False Increase of Estradiol Levels in a 36-Year-Old Postmenopausal Patient With Estrogen Receptor-Positive Breast Cancer Treated With Fulvestrant

Clin Breast Cancer. 2016 Feb;16(1):e11-3. doi: 10.1016/j.clbc.2015.07.004. Epub 2015 Jul 22.

Authors

Daniel Berger¹, Salman Waheed², Yacob Fattout³, Rasa Kazlauskaite³, Lydia Usha²

Affiliations

¹ Division of Hematology/Oncology and Stem Cell Therapy, Department of Internal Medicine, Rush University Medical Center, Chicago, IL. Electronic address: Daniel_Berger@rush.edu.
² Division of Hematology/Oncology and Stem Cell Therapy, Department of Internal Medicine, Rush University Medical Center, Chicago, IL.
³ Department of Preventive Medicine, Rush University Medical Center, Chicago, IL.

PMID: 26321606
DOI: 10.1016/j.clbc.2015.07.004

No abstract available

Keywords: False positive; Hormone receptor-positive breast cancer; Immunoassay; Laboratory error; Metastatic breast cancer.

Publication types

Case Reports

MeSH terms

Adult
Antineoplastic Agents, Hormonal / pharmacology*
Breast Neoplasms / drug therapy
Carcinoma, Ductal, Breast / drug therapy
Chromatography, Liquid
Estradiol / analogs & derivatives*
Estradiol / blood*
Estradiol / pharmacology
Estrogens / pharmacology*
False Positive Reactions*
Female
Fulvestrant
Humans
Immunoassay*
Postmenopause
Receptors, Estrogen / biosynthesis
Tandem Mass Spectrometry

Substances

Antineoplastic Agents, Hormonal
Estrogens
Receptors, Estrogen
Fulvestrant
Estradiol