What does hyperplastic mean?
Hyperplastic describes tissue in which cell production has increased beyond normal levels. The term is especially common in medicine and pathology, where it may refer to benign overgrowth, a precancerous change, or abnormal proliferation associated with cancer. It is also frequently used to modify terms such as “polyp,” “changes,” and “tissue.” Although the word can sound alarming, “hyperplastic” does not automatically mean malignant: diagnosis depends on the location, appearance, and examination of the affected tissue. A useful related distinction is that hyperplastic growth results primarily from an increased number of cells, while hypertrophic growth results from cells becoming larger. The word is most often encountered in clinical reports, research literature, and discussions of gastrointestinal or other epithelial abnormalities.
adjectiveRelating to or characterized by abnormal overgrowth of cells or tissue. In medicine, the term is commonly used to describe increased cell proliferation that may be benign or precancerous.
- Characterized by an abnormal increase in the number of cells or tissue.
- Of or relating to abnormal tissue overgrowth, including benign, precancerous, and malignant proliferative changes.
"The biopsy showed hyperplastic changes in the lining of the stomach."
"Her hyperplastic polyps were removed during a routine colonoscopy."
"The report described the lesion as hyperplastic rather than cancerous."
Hyperplastic means there are more cells, not necessarily bigger ones—and that distinction is important in medical diagnosis.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of hyperplastic
The word combines the Greek-derived prefix hyper-, meaning “over” or “excessive,” with plastic, from Greek plastikos, meaning “moulded” or “capable of being formed.” Together with the suffix -ic, it forms an adjective describing excessive tissue growth or proliferation. The related noun hyperplasia comes from the same roots and names the process or condition in which cell numbers increase abnormally.
Related word forms
How hyperplastic is actually used
This is primarily a medical and pathological term. It describes excessive cellular proliferation but does not, on its own, establish malignancy; the specific significance depends on the tissue involved and the clinical context.
Easily confused with hyperplastic
Hyperplastic refers chiefly to an increase in the number of cells, whereas hypertrophic describes an increase in the size of existing cells or tissue.
A hyperplastic polyp is a benign overgrowth of tissue, and the term does not by itself indicate that cancer is present.