}
function convertInterfaceDateToString(date): string {
const month = `${date.month}`.padStart(2, '0');
const day = `${date.day}`.padStart(2, '0');
const dateString = `${date.year}${month}${day}`;
return dateString;
}
export { getPTImageIdInstanceMetadata };
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