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Patients With Colorectal and Renal Cell Carcinoma Diagnoses Appear to Be at Risk for Additional Malignancies.
MedLine Citation:
PMID:  23026110     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Small studies have demonstrated that patients who have both colorectal and renal cell carcinoma may be at increased risk for the development of additional malignancies. A possible genetic basis has been suggested. Our study describes the clinicopathologic features of these patients and clarifies the relationship of this cohort with Lynch syndrome (LS). METHODS: Patients with primary CRC and RCC treated at our institution were identified. Medical records were reviewed for demographic and clinical information. Immunohistochemical staining for mismatch repair (MMR) proteins was performed on tumor tissue when possible. RESULTS: During the study period, 24,642 patients were treated for CRC and 7,366 were treated for RCC at our institution. One hundred seventy-nine patients had both diagnoses, with 101 patients eligible for inclusion in our cohort. Tumors were typically early stage. The 2 cancers presented as synchronous lesions in 42% of patients. Thirty-two patients had 1 additional primary malignancy, 7 patients had 2 additional primary malignancies, and 3 patients had 3 additional primary malignancies. No patient had a family history that met the Amsterdam II criteria (AC) for LS, but 50% had family members with 1 malignancy. One of 10 colorectal tumors analyzed for the absence of MMR protein expression demonstrated the absence of MSH6, but the corresponding RCC demonstrated intact expression of all 4 MMR proteins. CONCLUSION: It is rare for patients to be diagnosed with both CRC and RCC. The clinicopathologic features of this cohort and the results of immunohistochemical analysis performed on a sample of these patients do not suggest LS. However, the high rate of additional carcinomas suggests a need for careful follow-up. Multicenter longitudinal studies are warranted to further understand the natural history and possible genetic basis for this entity.
Authors:
Emily Steinhagen; Harvey G Moore; Steven A Lee-Kong; Jinru Shia; Anne Eaton; Arnold J Markowitz; Paul Russo; José G Guillem
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-28
Journal Detail:
Title:  Clinical colorectal cancer     Volume:  -     ISSN:  1938-0674     ISO Abbreviation:  Clin Colorectal Cancer     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101120693     Medline TA:  Clin Colorectal Cancer     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Department of Surgery, Colorectal Service, Memorial Sloan-Kettering Cancer Center, New York, NY.
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