Hereditary nonpolyposis colon cancer

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Hereditary nonpolyposis colon cancer

ORPHA:443909Clinical group

Also called Familial nonpolyposis colon cancer · Familial nonpolyposis colorectal cancer · HNPCC · Hereditary nonpolyposis colorectal cancer

What it is

A cancer-predisposing condition characterized by the development of colorectal cancer not associated with colorectal polyposis, endometrial cancer, and various other cancers (such as malignant epithelial tumor of ovary, gastric, biliary tract, small bowel, and urinary tract cancer) that are frequently diagnosed at an early age.

Key facts

Classified as
Clinical group

Genes reported in subtypes

ATMBMPR1ABRCA2CHEK2EPCAMKRASMLH1MSH2MSH6MUTYHNPATPIK3CAPMS1PMS2POLD1POLERPS20SEMA4ATGFBR2

Orphanet records these genes on 2 more specific entries under this disorder, not on this entry itself:

A well-studied disease is usually split into subtypes, and the gene is curated on whichever one the evidence belongs to. Open a subtype to see which gene goes with it.

Cross-references

GARD 8533MONDO 0018630MONDO 18630UMLS C1333990

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.