Wilms’ tumor

Rakhee Gawande, Kriengkrai Iemsawatdikul, Heike E. Daldrup-Link, Beverley Newman

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Imaging description A 22-month-old female presented with a history of vomiting and a palpable right abdominal mass. An abdominal ultrasound (not shown) and an MRI of the abdomen (Fig. 64.1) demonstrated a large mass involving the right kidney, with distortion of the pelvicalyceal system. In addition a large tumor thrombus was noted in the right renal vein, extending into the inferior vena cava (IVC) to the level of the mid liver with marked dilatation of these vessels. The tumor thrombus also extended into the left renal vein, up to the renal hilum (Fig. 64.1). A renal biopsy confirmed the diagnosis of a Wilms’ tumor (WT). Importance. WT is the most common renal neoplasm in children, with 95% of cases occurring between 2 and 5 years of age. Five to seven percent of children have bilateral disease with 7% of cases being multicentric (Fig. 64.2). Nephrogenic rests, which are thought to be precursors of WT, are seen in 1% of neonates and it is believed that only 1% of these transform into WT. Histologically, WTs are of triphasic cell lineage comprising blastemal, stromal, and epithelial cells and about 7% are anaplastic. Favorable histology WT have absence of anaplasia, have a better prognosis, and are more responsive to chemotherapy. Unfavorable histology WTs exhibit anaplasia, are chemotherapy resistant, and are associated with an increased risk of recurrence.

Original languageEnglish (US)
Title of host publicationPearls and Pitfalls in Pediatric Imaging
Subtitle of host publicationVariants and Other Difficult Diagnoses
PublisherCambridge University Press
Pages269-275
Number of pages7
ISBN (Electronic)9781139084239
ISBN (Print)9781107017498
DOIs
StatePublished - Jan 1 2012
Externally publishedYes

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Wilms Tumor
Anaplasia
Renal Veins
Kidney
Histology
Thrombosis
Drug Therapy
Kidney Neoplasms
Inferior Vena Cava
Cell Lineage
Stromal Cells
Abdomen
Vomiting
Dilatation
Neoplasms
Epithelial Cells
Newborn Infant
Biopsy
Recurrence
Liver

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Gawande, R., Iemsawatdikul, K., Daldrup-Link, H. E., & Newman, B. (2012). Wilms’ tumor. In Pearls and Pitfalls in Pediatric Imaging: Variants and Other Difficult Diagnoses (pp. 269-275). Cambridge University Press. https://doi.org/10.1017/CBO9781139084239.065

Wilms’ tumor. / Gawande, Rakhee; Iemsawatdikul, Kriengkrai; Daldrup-Link, Heike E.; Newman, Beverley.

Pearls and Pitfalls in Pediatric Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2012. p. 269-275.

Research output: Chapter in Book/Report/Conference proceedingChapter

Gawande, R, Iemsawatdikul, K, Daldrup-Link, HE & Newman, B 2012, Wilms’ tumor. in Pearls and Pitfalls in Pediatric Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, pp. 269-275. https://doi.org/10.1017/CBO9781139084239.065
Gawande R, Iemsawatdikul K, Daldrup-Link HE, Newman B. Wilms’ tumor. In Pearls and Pitfalls in Pediatric Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press. 2012. p. 269-275 https://doi.org/10.1017/CBO9781139084239.065
Gawande, Rakhee ; Iemsawatdikul, Kriengkrai ; Daldrup-Link, Heike E. ; Newman, Beverley. / Wilms’ tumor. Pearls and Pitfalls in Pediatric Imaging: Variants and Other Difficult Diagnoses. Cambridge University Press, 2012. pp. 269-275
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