Research Topics
| Christina A ClarkeSummaryAffiliation: Northern California Cancer Center Country: USA Publications
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Publications
Population-based surveillance of HIV-associated cancers: utility of cancer registry dataChristina A Clarke
Northern California Cancer Center, Union City, CA 94587, USA
J Acquir Immune Defic Syndr 36:1083-91. 2004..At least in this region, cancer registry data represent a useful resource for monitoring HIV-associated lymphomas and anal cancer and may offer benefits over linkage-based means in the age of HAART...
Expert review of non-Hodgkin's lymphomas in a population-based cancer registry: reliability of diagnosis and subtype classificationsChristina A Clarke
Northern California Cancer Center, Union City, California, USA
Cancer Epidemiol Biomarkers Prev 13:138-43. 2004..Thus, overall NHL incidence and survival statistics from the early 1990s are probably accurate, but subtype-specific statistics could be substantially biased, especially because of high (15-20%) proportions of unclassified lymphomas...
Changes in cancer registry coding for lymphoma subtypes: reliability over time and relevance for surveillance and studyChristina A Clarke
Northern California Cancer Center, Fremont, CA 94538, USA
Cancer Epidemiol Biomarkers Prev 15:630-8. 2006....
Neighborhood socioeconomic status and Hodgkin's lymphoma incidence in CaliforniaChristina A Clarke
Northern California Cancer Center, 2201 Walnut Avenue, Suite 300, Fremont, California 94538, USA
Cancer Epidemiol Biomarkers Prev 14:1441-7. 2005....
Racial and social class gradients in life expectancy in contemporary CaliforniaChristina A Clarke
Northern California Cancer Center, Surveillance Research, 2201 Walnut Ave, Fremont, CA 94538, United States
Soc Sci Med 70:1373-80. 2010..Neighborhood SES represents a readily-available metric for ongoing surveillance of health disparities in the US...
Declines in breast cancer after the WHI: apparent impact of hormone therapyChristina A Clarke
Northern California Cancer Center, Fremont, CA, USA
Cancer Causes Control 18:847-52. 2007....
Recent breast cancer incidence trends according to hormone therapy use: the California Teachers Study cohortSarah F Marshall
Department of Epidemiology, School of Medicine, University of California, Irvine, 224 Irvine Hall, Irvine, CA 92697, USA
Breast Cancer Res 12:R4. 2010..Few data sources can address breast cancer incidence trends according to pertinent characteristics like hormone therapy use history...
Population attributable risk of breast cancer in white women associated with immediately modifiable risk factorsChristina A Clarke
Northern California Cancer Center, Fremont, California, USA
BMC Cancer 6:170. 2006..To justify such efforts, it is vital to quantify the potential population-level impacts on breast cancer considering population variations in behavior prevalence, risk estimate, and baseline incidence...
Dietary patterns and risk of ovarian cancer in the California Teachers Study cohortEllen T Chang
Northern California Cancer Center, Fremont, California 94538, USA
Nutr Cancer 60:285-91. 2008..Overall, our results show no convincing associations between dietary patterns and ovarian cancer risk...
Medicaid status and stage at diagnosis of cervical cancerCynthia D O'Malley
Northern California Cancer Center, Fremont, Calif 94538 2334, USA
Am J Public Health 96:2179-85. 2006..We examined whether Medicaid beneficiaries are more likely to be diagnosed with late-stage cervical cancer than women not enrolled in Medicaid...
Recent changes in breast cancer incidence and risk factor prevalence in San Francisco Bay area and California women: 1988 to 2004Theresa H M Keegan
Northern California Cancer Center, 2201 Walnut Ave, Suite 300, Fremont, CA 94538, USA
Breast Cancer Res 9:R62. 2007..In light of these reports, we examined recent changes in breast cancer incidence and risk factor prevalence among non-Hispanic white women in the SFBA and other regions of California...
Adulthood residential ultraviolet radiation, sun sensitivity, dietary vitamin D, and risk of lymphoid malignancies in the California Teachers StudyEllen T Chang
Cancer Prevention Institute of California, Fremont, CA, USA
Blood 118:1591-9. 2011..Dietary vitamin D also was not associated with risk of lymphoid malignancies. These results support a protective effect of routine residential UVR exposure against lymphomagenesis through mechanisms possibly independent of vitamin D...
