Wilms’ tumor (WT) represents 6% of childhood cancers. Recent advances in molecular biology have significant implications for the clinical management. A dramatic improvement in overall cure has resulted from the adoption of multimodality treatment during the past few decades. National Wilms’ Tumor Study (NWTS), and the Société Internationale d’Oncologie Pédiatrique (SIOP) have laid down the guid...

Studies on the loss of heterozygosity (LOH) in human malignancies have shown that a number of different chromosomal regions associated with putative tumor suppressor genes may be involved in any one given tumor. We have carried out a similar study on Wilms' tumor using a range of DNA markers for a number of tumor suppressor regions. We tested a total of 44 \\ ilms" tumors including material fro...

We report a six-year-old Malay girl who presented with a right retroperitoneal tumour that measured 7.5 cm in diameter. A wide excision of the lesion was performed. The tumour was separated from a normal-appearing right kidney by a capsule. Microscopically, this well-encapsulated tumour was composed of classical triphasic components: epithelial, mesenchymal and blastemal areas. The immunohistoc...

A case of Wilms' tumor in a 57-year-old woman is reported. She was with a complaint of a palpable mass on the right upper abdomen. CT scan showed a non-hemogenous mass arising from the lower pole of the right kidney. After transarterial embolization, right transabdominal radical nephrectomy was performed under the diagnosis of renal cancer. Histopathological study revealed Wilms' tumor stage 2....

Chromosomes and histology were successfully studied in 33 childhood renal tumors. Thirty-one tumors were classified as one of four subtypes of Wilms' tumor. Of 24 typical Wilms' tumors, 12 had hyperdiploidy with nonrandom trisomies, mostly including +6 and/or +12. Three typical Wilms' tumors with an 11p13 deletion or a pericentric inversion with a break in 11p13 were not associated with aniridi...

Wilms' tumor is a childhood nephroblastoma that is postulated to arise through the inactivation of a tumor suppressor gene by a two-hit mechanism. A candidate II p 13 Wilms' tumor gene, WT I, has been cloned and shown to encode a z:inc finger protein. Patients with the WAGR syndrome (Wilms' tumor, aniridia, genitourinary abnormalities, and mental retardation) have a high risk of developing Wilm...

Wilms tumor (WT) is the most common renal malignancy seen in pediatric patients. Although lungs are site of metastasis Wilms tumor, non-malignant pleural effusion has been infrequently reported. Here, we report a case an eleven-year-old female who presented with abdominal mass and progressive breathlessness. On further evaluation, she was found to have right-sided ipsilateral massive eff...