TriangleFOR PATIENTS · SOURCE READING
Cryotherapy
Source: Retinoblastoma Treatment (PDQ®)–Patient Version, National Cancer Institute.
Source updated: October 7, 2021 · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.
Context: Treatment Option Overview / Six types of standard treatment are used:
Cryotherapy is the use of extreme cold to destroy abnormal tissue. A small metal probe is cooled below freezing and placed on the surface of the eye near the tumor, which freezes and kills cancer cells. Cryotherapy is usually used to treat small retinoblastoma tumors that are located toward the front of the eye. This type of treatment is also called cryosurgery.
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Preserved source evidence · Independent clinical review pending · Not medical advice