Body size, physical activity, and risk of Hodgkin's lymphoma in womenTheresa H M Keegan
Northern California Cancer Center, Suite 300, 2201 Walnut Avenue, Fremont, CA 94538 2334, USA
Cancer Epidemiol Biomarkers Prev 15:1095-101. 2006..These findings show that in women, body size and strenuous physical activity, both modifiable characteristics, are associated with HL risk in adult life possibly through immunologic, infectious, or genetic mechanisms...
Dietary phytocompounds and risk of lymphoid malignancies in the California Teachers Study cohortEllen T Chang
Cancer Prevention Institute of California, Fremont, 94538, USA
Cancer Causes Control 22:237-49. 2011....
Racial/ethnic variation in EBV-positive classical Hodgkin lymphoma in California populationsSally L Glaser
Northern California Cancer Center, Fremont, CA 94538, USA
Int J Cancer 123:1499-507. 2008....
Dietary assessment in the California Teachers Study: reproducibility and validityPamela L Horn-Ross
Northern California Cancer Center, 2201 Walnut Avenue, Fremont, CA 94538, USA
Cancer Causes Control 19:595-603. 2008....
Recent breast cancer trends among Asian/Pacific Islander, Hispanic, and African-American women in the US: changes by tumor subtypeAmelia K Hausauer
Northern California Cancer Center, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, USA
Breast Cancer Res 9:R90. 2007....
Alcohol consumption over time and risk of lymphoid malignancies in the California Teachers Study cohortEllen T Chang
Cancer Prevention Institute of California, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, USA
Am J Epidemiol 172:1373-83. 2010..The higher risk among former drinkers emphasizes the importance of classifying both current and past alcohol consumption and suggests that factors related to quitting drinking, rather than alcohol itself, may increase B-cell NHL risk...
Lymphoid malignancies in U.S. Asians: incidence rate differences by birthplace and acculturationChristina A Clarke
Cancer Prevention Institute of California, Fremont, California 94538, USA
Cancer Epidemiol Biomarkers Prev 20:1064-77. 2011....
Smoking and Hodgkin lymphoma risk in women United StatesSally L Glaser
Northern California Cancer Center, 32960 Alvarado Niles Road, Suite 600, Union City, CA 94587, USA
Cancer Causes Control 15:387-97. 2004..We investigated the association of HL with lifetime cigarette smoking and household environmental tobacco smoke (ETS) exposure in women...
Age-specific incidence of breast cancer subtypes: understanding the black-white crossoverChristina A Clarke
Research Scientist, Cancer Prevention Institute of California, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538 2334, USA
J Natl Cancer Inst 104:1094-101. 2012..We used newly available population-based data to examine whether the age-specific incidences of breast cancer subtypes vary by race and ethnicity...
Attenuation of social class and reproductive risk factor associations for Hodgkin lymphoma due to selection bias in controlsSally L Glaser
Northern California Cancer Center, 32960 Alvarado Niles Road, Suite 600, Union City 94587, USA
Cancer Causes Control 15:731-9. 2004..Because subject participation was 87% for cases but 65% for random digit-dialing (RDD) controls, we examined representativeness of our controls and the impact of detected bias on prior results...
Epstein-Barr virus as a marker of survival after Hodgkin's lymphoma: a population-based studyTheresa H M Keegan
Northern California Cancer Center, 2201 Walnut Ave, Ste 300, Fremont, CA 94538 2334, USA
J Clin Oncol 23:7604-13. 2005..This study assessed survival after HL in a population-based cohort large enough to examine the joint effects of EBV with other factors including age, sex, and histologic subtype...
Disparities in breast cancer survival among Asian women by ethnicity and immigrant status: a population-based studyScarlett Lin Gomez
Northern California Cancer Center, 2201 Walnut Ave, Suite 300, Fremont, CA 94538, USA
Am J Public Health 100:861-9. 2010..We investigated heterogeneity in ethnic composition and immigrant status among US Asians as an explanation for disparities in breast cancer survival...
Exposure to childhood infections and risk of Epstein-Barr virus--defined Hodgkin's lymphoma in womenSally L Glaser
Northern California Cancer Center, Fremont, CA 94538, USA
Int J Cancer 115:599-605. 2005..Null findings for EBV-negative HL indicate that etiologic models should be reconsidered for this common form...
Hidden breast cancer disparities in Asian women: disaggregating incidence rates by ethnicity and migrant statusScarlett Lin Gomez
Northern California Cancer Center, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, USA
Am J Public Health 100:S125-31. 2010..We estimated trends in breast cancer incidence rates for specific Asian populations in California to determine if disparities exist by immigrant status and age...
