Dictionary of Cancer Terms
View in Spanish: Tumor de células de los islotes
Islet cell tumor (I-let sel TOO-mer)
A mass of abnormal cells that forms in the endocrine (hormone-producing) tissues of the pancreas. Islet cell tumors may be benign (not cancer) or malignant (cancer).
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.