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Journal Article
Research Support, Non-U.S. Gov't
Computed tomography in the evaluation of febrile neutropenic pediatric oncology patients.
Pediatric Infectious Disease Journal 2001 January
AIM: To evaluate the diagnostic utility of computed tomography (CT) obtained during prolonged febrile neutropenia in pediatric oncology patients.
METHODS: We evaluated the medical records of all patients with a malignant disease who had a CT examination during an episode of febrile neutropenia lasting for 4 days or more at Children's Hospital and Regional Medical Center in Seattle, WA, between January 1, 1997, and June 1, 1999.
RESULTS: CT was performed on 83 patients to evaluate 109 episodes of prolonged febrile neutropenia. Sixty-eight (62%) of the initial CT scans demonstrated abnormalities, leading to changes in therapy in 42 (39%). The diagnostic and therapeutic utility of CT varied by anatomic site. Abdominal and head/neck CT detected abnormalities in only 19 and 8% of studies, respectively, resulting in therapy changes in 9 and 4%, respectively. Sinus CT demonstrated abnormalities in 41% of cases and altered therapy in 24%. Chest CT had the highest diagnostic utility, with 49% of cases demonstrating abnormalities, leading to therapy alteration in 30%. CT was rarely abnormal in the absence of localizing signs or symptoms. In 55 instances 1 or more follow-up scans were done. Thirteen follow-up CT scans showed abnormalities that led to a change in therapy.
CONCLUSIONS: CT-detected abnormalities frequently lead to alterations in therapy, particularly sinus and thoracic CT. Most patients with CT-detected abnormalities have symptoms or signs referable to the site of abnormality. Asymptomatic febrile neutropenic children rarely have CT findings that lead to a change in therapy.
METHODS: We evaluated the medical records of all patients with a malignant disease who had a CT examination during an episode of febrile neutropenia lasting for 4 days or more at Children's Hospital and Regional Medical Center in Seattle, WA, between January 1, 1997, and June 1, 1999.
RESULTS: CT was performed on 83 patients to evaluate 109 episodes of prolonged febrile neutropenia. Sixty-eight (62%) of the initial CT scans demonstrated abnormalities, leading to changes in therapy in 42 (39%). The diagnostic and therapeutic utility of CT varied by anatomic site. Abdominal and head/neck CT detected abnormalities in only 19 and 8% of studies, respectively, resulting in therapy changes in 9 and 4%, respectively. Sinus CT demonstrated abnormalities in 41% of cases and altered therapy in 24%. Chest CT had the highest diagnostic utility, with 49% of cases demonstrating abnormalities, leading to therapy alteration in 30%. CT was rarely abnormal in the absence of localizing signs or symptoms. In 55 instances 1 or more follow-up scans were done. Thirteen follow-up CT scans showed abnormalities that led to a change in therapy.
CONCLUSIONS: CT-detected abnormalities frequently lead to alterations in therapy, particularly sinus and thoracic CT. Most patients with CT-detected abnormalities have symptoms or signs referable to the site of abnormality. Asymptomatic febrile neutropenic children rarely have CT findings that lead to a change in therapy.
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