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Bell A, Rangaswami A, Murphy P, Meng M, Raphael R, Wu N, Goldsby R. Subsequent Renal Cancer Among Childhood Cancer Survivors: Analysis of Surveillance, Epidemiology, and End Results. J Pediatr Hematol Oncol 2024; 46:e387-e392. [PMID: 38934569 PMCID: PMC11268548 DOI: 10.1097/mph.0000000000002910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/15/2024] [Indexed: 06/28/2024]
Abstract
Renal cancer, although still rare among individuals under 45 years of age, is on the rise in the general population. The risk and timing of subsequent renal cancer in survivors of childhood cancer is not well established. Using the SEER registry, we reported the incidence of subsequent malignant renal neoplasms after treatment for primary malignancy diagnosed under 20 years of age. We evaluated clinical characteristics, standardized incidence ratio (SIR), and Kaplan-Meier survival estimates. Fifty-three survivors developed subsequent renal cancer (54 total cases). Of these, 54.7% were female, 88.7% were white, and 13.2% were Hispanic. Mean ages at primary malignancy and subsequent renal cancer were 10.1 and 31.1 years, respectively. Forty-seven cases were second cancers, 6 were third, and 1 was fourth. For survivors of childhood cancer, the overall SIR for renal cancer was 4.52 (95% CI: 3.39-5.89). The 5-year overall survival rate after development of subsequent renal cancer was 73% (95% CI: 58%-83%). Renal cancer occurs 4.5 times more frequently in childhood cancer survivors than in the general population, necessitating long-term care considerations.
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Affiliation(s)
| | | | | | - Max Meng
- Urology, UCSF Benioff Children’s Hospitals, San Francisco, CA
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Secondary renal neoplasia following chemotherapy or radiation in pediatric patients. Hum Pathol 2020; 103:1-13. [PMID: 32681944 DOI: 10.1016/j.humpath.2020.07.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/07/2020] [Accepted: 07/10/2020] [Indexed: 01/19/2023]
Abstract
Renal neoplasia occurring as a second malignancy following childhood cancer has been most closely associated with neuroblastoma and Wilms tumor. While some cases have been associated with a genetic predisposition, nearly all are thought to result from "late effects" of therapy-related toxicity that involves chemotherapy or radiation. It is unclear if these tumors are enriched for specific molecular or morphologic characteristics. A query of our institutional nephrectomy registry of 8295 patients for renal neoplasia occurring post-treatment for childhood cancer revealed 6 patients with Wilms tumor, 4 with neuroblastoma, and 1 with acute lymphoblastic leukemia (ALL). Three additional cases of MiT family translocation renal cell carcinoma (RCC), from 2 patients, following chemotherapy for neuroblastoma and systemic lupus erythematosus and another of clear cell RCC post-ALL were included. The most common tumor type was clear cell RCC: 9/19 cases (47.4%), followed by metanephric adenoma and MiT family translocation RCC (3/19, 15.8%). There were no characteristic features to indicate a unique renal neoplasia subtype. Potential syndromic renal neoplasia occurred in 2 patients, metanephric adenomas and oncocytoma in a patient with hyperparathyroidism-jaw tumor syndrome post-treatment of Wilms tumor and a fumarate hydratase-deficient RCC in a patient post-treatment for ALL. The mean age at diagnosis of childhood neoplasia or treatment with chemotherapy or radiation was 4.7 years, and the average time to subsequent renal neoplasia was 31 years. Five (of 14) patients developed metastatic RCC, and there were 2 RCC-related deaths. These results indicate the need for extended clinical follow-up of these patients.