Papillary thyroid cancer incidence rates vary significantly by birthplace in Asian American womenPamela L Horn-Ross
Cancer Prevention Institute of California, 2201 Walnut Ave, Suite 300, Fremont, CA 94538, USA
Cancer Causes Control 22:479-85. 2011..To investigate how birthplace influences the incidence of papillary thyroid cancer among Asian American women...
Nativity and papillary thyroid cancer incidence rates among Hispanic women in CaliforniaPamela L Horn-Ross
Cancer Prevention Institute of California, Fremont, California 94538, USA
Cancer 118:216-22. 2012..However, little is known as to whether rates in Hispanic women vary by nativity, which may influence exposure to important risk factors...
Second primary breast cancer occurrence according to hormone receptor statusAllison W Kurian
Northern California Cancer Center, 2201 Walnut Ave, Fremont, CA 94538 2334, USA
J Natl Cancer Inst 101:1058-65. 2009..Little is known about differences in risk for second primary breast cancers related to the estrogen and progesterone receptor (hormone receptor [HR]) status of the first tumor...
Increasing burden of melanoma in the United StatesEleni Linos
Northern California Cancer Center, Fremont, California, USA
J Invest Dermatol 129:1666-74. 2009..We conclude that screening-associated diagnosis of thinner melanomas cannot explain the increasing rates of thicker melanomas among low SES populations with poorer access to screening...
Studying cancer incidence and outcomes in immigrants: methodological concernsScarlett S Lin
Northern California Cancer Center, Union City 94587, USA
Am J Public Health 92:1757-9. 2002
Diet and risk of ovarian cancer in the California Teachers Study cohortEllen T Chang
Northern California Cancer Center, Fremont, CA 94538, USA
Am J Epidemiol 165:802-13. 2007..Although dietary consumption of isoflavones may be associated with decreased ovarian cancer risk, most dietary factors are unlikely to play a major role in ovarian cancer development...
Risk of second primary malignancies following cutaneous melanoma diagnosis: a population-based studyJoshua P Spanogle
Department of Dermatology, Pigmented Lesion and Melanoma Program, Stanford University Medical Center, Stanford, CA, USA
J Am Acad Dermatol 62:757-67. 2010..Understanding risk patterns for developing a second primary malignancy (SPM) after cutaneous melanoma (CM) has implications for both research and clinical practice, including cancer screening...
Breast cancer incidence patterns among California Hispanic women: differences by nativity and residence in an enclaveTheresa H M Keegan
Northern California Cancer Center, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, USA
Cancer Epidemiol Biomarkers Prev 19:1208-18. 2010....
Recent trends in breast cancer incidence in US white women by county-level urban/rural and poverty statusAmelia K Hausauer
Northern California Cancer Center, Fremont, CA, USA
BMC Med 7:31. 2009....
Population-based patterns of human immunodeficiency virus-related Hodgkin lymphoma in the Greater San Francisco Bay Area, 1988-1998Sally L Glaser
Northern California Cancer Center, Union City, California 94587, USA
Cancer 98:300-9. 2003....
Increases in melanoma among adolescent girls and young women in California: trends by socioeconomic status and UV radiation exposureAmelia K Hausauer
Cancer Prevention Institute of California, Fremont, CA 94538, USA
Arch Dermatol 147:783-9. 2011....
Improvements in survival after follicular lymphoma by race/ethnicity and socioeconomic status: a population-based studyTheresa H M Keegan
Northern California Cancer Center, Fremont, CA 94538, USA
J Clin Oncol 27:3044-51. 2009..To better understand the reasons for these FL survival differences, we examined the joint influences of diagnostic period, race/ethnicity, and neighborhood socioeconomic status (SES) on survival in a large population-based case series...
Gastric cancer incidence among Hispanics in California: patterns by time, nativity, and neighborhood characteristicsEllen T Chang
Cancer Prevention Institute of California, Fremont, CA, USA
Cancer Epidemiol Biomarkers Prev 21:709-19. 2012..Better understanding about gastric cancer incidence patterns among Hispanics by birthplace, socioeconomic status (SES), and acculturation can improve preventive strategies and disease models...
Disparities in survival after Hodgkin lymphoma: a population-based studyTheresa H M Keegan
Northern California Cancer Center, 2201 Walnut Ave, Suite 300, Fremont, CA 94536, USA
Cancer Causes Control 20:1881-92. 2009..The racial/ethnic differences in survival were evident for all stages of disease. These data provide evidence for substantial, and probably remediable, racial/ethnic and neighborhood SES disparities in HL outcomes...
