Significance of single ventilation/perfusion mismatches in krypton-81m/technetium-99m lung scintigraphy
- 1. Columbia Univ., New York, NY
Description
The significance of a single area of ventilation/perfusion (V/P) mismatch in lung scans performed on patients suspected of pulmonary embolism (PE) was evaluated. Ten of 20 patients with this scan finding were found to have PE. An intermediate probability of PE was found with segmental (71%) or subsegmental (45%) single V/P mismatches. Seven of 16 patients with a single V/P mismatch and without a matching radiographic opacity had PE. Three of the four patients who had a V/P mismatch and a matching radiographic opacity were found to have PE. Multiview ventilation imaging with 81mKr was found to have advantages for the evaluation of single V/P mismatches. Based on the data available at this time, a single V/P mismatch suggests an intermediate probability of PE
Additional details
Publishing Information
- Journal Title
- J. Nucl. Med.
- Journal Issue
- no.3
- Series
- J. Nucl. Med.
- ISSN
- 0022-3123
- CODEN
- JNMEA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 18013849
- Subject category
- S62: RADIOLOGY AND NUCLEAR MEDICINE;
- Descriptors DEI
- DIAGNOSIS; EMBOLI; KRYPTON 81; LUNGS; PATIENTS; SCINTISCANNING; TECHNETIUM 99
- Descriptors DEC
- BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BODY; COUNTING TECHNIQUES; DIAGNOSTIC TECHNIQUES; ELECTRON CAPTURE RADIOISOTOPES; EVEN-ODD NUCLEI; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTO; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; KRYPTON ISOTOPES; NUCLEI; ODD-EVEN NUCLEI; ORGANS; RADIOISOTOPE SCANNING; RADIOISOTOPES; RESPIRATORY SYSTEM; SECONDS LIVING RADIOISOTOPES; TECHNETIUM ISOTOPES; YEARS LIVING RADIOISOTOPES