CT Abdomen/Pelvis with IV contrast is the mainstay; MRI is useful in complex vascular cases. Imaging is essential for differentiating Wilms tumor from other pediatric renal masses (e.g., nephroblastomatosis, cystic nephroma).
: No specific diagnostic biomarkers exist, but basic metabolic panels assess overall organ function. Slide 7: Histopathological Classification
Modern imaging is crucial for diagnosis, staging, and follow-up.
The symptoms of Wilms tumor can vary, but common signs include: wilms tumor ppt new
: Smooth, firm, and usually does not cross the midline.
Crucial for evaluating the tumor, assessing vascular invasion, and identifying lung metastases.
While most cases are sporadic, Wilms tumor can be associated with certain congenital anomalies and genetic syndromes, including: CT Abdomen/Pelvis with IV contrast is the mainstay;
: Rarely occurs after the age of 5, though adult cases exist.
: Overgrowth disorder caused by alterations on chromosome 11p15. Characterized by macroglossia, omphalocele, and hemihyperplasia.
: Caused by increased renin production due to renal ischemia from tumor compression. While most cases are sporadic, Wilms tumor can
In conclusion, Wilms tumor is a rare type of kidney cancer that primarily affects children. It is a malignant tumor that can cause a range of symptoms, including abdominal swelling, abdominal pain, and blood in the urine. Diagnosis involves a combination of physical examination, imaging tests, and laboratory tests. Treatment typically involves a combination of surgery, chemotherapy, and radiation therapy. The prognosis depends on several factors, including the stage of the disease, the age of the child, and the histology of the tumor. With prompt and effective treatment, most children with Wilms tumor can achieve a good outcome.
: Tumor extends beyond the kidney but is completely resected; margins are negative.
: Echocardiograms for patients exposed to Doxorubicin.
: Blastemal, Epithelial, and Stromal cells. Favorable Histology : Excellent outcomes, lacks anaplasia.
| Stage | Description | |-------|-------------| | I | Tumor limited to kidney, completely excised, capsule intact. | | II | Tumor extends beyond kidney (perirenal fat, renal sinus), completely excised with no residual. | | III | Residual non-hematogenous tumor after surgery (positive margins, lymph nodes, peritoneal implants, spillage). | | IV | Hematogenous metastases (lung, liver, bone, brain) or lymph nodes beyond abdomen. | | V | Bilateral renal involvement at diagnosis. |