Wilms' tumor in adults

Pediatric regimens in the treatment of adult-onset, metastatic Wilms tumor: A case report

The optimal treatment of adult-onset Wilms tumors (WTs) in elderly patients is a debated area, as pediatric protocols are thought to carry unacceptable toxicity. We treated a 62-year-old female with good performance status and Stage IV (T1b N1 M1) favorable histology WT using pediatric adjuvant and salvage chemoradiation protocols. Though she experienced nodal relapse and both adjuvant and salvage treatment were discontinued early due to toxicity, she obtained excellent oncologic outcomes, having remained disease-free for 32 months. We recommend considering pediatric protocols for elderly WT patients with good performance status, anticipating dose reductions and possible early chemotherapy termination.

Adult Wilms with Biphasic Pattern; A Case Report

Background:

Wilms' tumor, nephroblastoma, is an extremely uncommon kidney tumor of adulthood. We reported a woman with a huge kidney mass diagnosed with nephroblastoma.

Case presentation:

A 39-year-old female was assessed due to right flank pain. CT scan revealed a mass measuring 128×100 mms involving the upper portion of the right kidney. The patient underwent nephrectomy, and the diagnosis of adult Wilms' tumor was confirmed based on the morphological and immunohistochemical findings.

Conclusion:

In adult patients with flank pain and renal mass, the diagnosis of Wilms' tumor should be pronounced in the absence of histopathologic features of renal cell carcinoma.

Antiangiogenic therapy for Wilms tumor in an adult and literature review

Wilms tumor is extremely rare in adults. There is no standard treatment for Wilms tumor in adults, and the therapy protocols are based on those used in children. Here, we report a case of Wilms tumor in a 24-year-old woman who was effectively treated with apatinib, a small-molecule inhibitor of vascular endothelial growth factor receptor-2. The favorable outcome suggested that antiangiogenic therapy might be effective in treating adults with Wilms tumors. Starting with this case, we reviewed the features of Wilms tumors in adults and its treatment with antiangiogenic therapy. The information in this review could provide a novel approach to treating adults with Wilms tumors.

Adult Wilms’ tumor: Review of literature

Background. The most common renal tumors in adults is renal cell carcinoma. Wilms’ tumor in subjects older than 16 years is rare; only 3% of Wilms’ tumors are reported in adults, which explain the difficulties in diagnosis and treatment of this tumor entity in this age group.

Methods. Patient with stage IV adult nephroblastoma with favorable histology was described, current treatment modalities were discussed, and the literature was reviewed.

Results. Nineteen year old female patient is presented with renal mass, abdominal lymphadenopathy, and bilateral pulmonary deposits. Sonar guided biopsy from the renal mass was taken and pathology revealed nephroblastoma. Right nephrectomy was performed and the pathological examination revealed classic histology of nephroblastoma. The case diagnosed as stage IV adult Wilms’ tumor with favorable histology. According to National Wilms’ Tumor Study Group (NWTS-3), multimodal therapy was initiated immediately after surgery. The patient failed to respond to the first line therapy and died due to disease progression.

Conclusion. Adult Wilms’ tumor has no specific guidelines and this may lead to improper or incorrect treatment.