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Renal Cell Carcinoma Occurring in Patients With Prior Neuroblastoma: A Heterogenous Group of Neoplasms. Am J Surg Pathol 2017; 40:989-97. [PMID: 26975037 DOI: 10.1097/pas.0000000000000632] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Renal cell carcinoma (RCC) associated with neuroblastoma (NB) was included as a distinct entity in the 2004 World Health Organization classification of kidney tumors. A spectrum of RCC subtypes has been reported in NB survivors. We herein describe a series of 8 RCCs diagnosed in 7 patients with a history of NB. Microscopic evaluation, immunohistochemical staining for PAX8, cathepsin K, and succinate dehydrogenase subunit B (SDHB), and fluorescence in situ hybridization (FISH) for TFE3 and TFEB were performed. Four distinct morphologic subtypes were identified: 3 tumors were characterized by cells with abundant oncocytoid cytoplasm and irregular nuclei; 3 showed features of microphthalmia transcription factor family translocation RCC (MiTF-RCC); 1 had features of hybrid oncocytic-chromophobe tumor; 1 had papillary RCC histology. All RCCs expressed PAX8 and retained SDHB expression. Cathepsin K was positive in 2 MiTF-RCCs, 1 was TFEB FISH positive, and the other was indeterminate. Cathepsin K was negative in a third MiTF-RCC with TFE3 rearrangement. TFE3 FISH was negative in 4 and insufficient in 1 of the other 5 RCCs. While a subset of RCCs associated with NB is characterized by cells with prominent oncocytoid cytoplasm, other RCC subtypes also occur in post-NB patients. Renal neoplasms occurring in patients with a history of NB do not represent a single entity but a heterogenous group of RCCs. SDHB mutations do not explain the subset of nontranslocation RCCs with oncocytoid features; therefore, further studies are needed to clarify whether they may represent a distinct entity with unique molecular abnormalities or may belong to other emerging RCC subtypes.
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Al-Mashaikhi N, Yang J, Terry J, Barr R. Renal cell carcinoma with Xp 11.2 translocation as a second tumor in a long-term survivor of advanced neuroblastoma. Pediatr Hematol Oncol 2015; 32:215-22. [PMID: 25551622 DOI: 10.3109/08880018.2014.979457] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Renal cell carcinoma (RCC) is an uncommon tumor in childhood and adolescence, and is exceptionally rare as a secondary neoplasm related to prior anti-neoplastic therapy. We report a case of RCC with Xp11.2 translocation in a 17 year old boy who is a survivor of stage 4 neuroblastoma 13 years earlier.
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Affiliation(s)
- Nawal Al-Mashaikhi
- 1Department of Pediatrics, McMaster University , Hamilton, Ontario , Canada
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Wilson CL, Ness KK, Neglia JP, Hammond S, Shnorhavorian M, Leisenring WL, Stovall M, Robison LL, Armstrong GT. Renal carcinoma after childhood cancer: a report from the childhood cancer survivor study. J Natl Cancer Inst 2013; 105:504-8. [PMID: 23515901 DOI: 10.1093/jnci/djt014] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Adult survivors of childhood cancer are known to be at increased risk of subsequent malignancy, but only limited data exist describing the incidence and risk factors for secondary renal carcinoma. Among 14 358 5-year survivors diagnosed between 1970 and 1986, we estimated standardized incidence ratios (SIRs) for subsequent renal carcinoma and identified associations with primary cancer therapy using Poisson regression. Twenty-six survivors were diagnosed with renal carcinoma (median = 22.6 years from diagnosis; range = 6.3-35.7 years), reflecting a statistically significant excess (SIR = 8.0, 95% confidence interval [CI] = 5.2 to 11.7) compared with the general population. Highest risk was observed among neuroblastoma survivors (SIR = 85.8, 95% CI = 38.4 to 175.2) and, in multivariable analyses, with renal-directed radiotherapy of 5 Gy or greater (relative risk [RR] = 3.8, 95% CI = 1.6 to 9.3) and platinum-based chemotherapy (RR = 3.5, 95% CI = 1.0 to 11.2). To our knowledge, this is the first report of an association between cisplatin and subsequent renal carcinoma among survivors of childhood cancer.
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Affiliation(s)
- Carmen L Wilson
- Department of Epidemiology & Cancer Control, St. Jude Children's Research Hospital, 262 Danny Thomas Pl, MS-735, Memphis, TN 38105, USA.