Wine and other alcohol consumption and risk of ovarian cancer in the California Teachers Study cohortEllen T Chang
Northern California Cancer Center, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, USA
Cancer Causes Control 18:91-103. 2007..Whether alcohol consumption influences ovarian cancer risk is unclear. Therefore, we investigated the association between alcohol intake at various ages and risk of ovarian cancer...
Cancer incidence patterns in Koreans in the US and in Kangwha, South KoreaScarlett Lin Gomez
Northern California Cancer Center, Union City, CA 94587, USA
Cancer Causes Control 14:167-74. 2003..In the US, Koreans are a rapidly growing group and comprised 10.5% of the total Asian population as of 2000. However, little has been published regarding cancer patterns in this subpopulation...
Adenomyosis and endometriosis in the California Teachers StudyClaire Templeman
Department of Obstetrics and Gynecology, University of Southern California Keck School of Medicine, Los Angeles, California, USA
Fertil Steril 90:415-24. 2008..To evaluate the reproductive and lifestyle correlates of a surgically confirmed diagnosis of endometriosis or adenomyosis in a large prospective cohort...
Reproductive factors in Hodgkin's disease in womenSally L Glaser
Northern California Cancer Center, Union City, CA 94587, USA
Am J Epidemiol 158:553-63. 2003..Among older women, no significant associations were observed, although hormone use appeared to be protective. These data suggest that steroid hormones may affect HD development...
Recent trends in breast cancer incidence among 6 Asian groups in the Greater Bay Area of Northern CaliforniaTheresa H M Keegan
Northern California Cancer Center, 2201 Walnut Avenue, Fremont, CA 94538, USA
Int J Cancer 120:1324-9. 2007....
Physical activity and colon cancer risk among women in the California Teachers StudyPhuong L Mai
Clinical Cancer Genetics Department, City of Hope National Medical Center, Duarte, CA, USA
Cancer Epidemiol Biomarkers Prev 16:517-25. 2007..One potential explanation for this inconsistency is that hormone therapy, which is associated with lower colon cancer risk, acts as a modifier of the physical activity/colon cancer relationship...
Rituximab use and survival after diffuse large B-cell or follicular lymphoma: a population-based studyTheresa H M Keegan
Cancer Prevention Institute of California, Fremont, CA 94538, USA
Leuk Lymphoma 54:743-51. 2013..Lower rituximab use in patients with DLBCL without private insurance suggests that previously identified socioeconomic disparities in survival may, in part, be explained by receipt of rituximab...
The burden of liver cancer in Asians and Pacific Islanders in the Greater San Francisco Bay Area, 1990 through 2004Ellen T Chang
Northern California Cancer Center, Fremont, California 94538, USA
Cancer 109:2100-8. 2007..In this study, liver cancer incidence trends were evaluated in Chinese, Filipino, Japanese, Korean, and Vietnamese men and women in the Greater San Francisco Bay Area of California between 1990 and 2004...
Cancer surveillance research: a vital subdiscipline of cancer epidemiologySally L Glaser
Northern California Cancer Center, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, USA
Cancer Causes Control 16:1009-19. 2005..Improvement is necessary in these realms to permit cancer surveillance research to realize its potential in resolving the growing cancer burden...
Menopausal hormone therapy and subsequent risk of specific invasive breast cancer subtypes in the California Teachers StudyTanmai Saxena
Department of Preventive Medicine, Norris Comprehensive Cancer Center, University of Southern California Keck School of Medicine, Los Angeles, California, USA
Cancer Epidemiol Biomarkers Prev 19:2366-78. 2010....
Cancer incidence patterns among Vietnamese in the United States and Ha Noi, VietnamGem M Le
Northern California Cancer Center, Union City, CA 94587, USA
Int J Cancer 102:412-7. 2002....
Uncovering disparities in survival after non-small-cell lung cancer among Asian/Pacific Islander ethnic populations in CaliforniaEllen T Chang
Northern California Cancer Center, Fremont, CA 94538, USA
Cancer Epidemiol Biomarkers Prev 18:2248-55. 2009..To reduce the nationwide burden of lung cancer mortality, it is critical to identify and ameliorate hidden survival disparities such as those among APIs...
Occurrence of breast cancer subtypes in adolescent and young adult womenTheresa H M Keegan
Cancer Prevention Institute of California, 2201 Walnut Ave, Suite 300, Fremont, CA 94538, USA
Breast Cancer Res 14:R55. 2012....
