What Is Regional Hyperthermia?

Regional Hyperthermia

Regional hyperthermia heats a larger area of the body, such as an organ, body cavity, or limb. The heated area is broader than in local hyperthermia and is typically used for deeper or larger lesions.

What are the common methods of regional hyperthermia?

Based on the American Cancer Society’s (ACS) general classification, regional hyperthermia broadly includes:

  • Deep Tissue Hyperthermia: heating deeper organs or tissue regions within the body
  • Regional Perfusion: the patient’s own blood is warmed and circulated through an external device into a specific limb or organ region
  • Continuous Hyperthermic Peritoneal Perfusion: heated fluid is circulated within the abdominal cavity, most often seen in research settings for certain intra-abdominal tumors

How does regional hyperthermia differ from local hyperthermia?

The main difference is the size of the area heated: local hyperthermia focuses on a single small lesion, while regional hyperthermia covers a larger body region or organ system. See Local Hyperthermia for details. Which method is actually used depends on tumor location, extent, and treatment goals, as assessed by the care team.

Regional hyperthermia involves a broader range of technologies, and some methods (such as regional perfusion) require more complex medical equipment and monitoring conditions. This page is a general technical overview and does not represent the Taiwan-approved treatment method or scope of any specific medical device.

Is regional hyperthermia riskier than local hyperthermia?

Because regional hyperthermia involves a larger area or techniques such as external circulation, overall monitoring and operational complexity is generally higher. Actual risk assessment depends on the technology, device, and individual patient condition, and should be judged by the care team rather than generalized.

Last updated: 2026-08-16 | Source: Publicly available educational material from the American Cancer Society (ACS). If content differs from the latest research, the latest publicly available information takes precedence — please also consult your care team.