Journal of pediatric surgery · 2024
Correlation of CT Scan Response to Necrosis and Volume Changes With Histopathology in Children With Wilms' Tumor.
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Nilave Niaz, Nahid Sajida, Karim Saiyeda, Islam Shahnoor, Morshed Amirul
Аннотация
BACKGROUND: Wilms' tumor is the most common renal tumor in children.
OBJECTIVE: To correlate the percentage of necrosis and tumor volume change found in preoperative Contrast Enhance Computed Tomography (CECT) scan of the abdomen with post-operative histopathological findings of Wilms Tumor (WT).
METHODS: In this prospective study from January 2020 to December 2022, out of 33 patients, 15 patients with unilateral localized WT (stage I, II, and III) treated according to SIOP UMBRELLA protocol 2016 were included. Bilateral, syndromic, and stage IV WT were excluded. The radiological response was measured in preoperative CECT by estimating the percentage of necrosis found in static images and compared with post-operative histopathological findings. Tumor volume changes were measured by comparing CECT at diagnosis and following chemotherapy. Tumor volume change was also compared with histology.
RESULTS: There was a significant positive correlation between radiological response to necrosis with histology as per Pearson correlation. Significant positive correlation also found between volume changes on pre and post chemotherapy CECT with histology as per Spearman correlation.
CONCLUSIONS: The changes in tumors during preoperative radiological evaluation and histologically confirmed necrosis are strongly related.
OBJECTIVE: To correlate the percentage of necrosis and tumor volume change found in preoperative Contrast Enhance Computed Tomography (CECT) scan of the abdomen with post-operative histopathological findings of Wilms Tumor (WT).
METHODS: In this prospective study from January 2020 to December 2022, out of 33 patients, 15 patients with unilateral localized WT (stage I, II, and III) treated according to SIOP UMBRELLA protocol 2016 were included. Bilateral, syndromic, and stage IV WT were excluded. The radiological response was measured in preoperative CECT by estimating the percentage of necrosis found in static images and compared with post-operative histopathological findings. Tumor volume changes were measured by comparing CECT at diagnosis and following chemotherapy. Tumor volume change was also compared with histology.
RESULTS: There was a significant positive correlation between radiological response to necrosis with histology as per Pearson correlation. Significant positive correlation also found between volume changes on pre and post chemotherapy CECT with histology as per Spearman correlation.
CONCLUSIONS: The changes in tumors during preoperative radiological evaluation and histologically confirmed necrosis are strongly related.