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The investigators propose tomosynthesis as a imaging method in between of x-ray and CT. The expected value of this project is the definition of proven indications for tomosynthesis, which allow replacing CT. Specific goals are the early detection of pulmonary consolidations / parenchymal changes as well as the monitoring of patients with ostesynthetic implants.
The investigators propose tomosynthesis as a imaging method in between of x-ray and CT. The expected value of this project is the definition of proven indications for tomosynthesis, which allow replacing CT. Specific goals are the early detection of pulmonary consolidations / parenchymal changes as well as the monitoring of patients with ostesynthetic implants.
This is a prospective, single-center, non-randomised, non-blinded trial with Tomosyntheis of Patients referred to the investigators institution to assess lung alterations and bone structure. All patients will undergo chest x-ray and tomosynthesis after informed consent. In addition they will undergo an ultralow-dose CT, wich is used as standart reference. The radiation dose of each method will be recorded. After completion of these three examinations, the participation in the study is completed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Patients scheduled for lung imaging | Patients with lung changes and scheduled for lung imaging will undergo:
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| Patients scheduled for wrist imaging | Patients with wrist fracture or with osteoprotetic material in the wrist and scheduled for wrist imaging will undergo:
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tomosythesis scan of the lung or the wrist | Other | All study participants will undergo Tomosynthesis imaging of the lung or the wrist. The radiation dose of each method will be recorded. |
| Measure | Description | Time Frame |
|---|---|---|
| Non-Inferiority CT | Value of Tomosynthesis-image information compared to CT | when scheduled for x-ray - 52 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Superiority to x-ray | Value of Tomosynthesis-image information compared to x-ray | when scheduled for x-ray - 52 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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The population included in this study are patients who are referred to our hospital for evaluation of lung-changes or evaluation of the wrist after fracture or surgery.
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| Name | Affiliation | Role |
|---|---|---|
| Thoams Frauenfelder, MD | University Hospital Zurich, Radiology | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Zurich - Diagnostic Radiology | Zurich | 8091 | Switzerland |
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| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| D000092503 | Wrist Fractures |
| ID | Term |
|---|---|
| D012140 | Respiratory Tract Diseases |
| D014954 | Wrist Injuries |
| D001134 | Arm Injuries |
| D014947 | Wounds and Injuries |
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| CT scan of the lung or the wrist | Other | All study participants will undergo CT imaging of the lung or the wrist, for which they where originally scheduled. The radiation dose of each method will be recorded. |
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| conventional X-ray of the lung or the wrist | Other | All study participants will undergo conventional X-ray of the lung or the wrist, for which they where originally scheduled. The radiation dose of each method will be recorded. |
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| D050723 |
| Fractures, Bone |