Difference between revisions of "Hereditary breast cancer"

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Revision as of 16:00, 27 May 2014

This article deals with hereditary breast cancer.

Familial breast cancer redirects to this article.

Syndromes associated with breast cancer

Gene Syndrome Other cancers Notes
BRCA1 Familial breast and ovarian cancer[1] male breast, ovarian, prostate, pancreas, fallopian tube younger individuals vis-à-vis BRCA2
BRCA2 Familial breast and ovarian cancer 2[2] male breast, ovarian, prostate, pancreas, stomach, melanoma, gallbladder, bile duct, pharynx older individuals vis-à-vis BRCA1
TP53 (p53) Li-Fraumeni syndrome (AKA SBLA syndrome) sarcomas, brain cancer, larynx, lung, leukemia, adrenal cortical carcinoma often present in childhood
CHEK2 Li-Fraumeni syndrome (variant) see p53 -
STK11 Peutz-Jeghers syndrome breast cancer, GI cancer, Sertoli cell tumour, Granulosa cell tumour, SCTAT characteristic GI hamartomas, mucocutaneous pigmentation
PTEN Cowden syndrome breast, thyroid (PTC), endometrial, renal, colorectal -
CDH1 Familial diffuse gastric cancer[3] invasive lobular carcinoma, gastric signet ring cell carcinoma -

BRCA1 and BRCA2

BRCA1 vs. BRCA2:[4]

Gene Age Histology Other cancers
BRCA1 younger worse types, e.g. triple negative breast ca. uterine tube
BRCA2 older sporadic types stomach, melanoma, gallbladder, bile duct, pharynx

Types of cancer associated with both BRCA1 and BRCA2 - male OPP:

  • Male breast, ovarian, prostate, pancreas.

How to remember types of cancer associated with BRCA2 - PUM:

  • Pharynx, upper GI (stomach, gallbladder, biliary), melanoma.

Other mutations

  • BARD1 mutations.[5]

See also

References

  1. Online 'Mendelian Inheritance in Man' (OMIM) 113705
  2. Online 'Mendelian Inheritance in Man' (OMIM) 600185
  3. Online 'Mendelian Inheritance in Man' (OMIM) 192090
  4. Kumar, Vinay; Abbas, Abul K.; Fausto, Nelson; Aster, Jon (2009). Robbins and Cotran pathologic basis of disease (8th ed.). Elsevier Saunders. pp. 1078. ISBN 978-1416031215.
  5. Ratajska M, Antoszewska E, Piskorz A, et al. (January 2012). "Cancer predisposing BARD1 mutations in breast-ovarian cancer families". Breast Cancer Res. Treat. 131 (1): 89–97. doi:10.1007/s10549-011-1403-8. PMID 21344236.