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Publication Type : Journal Article
Publisher : J Radiother Pract
Source : J Radiother Pract. 2020
Campus : Faridabad
Year : 2020
Abstract : Introduction: Giant cell tumour of the tendon sheath (GCTTS) is the second most common tumour of the hand. Despite surgery, local recurrence after excision has been reported in up to 45% of cases. Post-operative radiotherapy (PORT) has been found to be promising in preventing these recurrences in high-risk group. One of the reservations of PORT is secondary effects of radiation which may cause a decreased range of motion of the affected joint, sensory changes and nail changes. Surface mould brachytherapy can provide a high dose to target volume with a rapid fall of dose to surrounding structures. Despite this, it is less used, the possible reason can be less technical proficiency. Methods: We have technically illustrated surface mould brachytherapy in a case of GCTTS of the left index finger, and compared dosimetrically with more widely used conventional photon and electron external beam radiotherapy. Conclusion: The 6-MV photon treatment plan with a bolus plan provided the least dose to skin (106%) and phalanges (103%). It has a Homogeneity index (1·06) closest to 1, whereas the Conformity index of all plans was similar. The dose coverage was adequate in all plans. The second-best plan dosimetrically was the surface mould brachytherapy.
Cite this Research Publication : Gupta A, Pandey R, Krishna A, Kumar R, Sharma S, Sarawagi R, et al. Surface mould brachytherapy planning in giant cell tumour of the tendon sheath of finger and dosimetric comparison with external beam radiotherapy: A case report. J Radiother Pract. 2020