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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diseases of the colon & rectum 42 (1999), S. 1-9 
    ISSN: 1530-0358
    Keywords: Hereditary nonpolyposis colorectal cancer ; Hereditary cancer ; Molecular genetics ; Mismatch repair ; Genetic testing ; Genetic counseling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract One of the earliest references to heredity in colorectal cancer dates to Aldred Warthin's now-famous recollection of his seamstress' distress regarding “cancer excess” in her family history. her predication of an early demise secondary to cancer of the female organs, colon, or stomach proved true. The slow, arduous investigation that ensued followed a tortuous route of nearly eight decades before the implications of such family histories were widely acknowledged through the degisnation of hereditary nonpolyposis colorectal cancer or Lynch Syndrome Variants I and II. The story of hereditary nonpolyposis colorectal cancer is one of chance meetings, the selfless sharing of information, perseverance in the face of adversity, meticulous scientific documentation, and ultimate vindication by a scientific process that yielded molecular genetic evidence through the identification of the culprit mutations (hMSH2, hMLH1, hPMS2, and hMSH6). Our purpose is to provide a brief outline of the course charted by the study of the genetics of hereditary nonpolyposis colorectal cancer. This should be of particular interest to the readers of this Journal as we celebrate 100 years of dedication to the diagnosis and treatment of diseases of the colon, rectum, and anus through the efforts of The American Society of Colon and Rectal Surgeons.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1530-0358
    Keywords: Cancer genetics ; Colorectal cancer ; Genetic counseling ; Hereditary cancer ; Hereditary nonpolyposis colorectal cancer (HNPCC) ; Lynch syndrome II
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: We updated an Uruguayan family with hereditary nonpolyposis colorectal cancer first described in 1977, incorporating knowledge of how thehMLH1 germline mutation has been established and shown to segregate in accord with the expected autosomal dominant mode of genetic transmission. METHODS: DNA-based molecular genetic testing was performed in conjunction with genetic counseling. Individuals were provided with their genetic test results, so that at-risk family members would be able to benefit from targeted management programs. RESULTS: We counseled 19 members of this kindred, 13 of whom were positive for thehMLH1 germline mutation. Specific recommendations for surveillance and management were provided. We were able to describe follow-up, including anecdotal cancer survival and pathology findings extending from the initial 1977 report of this family to the present. A remarkable sibship within this kindred was comprised of eight siblings, six of whom underwent resections for colorectal carcinoma between 1963 and 1971. Colon carcinomas before 1977 in this sibship were treated with classic hemicolectomies. Of those who had hemicolectomies for their first primary colorectal cancers, two had a second colon cancer primary, and two had a third colon cancer primary. CONCLUSIONS: Attention given to this extended family with hereditary nonpolyposis colorectal cancer has had a positive impact on the physician community in Uruguay, leading to the identification of additional families with hereditary nonpolyposis colorectal cancer.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Breast cancer research and treatment 11 (1988), S. 263-267 
    ISSN: 1573-7217
    Keywords: early onset breast cancer ; familial breast cancer ; hereditary breast cancer ; mammography ; risk ; screening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Since full breast cancer screening is not generally recommended for young women, it is important to identify individuals who are at higher risk for early onset breast cancer. We investigated the relationship between age of onset of breast cancer in 328 probands (consecutively ascertained patients from our oncology clinic) and breast cancer incidence and age of onset in their female relatives. We found that a family history of early onset breast cancer was associated with higher risk of early onset breast cancer. A family history of early onset breast cancer occurred more frequently among young (〈40) breast cancer probands than among older (⩾40) breast cancer probands (p〈0.001; OR = 23). This relationship was particularly evident when the analysis was restricted to thehereditary breast cancer probands (p〈0.001; OR = 44). We also observed a positive family history of breast cancer (any age) more frequently in young breast cancer probands than in older breast cancer probands (p〈0.001; OR = 2.8). These observations have important pragmatic implications for surveillance. We recommend intense surveillance for breast cancer, initiated earlier, for women with close relatives diagnosed with early onset breast cancer.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-7217
    Keywords: BCRA1 ; BCRA2 ; familial breast cancer ; hereditary breast cancer ; pathology ; DNA cytometry ; tubular-lobular group
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Four BRCA2 hereditary breast cancer (HBC) families manifested significant excesses of ‘tubular-lobular group’ (TLG) invasive carcinomas and lobular carcinoma in situ/atypical lobular hyperplasia in comparison to BRCA1-HBC cases.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1573-7217
    Keywords: hereditary breast cancer ; early onset ; diagnostic clues ; family history
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Knowledge of the family history of cancer may significantly influence diagnosis and surgical management. Hereditary breast cancer (HBC) is common and accounts for approximately 9% of the total breast cancer burden. The pattern of HBC's natural history, including age of onset, increased incidence of bilaterality, integral tumor combinations in certain kindreds, and vertical transmission consonant with an autosomal dominantly inherited factor, when observed in context with the family history, enables pattern recognition so that the diagnosis might be facilitated. We describe seven families from our Hereditary Cancer Consultation Center (HCCC) and the Creighton Oncology Clinic which are noteworthy for extraordinarily early age of onset. This appears to be an additional example of heterogeneity in HBC and may represent the first account of this remarkable subset. The manner in which age of onset can be incorporated with other aspects of natural history for expediting diagnosis is discussed.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Breast cancer research and treatment 15 (1990), S. 63-71 
    ISSN: 1573-7217
    Keywords: genetics ; hereditary breast cancer ; clinical features ; cancer control ; family studies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Patients from hereditary breast cancer-prone (HBC) families provide one of the most powerful and potentially cost effective models for cancer prevention and control. Paradoxically, this opportunity is often missed in the clinical practice setting due, in part, to inattention to the family history and/or lack of knowledge about breast cancer genetics. We describe the family study process, wherein documentation of genealogy, medical, and cancer history through pathology verification is attained, often on extended families. The findings of such studies are illustrated by description of nine breast cancer-prone families. These families illustrate several important clinical/geneticfeatures such as age of cancer onset, bilaterality and/or multiple primary cancer occurrences, incomplete gene penetrance, and the identification of putative obligate gene carriers. Interpretation of HBC pedigrees is dependent upon the understanding of these issues, which in turn may enable the physician to more readily identify those individuals who might benefit from highly targeted breast cancer control measures.
    Type of Medium: Electronic Resource
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