CPT® Code 77615

1. Indications

The procedure of interstitial hyperthermia therapy is indicated for various conditions where targeted thermal treatment can be beneficial. The following are the explicitly provided indications for this procedure:

• Tumors located deep within the body - This includes tumors situated in organs such as the lungs or abdominal structures, where traditional treatment methods may be less effective.
• Enhancement of radiation therapy - The procedure is performed to increase the effectiveness of radiation treatment by sensitizing tumor cells to radiation through elevated temperatures.
• Support for chemotherapy - Interstitial hyperthermia can augment the effects of chemotherapy, potentially improving treatment outcomes for patients with certain types of cancer.
• Immune system stimulation - The therapy may help activate components of the immune system that assist in targeting and destroying abnormal cells, thereby contributing to the overall treatment strategy.

2. Procedure

The interstitial hyperthermia therapy procedure involves several critical steps to ensure effective treatment. The following outlines the procedural steps as described:

• Step 1: Patient Preparation - The patient is first prepared for the procedure, which includes obtaining informed consent and ensuring that the patient is under anesthesia to minimize discomfort during the treatment.
• Step 2: Imaging Guidance - Using imaging techniques such as x-ray or ultrasound, the physician identifies the precise location of the tumor within the body. This step is crucial for the accurate placement of the applicators or probes.
• Step 3: Insertion of Applicators/Probes - Once the tumor is located, the physician carefully inserts the interstitial applicators or probes into the tumor. This is done with precision to ensure that the heat will be effectively delivered to the targeted area.
• Step 4: Heat Source Application - After the applicators or probes are in place, a heat-generating source is introduced into them. This source can utilize microwave, radiofrequency, or ultrasound energy to elevate the temperature of the tumor cells to the desired therapeutic level.
• Step 5: Monitoring and Adjustment - Throughout the procedure, the physician monitors the temperature and the effectiveness of the heat application, making any necessary adjustments to ensure optimal treatment.
• Step 6: Removal of Probes - At the conclusion of the treatment session, the applicators or probes are carefully removed from the patient, and post-procedure care is initiated.

3. Post-Procedure

After the interstitial hyperthermia therapy is completed, the patient may require specific post-procedure care to ensure proper recovery. This may include monitoring for any immediate side effects or complications related to the procedure. Patients are typically advised to rest and may be given instructions regarding pain management, wound care, and follow-up appointments to assess the effectiveness of the treatment. It is essential to evaluate the patient's response to the therapy and to plan any subsequent treatments, such as radiation or chemotherapy, as part of a comprehensive cancer care strategy.