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Rapid development of metastatic Xp11 translocation renal cell carcinoma in a girl treated for neuroblastoma. J Pediatr Hematol Oncol 2009; 31:602-4. [PMID: 19636262 DOI: 10.1097/mph.0b013e3181acd981] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We report the case of a 5-year-old girl with metastatic renal cell carcinoma (RCC) diagnosed 19 months after treatment for neuroblastoma. Immunostaining of the secondary tumor was consistent with Xp11 translocation morphology. This is the second report of this translocation RCC presenting after neuroblastoma and the most rapid onset of RCC reported thus far. The literature regarding secondary RCC after neuroblastoma is reviewed and our case is placed within this historical context. As our understanding of the genetic changes in pediatric tumors advances, the reporting of these rare cases with specific emphasis on genetic testing provides a resource for clinicians and researchers.
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Bassal M, Mertens AC, Taylor L, Neglia JP, Greffe BS, Hammond S, Ronckers CM, Friedman DL, Stovall M, Yasui YY, Robison LL, Meadows AT, Kadan-Lottick NS. Risk of selected subsequent carcinomas in survivors of childhood cancer: a report from the Childhood Cancer Survivor Study. J Clin Oncol 2006; 24:476-83. [PMID: 16421424 DOI: 10.1200/jco.2005.02.7235] [Citation(s) in RCA: 178] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
PURPOSE To determine the risk of subsequent carcinomas other than breast, thyroid, and skin, and to identify factors that influence the risk among survivors of childhood cancer. PATIENTS AND METHODS Subsequent malignant neoplasm history was determined in 13,136 participants (surviving > or = 5 years postmalignancy, diagnosed from 1970 to 1986 at age < 21 years) of the Childhood Cancer Survivor Study to calculate standardized incidence ratios (SIRs), using Surveillance, Epidemiology, and End Results data. RESULTS In 71 individuals, 71 carcinomas were diagnosed at a median age of 27 years and a median elapsed time of 15 years in the genitourinary system (35%), head and neck area (32%), gastrointestinal tract (23%), and other sites (10%). Fifty-nine patients (83%) had received radiotherapy, and 42 (59%) developed a second malignant neoplasm in a previous radiotherapy field. Risk was significantly elevated following all childhood diagnoses except CNS neoplasms, and was highest following neuroblastoma (SIR = 24.2) and soft tissue sarcoma (SIR = 6.2). Survivors of neuroblastoma had a 329-fold increased risk of renal cell carcinomas; survivors of Hodgkin's lymphoma had a 4.5-fold increased risk of gastrointestinal carcinomas. Significantly elevated risk of head and neck carcinoma occurred in survivors of soft tissue sarcoma (SIR = 22.6), neuroblastoma (SIR = 20.9), and leukemia (SIR = 20.9). CONCLUSION Young survivors of childhood cancers are at increased risk of developing subsequent carcinomas typical of later adulthood, underscoring the importance of long-term follow-up and risk-based screening. Follow-up of the cohort is ongoing to determine lifetime risk and delineate individual characteristics that contribute to risk.
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Affiliation(s)
- Mylène Bassal
- Division of Pediatric Hematology/Oncology/BMT, University of Colorado Health Sciences Center, Denver, CO, USA
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Altinok G, Kattar MM, Mohamed A, Poulik J, Grignon D, Rabah R. Pediatric renal carcinoma associated with Xp11.2 translocations/TFE3 gene fusions and clinicopathologic associations. Pediatr Dev Pathol 2005; 8:168-80. [PMID: 15747097 DOI: 10.1007/s10024-004-9106-3] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2004] [Accepted: 12/15/2004] [Indexed: 01/30/2023]
Abstract
Renal cell carcinomas (RCCs) are rare in children and studies of their subtypes and clinicopathologic associations are limited to small series. We identified 8 patients with RCC treated at our institution between 1981 and 2003, reviewed their clinicopathologic features, cytogenetics findings, and evaluated the status of TFE3 expression by immunohistochemistry and numerical chromosomal alterations by interphase fluorescent in situ hybridization on paraffin-embedded tissue. These 8 patients (5 female and 3 male) had diploidy, and 5 had morphologic features compatible with the recently described RCC associated with Xp11.2 translocations/TFE3 gene fusions and demonstrated nuclear labeling for TFE3 protein by immunohistochemistry. The translocation was confirmed in 2 of these 5 patients by conventional cytogenetics. One case was a high-grade nonpapillary RCC and the other was compatible with type 2 papillary RCC. Four patients showed at least 1 chromosomal gain including trisomy 7 and/or trisomy 17. None of the tumors from male patients showed evidence of loss of the Y chromosome, but 2 patients showed numerical abnormalities of X chromosome +add(X). Two patients had sickle cell disease, and 1 of these also had stage IV-S neuroblastoma. This study suggests that many cases of RCC in children reported under the terms "papillary" and "clear cell" likely represent Xp11.2 translocation/TFE3 gene fusion-associated RCC. It also emphasizes the unusual associations of RCC with neuroblastoma and sickle cell hemoglobinopathy, which need further study.
