Articles by Catherine E. Klein, MD


PALB2-Positive Breast Cancer in a 40-Year-Old Man
ByPritish Iyer, MD,Jagar Jasem, MD, MPH,Michelle A. Springer, MS, CGC,Catherine E. Klein, MD,Peter Kabos, MD In July 2003, an asymptomatic 40-year-old man presented to his primary care physician for routine care and was found to have a palpable right axillary lymph node.

Management of Young Breast Cancer Patients With de Novo Genetic Mutations
ByChristine M. Fisher, MD, MPH,Catherine E. Klein, MD,Laxmi A. Kondapalli, MD, MSCE,Anthony D. Elias, MD,Virginia F. Borges, MD, MMSc A 24-year-old woman presents to her primary care provider with a mass in her left breast. Examination confirms a 2.2-cm mass in the upper outer quadrant, with a single mobile axillary node that is firm to palpation.

Diagnosis of Invasive Lobular Carcinoma in a Young Woman Presenting With Pleomorphic Lobular Carcinoma in Situ on Core Biopsy
ByNicole Kounalakis, MD,Jennifer Diamond, MD,Kyle Rusthoven, MD,Wendy Horn, MD,Sonali Jindal, MD,Josh Wisell, MD,Catherine E. Klein, MD,Anthony D. Elias, MD,Christina A. Finlayson, MD,Virginia F. Borges, MD, MMSc A 40-year-old premenopausal woman with a new diagnosis of invasive lobular carcinoma occurring in a background of lobular carcinoma in situ presents to a multidisciplinary second opinion clinic.

Early-Stage BRCA2-Linked Breast Cancer Diagnosed in the First Trimester of Pregnancy Associated With a Hypercoagulable State
ByJennifer R. Diamond, MD,Christina A. Finlayson, MD,Christiane Thienelt, MD,Peter Kabos, MD,Laura Hardesty, MD,Linda Barbour, MD, MSPH,Catherine E. Klein, MD,Rachel Rabinovitch, MD,Anthony D. Elias, MD,Virginia F. Borges, MD, MMSc This feature examines the case of a patient with newly diagnosed breast cancer in the setting of a first-trimester pregnancy presenting to our multidisciplinary breast cancer clinic.