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Intra-Cavitary Radiotherapy (ICRT) is a form of internal radiation therapy in which radioactive material is placed directly inside a body cavity. This allows doctors to deliver a high radiation dose to the tumour while limiting harm to nearby healthy tissue.
At Manipal Hospitals, specialists commonly perform Intra-Cavitary Radio Therapy in EM Bypass, Kolkata, as a highly targeted and effective treatment.
ICRT is typically recommended for cancers inside body cavities. These include cervical, uterine (endometrial), vaginal, vulvar, and some head and neck cancers involving the nasal or oral cavities. Various techniques in performing ICRT include:
High-Dose Rate (HDR) Brachytherapy: Delivers a strong dose over a short period. Often used in outpatient settings
Low-Dose Rate (LDR) Brachytherapy: Involves a slower release of radiation over several hours or days
Image-Guided Brachytherapy (IGBT): Uses real-time imaging (CT/MRI) to position radiation precisely within the tumour cavity for optimal results
Doctors choose the most suitable method based on the tumour type, stage, and location.
Doctors will review the patient’s medical history. They may advise blood tests and imaging scans, such as MRI or CT, to assess the tumour. Patients may be asked to fast and stop certain medications before the session. Radiation oncologists plan the treatment based on the patient’s specific condition and tumour details. Patients receive counselling about the treatment options, outcomes, and recovery.
The Intra-Cavitary Radio Therapy Procedure in EM Bypass, Kolkata, will be performed as follows:
Depending on the type of technique, local or general anaesthesia will be administered
The doctor gently inserts a small, sterile applicator into the body cavity using careful positioning and imaging guidance
The team ensures the applicator is placed precisely, using ultrasound, CT scan, or MRI
Once in position, a specialised machine delivers the radiation through the applicator for a controlled period, usually for about 15 to 30 minutes
The radiation oncologist and medical physicist control the machine from a shielded room, monitoring the process in real-time
After the prescribed dose is delivered, the machine automatically retracts the radioactive source, and the doctor safely removes the applicator
For LDR therapy, the applicator may stay in place for a longer period
Patients will be shifted to a recovery room and monitored closely. Those undergoing HDR therapy usually return home the same day, while LDR therapy may require a hospital stay of one or more days. Mild cramping or discharge may occur, but typically resolves within a few days. Doctors schedule follow-up sessions based on the treatment plan and advise rest, proper pelvic hygiene, and limited physical activity during the recovery period.
Direct radiation to the tumour site
Minimal exposure and damage to surrounding organs
Shorter treatment time in many cases
Reduced side effects compared to external radiation
Higher success rates for early and localised cancers
Temporary discomfort or cramping
Mild bleeding or discharge
Temporary bladder or bowel irritation
Rare complications like infection or scarring
At Manipal Hospitals, cancer specialists use advanced technology and imaging to perform ICRT with high precision. Patients seeking expert care in Intra Cavitary Radio Therapy in EM Bypass, Kolkata, benefit from state-of-the-art facilities, dedicated oncology support, and a comfortable treatment environment.
Doctors use Intra Cavitary Radio Therapy in EM Bypass, Kolkata, mainly for cervical, uterine, vaginal, and some head and neck cancers. It targets tumours located inside natural body cavities with high radiation precision.
The procedure is generally not painful. Doctors use anaesthesia to ensure comfort. Some patients may feel mild cramping or pressure during or after the session, which subsides quickly.
The number of sessions depends on the cancer type and stage. Most patients require 3 to 5 sessions, spread over a few weeks. At Manipal Hospitals, EM Bypass, Kolkata, the doctors will plan the schedule based on individual needs.
Yes, in most high-dose treatments, patients can return home the same day. However, in low-dose treatments, a short hospital stay may be necessary to complete the radiation delivery.
Long-term effects are rare with proper planning. The Intra Cavitary Radio Therapy Procedure in EM Bypass, Kolkata, is performed by an experienced team, and they schedule regular follow-ups to monitor and manage any side effects early.
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