Wilms Tumor
Starting on:
Feb 27, 2025
Ending on:
Feb 27, 2025
Moderator(s):
Venue:
KUTRRH
Max Credits:
3 Points

Provider:
Kenyatta University Teaching and Referral Hospital
Claim Points

Wilms Tumor

Starting on:
Feb 27, 2025
Ending on:
Feb 27, 2025
Venue:
KUTRRH

Description

Epidemiology Most common malignant renal tumor in childhood Peak: 3-4 years Cause: Sporadic Hereditary Genetic disorder Female > male Genetic WT1 – tumor suppressor gene - chromosome 11p12 - likely specific role in glomerular & gonadal development - Denys Drash syndrome - germline mutations are seen in 82% of WT patients with GU anomalies or renal failure - sporadic WT = 20% - familial WT = 4% Clinical syndrome 1. WAGR Syndrome - Wilms tumor, Aniridia, Genitourinary malformations, mental Retardation 2. Denys –Drash Syndrome - Wilms tumor, pseudohermaphroditism, mesangial sclerosis, renal failure 3. Beckwith-Wiedemann Syndrome - Somatic gigantism, omphalocele, macroglossia, GU anomalies, ear creases, hypoglycemia, hemihypertrophy, WT & other malignancies predisposition 4. Simpson-Golabi-Behmel Syndrome

Objectives

Presentation Well baby/child Incidental finding of abdominal swelling Mass – smooth, firm, non tender Gross hematuria - 25% Hypertensive Nonspecific symptoms: malaise, fever Symptomatic mets: rare Treatment: NWTS vs SIOP NWTS (National Wilms Tumor Study Group)/ US approach Primary surgery approach Confirms histology Adjuvant treatment based on surgical staging Additional prognostic implication of surgical pathology Potential upstaging of the tumor SIOP(International Society of Pediatric Oncology)/ European approach Pre op chemotherapy approach Reduced tumor spillage Tumor downstaging & improved surgical respectability Potentially avoids or reduces intensity of adjuvant therapy Ineffective therapies for patients with other renal tumors UK Children’s Cancer Group, UKW3 randomized trail: Immediate nephrectomy vs preoperative chemotherapy Improved stage distribution with preop approach 20% reduction use of RT or doxorubicin in adjuvant setting Similar event free and overall survival

Presenters

  1. Dr. Vivian Gathecha
    Dr.

Search For CPD Activity