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Can a phenotype for recessive inheritance in breast cancer be defined?

In English

Författare

Summary, in English

While a dominant inheritance of breast cancer (vertical inheritance) is well known, less is known about a possible recessive inheritance (horizontal inheritance). In a clinical series of 1676 breast cancer patient's family history was scored as vertical (grandmother-aunt-mother-sister-daughter) or horizontal (sister-sister) and related to histopathological tumor type, presence of germline mutations, bilaterality, multifocality, screening, parity, hormone replacement therapy (HRT) use and age at diagnosis. Prognosis was estimated by also adding tumor size, lymph node status, distant metastases and hormone receptor status at diagnosis into a Cox proportional hazard model. Excluding mutations carriers, a horizontal family history (5% of all cases) was significantly associated with tubular tumor type [OR = 3.87(1.44-10.41)]. A vertical family history (23% of all cases) was significantly related to tumor multifocality [OR = 2.30(1.51-3.50)], tumor bilaterality [OR = 2.08(1.44-3.00)] and screening detection [OR = 1.50(1.10-2.05)]. No significant difference in survival could be seen between patients with none, horizontal or vertical family history. However, germline mutation carriers (BRCA1/2, TP53 or CDKN2A, present in 0.95% of the cases) had a significantly worse survival. Screening detected cases, HRT ever users and patients with estrogen receptor positive tumors had a significantly better survival adjusting for age at diagnosis, tumor size, lymph node status and presence of distant metastases at diagnosis. Factors associated with a horizontal family history were found, defining a possible phenotype for a recessive inheritance: tubular breast cancer.

Publiceringsår

2010

Språk

Engelska

Sidor

525-530

Publikation/Tidskrift/Serie

Familial Cancer

Volym

9

Issue

4

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Cancer and Oncology

Nyckelord

  • Tubular breast cancer
  • Recessive inheritance
  • Familial breast cancer
  • Vertical inheritance
  • Horizontal inheritance

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1389-9600