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MESH Headings
- Adolescent
- Anemia, Sickle Cell/complications
- Anemia, Sickle Cell/genetics
- Anemia, Sickle Cell/pathology
- Artificial Gene Fusion
- Basic Helix-Loop-Helix Leucine Zipper Transcription Factors
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/metabolism
- Carcinoma, Renal Cell/pathology
- Carcinoma, Renal Cell/therapy
- Cell Nucleus/genetics
- Cell Nucleus/pathology
- Child
- Child, Preschool
- Chromosome Painting
- Chromosomes, Human, Pair 11
- Chromosomes, Human, X
- Combined Modality Therapy
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Female
- Humans
- Immunohistochemistry
- Infant
- Karyotyping
- Kidney Neoplasms/genetics
- Kidney Neoplasms/metabolism
- Kidney Neoplasms/pathology
- Kidney Neoplasms/therapy
- Male
- Neoplasms, Multiple Primary
- Ploidies
- Transcription Factors/genetics
- Transcription Factors/metabolism
- Translocation, Genetic
- Treatment Outcome
- Wilms Tumor/genetics
- Wilms Tumor/pathology
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Affiliation(s)
- G Altinok
- Department of Pathology, Children's Hospital of Michigan and Wayne State University, Detroit, MI, USA
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Bruder E, Passera O, Harms D, Leuschner I, Ladanyi M, Argani P, Eble JN, Struckmann K, Schraml P, Moch H. Morphologic and Molecular Characterization of Renal Cell Carcinoma in Children and Young Adults. Am J Surg Pathol 2004; 28:1117-32. [PMID: 15316311 DOI: 10.1097/01.pas.0000131558.32412.40] [Citation(s) in RCA: 161] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
A new WHO classification of renal cell carcinoma has been introduced in 2004. This classification includes the recently described renal cell carcinomas with the ASPL-TFE3 gene fusion and carcinomas with a PRCC-TFE3 gene fusion. Collectively, these tumors have been termed Xp11.2 or TFE3 translocation carcinomas, which primarily occur in children and young adults. To further study the characteristics of renal cell carcinoma in young patients and to determine their genetic background, 41 renal cell carcinomas of patients younger than 22 years were morphologically and genetically characterized. Loss of heterozygosity analysis of the von Hippel-Lindau gene region and screening for VHL gene mutations by direct sequencing were performed in 20 tumors. TFE3 protein overexpression, which correlates with the presence of a TFE3 gene fusion, was assessed by immunohistochemistry. Applying the new WHO classification for renal cell carcinoma, there were 6 clear cell (15%), 9 papillary (22%), 2 chromophobe, and 2 collecting duct carcinomas. Eight carcinomas showed translocation carcinoma morphology (20%). One carcinoma occurred 4 years after a neuroblastoma. Thirteen tumors could not be assigned to types specified by the new WHO classification: 10 were grouped as unclassified (24%), including a unique renal cell carcinoma with prominently vacuolated cytoplasm and WT1 expression. Three carcinomas occurred in combination with nephroblastoma. Molecular analysis revealed deletions at 3p25-26 in one translocation carcinoma, one chromophobe renal cell carcinoma, and one papillary renal cell carcinoma. There were no VHL mutations. Nuclear TFE3 overexpression was detected in 6 renal cell carcinomas, all of which showed areas with voluminous cytoplasm and foci of papillary architecture, consistent with a translocation carcinoma phenotype. The large proportion of TFE3 "translocation" carcinomas and "unclassified" carcinomas in the first two decades of life demonstrates that renal cell carcinomas in young patients contain genetically and phenotypically distinct tumors with further potential for novel renal cell carcinoma subtypes. The far lower frequency of clear cell carcinomas and VHL alterations compared with adults suggests that renal cell carcinomas in young patients have a unique genetic background.
