Florid Hyperplasia

Hyperplasia is a term used to describe rapid and unexpected new cell growth in various tissues, but in the context of breast cancer screening it usually refers to the lining of the breast ducts. ‘Florid‘ hyperplasia is a term which describes the degree or amount of hyperplasia, on an informal continuum from mild, to moderate, to florid.

Talking Moose
Talking Moose
So florid isn’t florists in Florida getting rid of floride?


Dr. Halls Dr. Halls
Not exactly, but florid does kind of mean something that reminds you of ‘blooming’ burst of growth.



 
 

Hyperplasia is usually described as ‘typical‘ or ‘atypical‘. Only the ‘atypical‘ variety is of concern for possible breast cancer, and even this assertion is debatable.

I just want to notify you that I have created a newer version of this page with more up-to-date information on Florid Hyperplasia. However, this page is short, getting old, but still very useful!

florid-hyperplasia

Dr. Halls Dr. Halls
Too many purple cells grew inside that duct, but does it look like a blooming flower? Maybe.



 
 

Background on florid breast hyperplasia

Normally, the linings of the breast ducts contain no more than two layers of unique cuboidal cells, along with basal ‘contractilemyoepithelial cells. These cells form a distinct luminal border (a distintive wall around the empty space of the breast duct). If there is a noted increase in the number of cells that constitute this ductal lining (a ‘proliferation’), it is termed epithelial hyperplasia. Whether or not this ‘simple‘ or ‘typical‘ hyperplasia starts to be considered as ‘atypical‘ will depend on the number of cells, the ‘nuclear‘ appearance of these cells, and the extent to which the lining itself becomes distorted. The pathologist will also consider the ‘admixture‘ of different types of cells (the balance of epithelial, myoepthelial, and metaplastic apocrine cells that may be present).

The term ‘atypical’ is for very unusual looking cells

With florid hyperplasia, the lumen (empty space of the duct) is distended, possibly obliterated due to large numbers of neoplastic cells. Certainly this is somewhat or an ‘atypical‘ development, but usually the use of that term is restricted to very unusual looking cells, or cell growth in tissues where they really do not belong.

florid-breast-hyperplasia

Does florid hyperplasia increase risk of breast cancer?

Any kind of cell proliferation per se is considered a very mild increase for breast cancer development as compared to an average woman without the condition. But unless there are ‘atypical‘ features to the new developments, florid hyperplasia cannot be considered a direct increased risk factor for breast cancer.

There remains no convincing evidence of obligatory progression from florid hyperplasia to breast cancer

Traditional‘ wisdom tends to suggest that there is a cumulative increased risk factor as one progresses from normal ductal epithelial cells, to mild hyperplasia, to florid hyperplasia, then to atypical ductal hyperplasia, and finally to ductal carcinoma in situ. However, there really is no direct evidence that any degree of hyperplasia and even atypical hyperplasia are precursors to DCIS or to invasive breast cancer. The only ‘ductal proliferation‘ which has been consistently linked to invasive breast cancer is DCIS.


Everything you need to know about florid hyperplasia is listed in the information above.. It is not a popular topic, actually quite lame… Nobody really searches this. However, if you do, this page says it all.

For further reading, visit this page to know about breast cancer risk factors.


References

  1. Donegan WL. Common benign conditions of the breast. In: Donegan WL, Spratt JS, eds. Cancer of the Breast, Fifth Edition. St. Louis, MO: Saunders, 2002:67-110
  2. Tavassoli FA, Norris HJ. A comparison of the results of long-term follow-up for atypical intraductal hyperplasia and intraductal hyperplasia of the breast. Cancer 1990;65:518-529.
  3. Webb PM, Byrne C, Schnitt SJ et al. Family history of breast cancer, age, and benign breast disease. Int J Cancer 2002;100:375-378.
  4. Bodian CA, Perzin KH, Lattes R et al. Prognostic significance of benign proliferative breast disease. Cancer 1993;71:3896-3907.
  5. McDivitt RW, Stevens JA, Lee NC et al. Histologic types of benign breast disease and the risk for breast cancer. Cancer 1992;69:1408-1414.
  6. Van de Vijver, MJ., Peterse, H. The diagnosis and management of pre-invasive breast disease: Pathological diagnosis – problems with existing classifications. Breast Cancer Res. 2003; 5(5): 269.
  7. Page DL, Dupont WD. Proliferative breast disease: diagnosis and implications. Science. 1991;253:915–916.

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