Alcohol consumption and breast cancer risk among postmenopausal women following the cessation of hormone therapy use: the California Teachers StudyPamela L Horn-Ross
Cancer Prevention Institute of California, 2201 Walnut Ave, Suite 300, Fremont, CA 94538
Cancer Epidemiol Biomarkers Prev 21:2006-13. 2012..Because many women stopped taking HT after mid-2002, it is important to quantify risks associated with alcohol consumption in the context of HT cessation, as these risks may be more relevant to cancer prevention efforts today...
Impact of intercensal population projections and error of closure on breast cancer surveillance: examples from 10 California countiesAmanda I Phipps
Marin County Department of Health and Human Services, Epidemiology Program, San Rafael, California, USA
Breast Cancer Res 7:R655-60. 2005..This analysis examines the extent to which these and other breast cancer incidence trends could have been impacted by bias in intercensal population projections...
Interaction of area-level socioeconomic status and UV radiation on melanoma occurrence in CaliforniaChristina A Clarke
Cancer Prevention Institute of California, Fremont, CA 94538, USA
Cancer Epidemiol Biomarkers Prev 19:2727-33. 2010..However, because high-SES populations may be colocated in areas of high UVR, we assessed their joint influences on melanoma occurrence to better target subpopulations for melanoma education and screening...
Disparities in mammographic screening for Asian women in California: a cross-sectional analysis to identify meaningful groups for targeted interventionScarlett Lin Gomez
Northern California Cancer Center, 2201 Walnut Ave, Suite 300, Fremont, CA, 94538, USA
BMC Cancer 7:201. 2007....
Validity of cancer registry medicaid status against enrollment files: implications for population-based studies of cancer outcomesJo Kay Chan
Northern California Cancer Center, Fremont, CA 94538 2334, USA
Med Care 44:952-5. 2006..Cancer registry "payer source" data is collected by many cancer registries in the United States and has been used to compare cancer outcomes across insurance types...
Breast cancer incidence and mortality trends in an affluent population: Marin County, California, USA, 1990-1999Christina A Clarke
Northern California Cancer Center, Union City, California 94587, USA
Breast Cancer Res 4:R13. 2002..Close surveillance of Marin County breast cancer trends has nevertheless continued, in part because distinctive breast cancer patterns in well-defined populations may inform understanding of breast cancer etiology...
Are cancer registries unconstitutional?Robert H McLaughlin
Northern California Cancer Center, Legal and Regulatory Affairs, Fremont, CA 94530, United States
Soc Sci Med 70:1295-300. 2010....
Making sense of seasonal fluctuations in lymphoma diagnosisEllen T Chang
Northern California Cancer Center, Fremont, CA 94538, USA
Leuk Lymphoma 48:223-4. 2007
Understanding the validity of self-reported positive family history of lymphoma in extended families to facilitate genetic epidemiology and clinical practiceSally L Glaser
Northern California Cancer Center, Fremont, CA 94538, USA
Leuk Lymphoma 48:1110-8. 2007..Thus, familial HL reported by HL patients and controls is highly likely to be lymphoma even in extended family members but less likely to be HL per se. Validity may vary with the subject's family size and medical history...
Existing data on breast cancer in African-American women: what we know and what we need to knowChristina A Clarke
Northern California Cancer Center, Union City, California 94587, USA
Cancer 97:211-21. 2003..Thus, it is important to consider the accuracy of these resources in describing the impact of breast cancer in AA populations...
Changing incidence of non-Hodgkin lymphomas in the United StatesChristina A Clarke
Northern California Cancer Center, 32960 Alvarado Niles Road, No 600, Union City, CA 94587, USA
Cancer 94:2015-23. 2002..Data from the Surveillance, Epidemiology, and End Results (SEER) Program show that age-adjusted rates of NHL increased through the 1980s but leveled off in the 1990s...
Survival differences among Asian subpopulations in the United States after prostate, colorectal, breast, and cervical carcinomasScarlett S Lin
Northern California Cancer Center, Union City, California
Cancer 94:1175-82. 2002..The heterogeneity of cancer outcomes observed within the community classified as Asian reinforces the need for cancer statistics to be reported for disaggregated subgroups...
Social class and risk of Hodgkin's disease in young-adult women in 1988-94Sally L Glaser
Northern California Cancer Center, Union City, CA 94587, USA
Int J Cancer 98:110-7. 2002..Negative findings for previously reported risk factors may reflect their insufficient heterogeneity of exposure or their failure to measure cohort-relevant exposures in this population...