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Eble JN. Mucinous tubular and spindle cell carcinoma and post-neuroblastoma carcinoma: newly recognised entities in the renal cell carcinoma family. Pathology 2003; 35:499-504. [PMID: 14660100 DOI: 10.1080/00313020310001619929] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- John N Eble
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Medical Science Room A128, 635 Barnhill Drive, Indianapolis, IN 46202-5120, USA.
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Fleitz JM, Wootton-Gorges SL, Wyatt-Ashmead J, McGavran L, Koyle M, West DC, Kurzrock EA, Martin KW, Odom LF. Renal cell carcinoma in long-term survivors of advanced stage neuroblastoma in early childhood. Pediatr Radiol 2003; 33:540-5. [PMID: 12748834 DOI: 10.1007/s00247-003-0913-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2003] [Accepted: 02/25/2003] [Indexed: 11/30/2022]
Abstract
BACKGROUND Renal cell carcinoma (RCC) is rare in children and comprises only 1-3% of all pediatric primary renal tumors. Recently, several case reports have described RCC developing in patients previously treated for advanced stage neuroblastoma (NB). METHODS AND RESULTS Our experience with four patients treated for advanced stage NB during early childhood who developed RCC later in life are added to 14 others in the literature. CONCLUSION These patients and our review of the literature suggest an association between RCC and NB that warrants further study.
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Affiliation(s)
- Julie M Fleitz
- The Children's Hospital, 1056 East 19th Avenue, Denver, CO 80218, USA.
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KOYLE MARTINA, HATCH DAVIDA, FURNESS PETERD, LOVELL MARKA, ODOM LORRIEF, KURZROCK ERICA. LONG-TERM UROLOGICAL COMPLICATIONS IN SURVIVORS YOUNGER THAN 15 MONTHS OF ADVANCED STAGE ABDOMINAL NEUROBLASTOMA. J Urol 2001. [DOI: 10.1016/s0022-5347(05)65808-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- MARTIN A. KOYLE
- From the Departments of Pediatric Urology, Pathology and Oncology, Children’s Hospital and University of Colorado School of Medicine, Denver, Colorado; Department of Urology, Loyola University School of Medicine, Maywood, Illinois, and Department of Urology, University of California at Davis School of Medicine, Sacramento, California
| | - DAVID A. HATCH
- From the Departments of Pediatric Urology, Pathology and Oncology, Children’s Hospital and University of Colorado School of Medicine, Denver, Colorado; Department of Urology, Loyola University School of Medicine, Maywood, Illinois, and Department of Urology, University of California at Davis School of Medicine, Sacramento, California
| | - PETER D. FURNESS
- From the Departments of Pediatric Urology, Pathology and Oncology, Children’s Hospital and University of Colorado School of Medicine, Denver, Colorado; Department of Urology, Loyola University School of Medicine, Maywood, Illinois, and Department of Urology, University of California at Davis School of Medicine, Sacramento, California
| | - MARK A. LOVELL
- From the Departments of Pediatric Urology, Pathology and Oncology, Children’s Hospital and University of Colorado School of Medicine, Denver, Colorado; Department of Urology, Loyola University School of Medicine, Maywood, Illinois, and Department of Urology, University of California at Davis School of Medicine, Sacramento, California
| | - LORRIE F. ODOM
- From the Departments of Pediatric Urology, Pathology and Oncology, Children’s Hospital and University of Colorado School of Medicine, Denver, Colorado; Department of Urology, Loyola University School of Medicine, Maywood, Illinois, and Department of Urology, University of California at Davis School of Medicine, Sacramento, California
