Retrospective Study on Ultrasound Patterns of Pediatric Abdominal Mass With Pathologic Correlation in Patients Admitted to Tikur Anbesa Specialized Hospital, Pediatric Surgical Department from 2006-2010, Addis Ababa, Ethiopia.
Introduction: Abdominal masses in pediatric patients are common findings& may be caused by congenital anomalies, tumors, trauma, infection or abscess, or by organ enlargement. Imaging modality choice is a core issue in the evaluation of pediatric patients.Objective-: The objective of this study is to compare and examine the correlation of B-modeÂ Â Â US diagnosis with that of pathological diagnosis of pediatric abdominal masses (PAMs).Methods: A retrospective study conducted on 83 (47 male, 36 female) pediatric abdominalÂ Â masses (PAM) casesadmitted to TASH, pediatric surgical ward to study the US patterns of PAMs withpathologic correlation to see diagnosis sensitivity of US.Results: All the 83 patients had US evaluation, 42(50.6%) of them had both US & biopsy diagnoses, 60(72.3%) have US & FNAC result, 44(53%) had both US & IVP study, 10(12%) had both US & CT study, 8(9.6%) had both CT & Biopsy, 27(32.1%) had IVP & Biopsy results. When US diagnosis was compared with the final diagnosis, 31 of the 42 cases (74%) including cystic abdominal masses had similar diagnosis with the biopsy. From the 20 case with final diagnosis of wilmâ€™s tumor (WT), 17(85%) were correctly diagnosed by ultrasound as WT. that showed US sensitivity to be high for WT in particular than PAMs as a whole. When the FNAC, U/S & Biopsy cross tabulation was analyzed, only13 of the 25 cases (52%) of FNAC results matchedÂ the biopsy diagnosis but 19 of 25 cases (76%) of U/S diagnosis matchedÂ the results of the final diagnosis, making U/S more sensitive than FNAC in the diagnosis of PAMs in our study.Â Â Â Â Conclusion: - In addition to describing the location, size & consistency of the PAMs, US was shown to give exact diagnosis in a good percentage of patients in this study. US has far better sensitivity (76% to 52%) in diagnosing PAMs as a whole compared to the FNAC results in the study. So, Ultrasound scanning is a noninvasive method of visualizing th cross sectional anatomic relation of PAMs with a good sensitivity in the diagnosis of the different PAMs which make it especially valuable in pediatric patients, where prompt diagnosis and treatment are essential & radiation exposure risk is a concern.
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