<oncology, tumour> A type of carcinoma, or epithelial cancer, where the main symptom is the formation of cysts (fluid-filled sacs). ... (09 Oct 1997) ... 
Type: Term Pronunciation: sis′tō-kar′si-nō′mă Definitions: 1. A carcinoma in which cystic degeneration has occurred; sometimes used incorrectly as a term for cystadenocarcinoma.