| | - ERIC A. KURZROCK
- From the Departments of Pediatric Urology, Pathology and Oncology, Children’s Hospital and University of Colorado School of Medicine, Denver, Colorado; Department of Urology, Loyola University School of Medicine, Maywood, Illinois, and Department of Urology, University of California at Davis School of Medicine, Sacramento, California
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LONG-TERM UROLOGICAL COMPLICATIONS IN SURVIVORS YOUNGER THAN 15 MONTHS OF ADVANCED STAGE ABDOMINAL NEUROBLASTOMA. J Urol 2001. [DOI: 10.1097/00005392-200110000-00069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Medeiros LJ, Palmedo G, Krigman HR, Kovacs G, Beckwith JB. Oncocytoid renal cell carcinoma after neuroblastoma: a report of four cases of a distinct clinicopathologic entity. Am J Surg Pathol 1999; 23:772-80. [PMID: 10403299 DOI: 10.1097/00000478-199907000-00004] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Four children who developed oncocytoid renal cell carcinoma (RCC) after neuroblastoma are reported. One patient had multiple, bilateral RCCs. The mean age at time of diagnosis of RCC was 8.8 years (range, 5-13 years). The mean interval between neuroblastoma and RCC was 7.15 years (range, 3.1-11.5 years). The histologic findings of these RCCs did not fit within the spectrum of known renal epithelial neoplasms. Most of the neoplastic cells in all cases had eosinophilic, oncocytoid cytoplasm and were arranged in solid and papillary growth patterns. A subset of cells with reticular cytoplasm was also present. Immunohistochemical studies demonstrated keratins 8 and 18 in all neoplasms and keratin 20 in two cases. DNA ploidy analysis revealed that two of three neoplasms assessed were aneuploid. Cytogenetic studies revealed 45, XX, add or dup (7)(q32q36) in one neoplasm, and 83-89, XXXX, -1 ,-3, del (3)(q11.1q2?1), der(4)t(4;?22) (q32;q11.2), -14, -22 in a second tumor. Microsatellite polymerase chain reaction analysis detected no abnormalities in one neoplasm and allelic imbalance of chromosomes 2p31-32.2, 8p22, 9p22-24, 13q22, 20q13, and 22q11 in a second tumor. In case 4, two different RCCs excised 6 months apart were analyzed. The initial neoplasm showed allelic imbalance of chromosomes 2q31-32.2, 5q22, 5q31, 10p13-14, 13q22, 14q31, and 20q13. The subsequent neoplasm showed allelic imbalance of chromosomes 3p21.3, 14q31, and 20q13. The common presence of 14q31 and 20q13 abnormalities suggests that these two neoplasms were genetically related. In aggregate, these findings are distinctive, are not found in known types of RCC, and support the morphologic impression that oncocytoid RCC after neuroblastoma is a distinct clinicopathologic entity.
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MESH Headings
- Adenoma, Oxyphilic/epidemiology
- Adenoma, Oxyphilic/genetics
- Adenoma, Oxyphilic/metabolism
- Adenoma, Oxyphilic/pathology
- Adolescent
- Aneuploidy
- Biomarkers, Tumor/metabolism
- Carcinoma, Renal Cell/epidemiology
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/metabolism
- Carcinoma, Renal Cell/pathology
- Child
- Child, Preschool
- Female
- Humans
- Immunohistochemistry
- Karyotyping
- Kidney Neoplasms/epidemiology
- Kidney Neoplasms/genetics
- Kidney Neoplasms/metabolism
- Kidney Neoplasms/pathology
- Microsatellite Repeats/genetics
- Neoplasms, Second Primary/epidemiology
- Neoplasms, Second Primary/genetics
- Neoplasms, Second Primary/metabolism
- Neoplasms, Second Primary/pathology
- Neuroblastoma/therapy
- Polymerase Chain Reaction
- Polyploidy
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Affiliation(s)
- L J Medeiros
- Department of Pathology, The University of Texas M.D. Anderson Cancer Center, Houston 77030, USA.
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