Wilms' tumor natural history, complications and prognosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sargun Singh Walia M.B.B.S.[2]
Overview
The symptoms of wilms tumor usually develop in the first decade of life, and start with symptoms such as an abdominal/flank mass. If left untreated, patients with wilms tumor may progress to develop hypertension, anemia, weight loss, renal failure and metastasis. The overall 5-year survival rate is approximately 63% for patients aged 10 to 16 years. Depending on various factors at the time of diagnosis, the prognosis may vary. These factors are histology of tumor, stage of tumor, genetic and molecular markers and age of the patient.
Natural History, Complications, and Prognosis
Natural History
- The symptoms of wilms tumor usually develop in the first decade of life, and start with symptoms such as an abdominal/flank mass.
- If left untreated, patients with wilms tumor may progress to develop hypertension, anemia, weight loss, renal failure and metastasis.
- The overall 5-year survival rate is approximately 63% for patients aged 10 to 16 years.
Complications
- Common complications of wilms tumor include:
- Hypertension
- Anu
- Anemia
- Weight loss
- Renal failure
- Metastasis to:[1]
- Lungs
- Liver
- Bone
- Brain
Prognosis
- Depending on various factors at the time of diagnosis, the prognosis may vary.[2]
- However, the prognosis can be tumor recurrence or death.
- These factors are:
- Histology of tumor
- Stage of the tumor
- Genetic and molecular markers
- Age of the patient
Histology of tumor
- 2 research groups have classified wilms tumor based on histology. These are:
- National Wilms Tumor Study / Children's Oncology Group (NWTS/COG) .
- International Society of Pediatric Oncology (SIOP).
- Prognosis is dependant on presence or absence of anaplasia.
- If anaplasia is positive then it signifies a poor prognosis in children.[3][4]
Stage of the tumor
- Staging of wilms tumor is done on the basis of:[5]
- Genetics
- Histology
- Molecular markers
- Stage I (43% of patients)
- Outcome: 98% 4-year survival; 85% 4-year survival if anaplastic
- Stage II (23% of patients)
- Outcome: 96% 4-year survival; 70% 4-year survival if anaplastic
- Stage III (23% of patients)
- Outcome: 95% 4-year survival; 56% 4-year survival if anaplastic
- Stage IV (10% of patients)
- Outcome: 90% 4-year survival; 17% 4-year survival if anaplastic
Genetic and molecular markers
- Multiple genetic and molecular markers can predict prognosis.[6] [7]
- These markers are:
- Loss of heterozygosity (LOH) at chromosomes:
- 1p
- 11p15
- 16q
- Gain in :
- 1q
- Loss of heterozygosity (LOH) at chromosomes:
- These markers are associated with increased risk of relapse and mortality.
Age of the patient
- Patient with age lass than 2 years have a better prognosis.[8]
- As the patient gets old the treatment related complication rate also increases.[9]
References
- ↑ Termuhlen AM, Tersak JM, Liu Q, Yasui Y, Stovall M, Weathers R, Deutsch M, Sklar CA, Oeffinger KC, Armstrong G, Robison LL, Green DM (December 2011). "Twenty-five year follow-up of childhood Wilms tumor: a report from the Childhood Cancer Survivor Study". Pediatr Blood Cancer. 57 (7): 1210–6. doi:10.1002/pbc.23090. PMC 4634648. PMID 21384541.
- ↑ Dome JS, Graf N, Geller JI, Fernandez CV, Mullen EA, Spreafico F, Van den Heuvel-Eibrink M, Pritchard-Jones K (September 2015). "Advances in Wilms Tumor Treatment and Biology: Progress Through International Collaboration". J. Clin. Oncol. 33 (27): 2999–3007. doi:10.1200/JCO.2015.62.1888. PMC 4567702. PMID 26304882.
- ↑ Zuppan CW, Beckwith JB, Luckey DW (October 1988). "Anaplasia in unilateral Wilms' tumor: a report from the National Wilms' Tumor Study Pathology Center". Hum. Pathol. 19 (10): 1199–209. PMID 2844645.
- ↑ D'Angio GJ, Evans A, Breslow N, Beckwith B, Bishop H, Farewell V, Goodwin W, Leape L, Palmer N, Sinks L, Sutow W, Tefft M, Wolff J (May 1981). "The treatment of Wilms' tumor: results of the Second National Wilms' Tumor Study". Cancer. 47 (9): 2302–11. PMID 6164480.
- ↑ Metzger ML, Dome JS (2005). "Current therapy for Wilms' tumor". Oncologist. 10 (10): 815–26. doi:10.1634/theoncologist.10-10-815. PMID 16314292.
- ↑ Perlman EJ, Grundy PE, Anderson JR, Jennings LJ, Green DM, Dome JS, Shamberger RC, Ruteshouser EC, Huff V (February 2011). "WT1 mutation and 11P15 loss of heterozygosity predict relapse in very low-risk wilms tumors treated with surgery alone: a children's oncology group study". J. Clin. Oncol. 29 (6): 698–703. doi:10.1200/JCO.2010.31.5192. PMC 3056654. PMID 21189373.
- ↑ D'Angio GJ (September 2008). "Pre- or postoperative therapy for Wilms' tumor?". J. Clin. Oncol. 26 (25): 4055–7. doi:10.1200/JCO.2008.16.5316. PMID 18757319.
- ↑ Breslow NE, Palmer NF, Hill LR, Buring J, D'Angio GJ (April 1978). "Wilms' tumor: prognostic factors for patients without metastases at diagnosis: results of the National Wilms' Tumor Study". Cancer. 41 (4): 1577–89. PMID 205340.
- ↑ Reinhard H, Aliani S, Ruebe C, Stöckle M, Leuschner I, Graf N (November 2004). "Wilms' tumor in adults: results of the Society of Pediatric Oncology (SIOP) 93-01/Society for Pediatric Oncology and Hematology (GPOH) Study". J. Clin. Oncol. 22 (22): 4500–6. doi:10.1200/JCO.2004.12.099. PMID 15542800.