Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects

Abstract Background Surgical resection is the primary treatment for advanced-stage heterotopic ossification (HO), with a high incidence of local recurrence reaching up to 50%. Postoperative radiotherapy (PORT) and indomethacin are commonly used prophylactic strategies following surgery. The study ai...

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Main Authors: Reham Mohamed, Asif Iqbal, Abosaleh Abosaleh Elawadi
Format: Article
Language:English
Published: SpringerOpen 2022-11-01
Series:Journal of the Egyptian National Cancer Institute
Subjects:
Online Access:https://doi.org/10.1186/s43046-022-00149-w
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author Reham Mohamed
Asif Iqbal
Abosaleh Abosaleh Elawadi
author_facet Reham Mohamed
Asif Iqbal
Abosaleh Abosaleh Elawadi
author_sort Reham Mohamed
collection DOAJ
description Abstract Background Surgical resection is the primary treatment for advanced-stage heterotopic ossification (HO), with a high incidence of local recurrence reaching up to 50%. Postoperative radiotherapy (PORT) and indomethacin are commonly used prophylactic strategies following surgery. The study aims to assess the safety and effectiveness of PORT in advanced-stage HO patients having motor vehicle accidents (MVA). Methods Medical records of patients having HO following MVA between 2006 and 2021 were retrospectively reviewed. Thirty-nine patients with advanced disease (35 had hip HO and 4 had elbow HO) were included in the study. Results Excision of HO with joint preservation was performed for 82% of patients, while 18% had a joint replacement. Seven to 8 Gy radiation was given to all patients within 3 days postoperatively. A ninty seven percent of patients regained partially the movement range. The mean follow-up time was 74 months. Six patients had treatment failure, with only one having a recurrence of HO. The 8-year treatment failure-free rate (8-y TFFR) was 79.3±9%, and the 5-year HO failure-free rate (5y-HOFFR) was 97.2±3%. Acute side effects were experienced in 13% of patients but resolved without any consequences. Despite the relatively long follow-up time, we did not report any absolute infertility or secondary malignancies related to the radiation. The testicular mean calculated dose was 33±44 cGy, and the mean measured dose was 58±40 cGy. Of the 35 patients who received radiation to the pelvis, 26 were married, and all did not experience infertility post-treatment. Conclusion PORT proved an effective and safe treatment for advanced-stage HO disease. The treatment failure is mainly related to surgical difficulties due to advanced disease. Treatment using a 3-dimensional or intensity-modulated radiation therapy is not associated with serious side effects like second malignancy or absolute infertility.
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spelling doaj.art-dc3c852026494d6eb2297c33404f38fa2022-12-22T02:55:03ZengSpringerOpenJournal of the Egyptian National Cancer Institute2589-04092022-11-013411910.1186/s43046-022-00149-wFifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effectsReham Mohamed0Asif Iqbal1Abosaleh Abosaleh Elawadi2National Cancer Institute, Radiotherapy and Nuclear Medicine Department, Cairo UniversityMedical Physics Department Riyadh, King Fahad Medical CityMedical Physics Department Riyadh, King Fahad Medical CityAbstract Background Surgical resection is the primary treatment for advanced-stage heterotopic ossification (HO), with a high incidence of local recurrence reaching up to 50%. Postoperative radiotherapy (PORT) and indomethacin are commonly used prophylactic strategies following surgery. The study aims to assess the safety and effectiveness of PORT in advanced-stage HO patients having motor vehicle accidents (MVA). Methods Medical records of patients having HO following MVA between 2006 and 2021 were retrospectively reviewed. Thirty-nine patients with advanced disease (35 had hip HO and 4 had elbow HO) were included in the study. Results Excision of HO with joint preservation was performed for 82% of patients, while 18% had a joint replacement. Seven to 8 Gy radiation was given to all patients within 3 days postoperatively. A ninty seven percent of patients regained partially the movement range. The mean follow-up time was 74 months. Six patients had treatment failure, with only one having a recurrence of HO. The 8-year treatment failure-free rate (8-y TFFR) was 79.3±9%, and the 5-year HO failure-free rate (5y-HOFFR) was 97.2±3%. Acute side effects were experienced in 13% of patients but resolved without any consequences. Despite the relatively long follow-up time, we did not report any absolute infertility or secondary malignancies related to the radiation. The testicular mean calculated dose was 33±44 cGy, and the mean measured dose was 58±40 cGy. Of the 35 patients who received radiation to the pelvis, 26 were married, and all did not experience infertility post-treatment. Conclusion PORT proved an effective and safe treatment for advanced-stage HO disease. The treatment failure is mainly related to surgical difficulties due to advanced disease. Treatment using a 3-dimensional or intensity-modulated radiation therapy is not associated with serious side effects like second malignancy or absolute infertility.https://doi.org/10.1186/s43046-022-00149-wHeterotopicOssificationRadiotherapyHipElbow
spellingShingle Reham Mohamed
Asif Iqbal
Abosaleh Abosaleh Elawadi
Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects
Journal of the Egyptian National Cancer Institute
Heterotopic
Ossification
Radiotherapy
Hip
Elbow
title Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects
title_full Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects
title_fullStr Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects
title_full_unstemmed Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects
title_short Fifteen years’ experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents: outcome and side effects
title_sort fifteen years experience of radiation therapy for resected advanced heterotopic ossification following motor vehicle accidents outcome and side effects
topic Heterotopic
Ossification
Radiotherapy
Hip
Elbow
url https://doi.org/10.1186/s43046-022-00149-w
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AT asifiqbal fifteenyearsexperienceofradiationtherapyforresectedadvancedheterotopicossificationfollowingmotorvehicleaccidentsoutcomeandsideeffects
AT abosalehabosalehelawadi fifteenyearsexperienceofradiationtherapyforresectedadvancedheterotopicossificationfollowingmotorvehicleaccidentsoutcomeandsideeffects