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1.
Vascular Specialist International ; : 17-2021.
Artigo em Inglês | WPRIM | ID: wpr-904191

RESUMO

Purpose@#This study aimed to evaluate the role of gallium-67 single photon emission computed tomography (SPECT) with contrast computed tomography (CT) in the evaluation and monitoring of infected abdominal aortic aneurysms (IAAA). @*Materials and Methods@#A retrospective cohort analysis was performed using prospectively collected data of consecutive patients with IAAA in Princess Margaret Hospital in Hong Kong between January 2010 and December 2020. The patients were identified using the Radiology Information System. @*Results@#All five patients had proven IAAA on CT and/or metabolic imaging.Among them, three were further supported by positive blood culture results. Gallium-67 SPECT with contrast CT was useful in the detection of residual disease, monitoring, and detection of recurrence. @*Conclusion@#Gallium-67 SPECT with contrast CT is helpful for evaluating IAAA.It serves an important role in guiding management, especially during long-term follow-up.

2.
Vascular Specialist International ; : 17-2021.
Artigo em Inglês | WPRIM | ID: wpr-896487

RESUMO

Purpose@#This study aimed to evaluate the role of gallium-67 single photon emission computed tomography (SPECT) with contrast computed tomography (CT) in the evaluation and monitoring of infected abdominal aortic aneurysms (IAAA). @*Materials and Methods@#A retrospective cohort analysis was performed using prospectively collected data of consecutive patients with IAAA in Princess Margaret Hospital in Hong Kong between January 2010 and December 2020. The patients were identified using the Radiology Information System. @*Results@#All five patients had proven IAAA on CT and/or metabolic imaging.Among them, three were further supported by positive blood culture results. Gallium-67 SPECT with contrast CT was useful in the detection of residual disease, monitoring, and detection of recurrence. @*Conclusion@#Gallium-67 SPECT with contrast CT is helpful for evaluating IAAA.It serves an important role in guiding management, especially during long-term follow-up.

3.
Iranian Journal of Nuclear Medicine. 2013; 21 (2): 46-52
em Inglês | IMEMR | ID: emr-141012

RESUMO

To retrospectively analyze the outcome of patients who underwent Meckel's scan in a local centre in Hong Kong over the past fifteen years. Diagnostic values in different referring indications were also reviewed. All patients who referred for Meckel's scan in a local hospital in Hong Kong from 1/1/1996 to 31/12/2010 were identified. Patients' demographic data, presenting symptoms, imaging and clinical findings were reviewed and analyzed. A total of 105 patients were recruited, including 62 children and 43 adults. There were eight patients with positive Meckel's scans and 97 patients with negative scans. Eight Meckel's diverticula were confirmed surgically. The sensitivity and specificity were 75% and 97.9% respectively. The positive and negative predictive values were 75% and 97.9% respectively. Accuracy was 96.2%. Performance was further improved if only patients with gastrointestinal bleeding were selected. Sensitivity [85.7%] and negative predictive value [98.6%] were higher when compared to all indications, while specificity, accuracy and positive predictive value remained similar [97.3%, 96.3% and 75% respectively]. Meckel's scan is an accurate and useful test if the patient was referred for gastrointestinal bleeding. However its role is in doubt for non-gastrointestinal bleeding cases


Assuntos
Humanos , Masculino , Feminino , Cintilografia , Hemorragia Gastrointestinal , Estudos Retrospectivos , Pertecnetato Tc 99m de Sódio
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