Carlos A Zamora1, Avi G Oppenheimer, Hema Dave, Heather Symons, Thierry A G M Huisman, Izlem Izbudak. 1. From the *Division of Neuroradiology, The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD; †Division of Blood and Marrow Transplantation, Children's National Medical Center, Washington, DC; and ‡Sidney Kimmel Cancer Center, Department of Pediatrics and Oncology, and §Division of Pediatric Radiology, The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD.
Abstract
OBJECTIVE: The objective of this study was to evaluate pretransplant sinus computed tomography (CT) as predictor of post-hematopoietic stem cell transplant sinusitis. METHODS: We evaluated pretransplant and posttransplant CT findings in 100 children using the Lund-Mackay system and "common-practice" radiology reporting and correlated these with the presence of acute sinusitis. RESULTS: Fourteen percent of patients with normal screening CT developed posttransplant sinusitis, compared with 23% with radiographic abnormalities and 22% with clinical sinusitis alone, not statistically significant. Sensitivity of CT findings for clinical sinusitis ranged between 19% and 56%. Except for mucosal thickening (71% specificity), other findings had high specificity between 92% and 97%, particularly when combined. Lund-Mackay score change of 10 or greater from baseline was associated with a 2.8-fold increased likelihood of having sinusitis (P < 0.001). CONCLUSIONS: Screening CT can serve as a baseline, with a Lund-Mackay score change of 10 or greater constituting a significant threshold. The strongest correlation with the presence of acute sinusitis was seen with combined CT findings.
OBJECTIVE: The objective of this study was to evaluate pretransplant sinus computed tomography (CT) as predictor of post-hematopoietic stem cell transplant sinusitis. METHODS: We evaluated pretransplant and posttransplant CT findings in 100 children using the Lund-Mackay system and "common-practice" radiology reporting and correlated these with the presence of acute sinusitis. RESULTS: Fourteen percent of patients with normal screening CT developed posttransplant sinusitis, compared with 23% with radiographic abnormalities and 22% with clinical sinusitis alone, not statistically significant. Sensitivity of CT findings for clinical sinusitis ranged between 19% and 56%. Except for mucosal thickening (71% specificity), other findings had high specificity between 92% and 97%, particularly when combined. Lund-Mackay score change of 10 or greater from baseline was associated with a 2.8-fold increased likelihood of having sinusitis (P < 0.001). CONCLUSIONS: Screening CT can serve as a baseline, with a Lund-Mackay score change of 10 or greater constituting a significant threshold. The strongest correlation with the presence of acute sinusitis was seen with combined CT findings.
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