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Chronic Excruciating Forearm Pain in a Child With Intra-Neural Hemangioma: A Challenging Case Report Publisher



Zargarbashi R1 ; Hashem Zadeh A2 ; Vosoughi F3
Authors
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Authors Affiliations
  1. 1. Department of Pediatric Orthopedy, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Medical Imaging Center, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Fellowship of Knee Sport and Reconstruction Surgery, Department of Orthopaedic and Trauma Surgery, Shariati Hospital and School of Medicine, Tehran University of Medical Sciences, Tehran, Iran

Source: International Journal of Surgery Case Reports Published:2021


Abstract

Introduction and importance: Cavernous hemangioma is a rare form of hemangioma. It usually arises in the central nervous system, but the tumor has also been reported in the liver, retina and skin with a lower prevalence. Its occurrence into the peripheral nerves has only been reported a few times. Herein, we report an extremely rare case of intra-neural hemangioma in the ulnar nerve and discuss the complications we faced following surgery. Case presentation: We present a 6-year-old boy with history of severe progressive left forearm pain in the last two years. Imaging studies revealed a soft tissue mass and histopathological exam was in favor of a cavernous hemangioma. Patient underwent surgery to excise the tumor. Despite temporary response, he began to experience excruciating pain shortly after surgery which caused him to adopt bizarre postures. Clinical discussion: In the more common form of nerve involvement in a hemangioma, the nerve is displaced and surrounded by the tumor. However, in cases with intra-neural involvement, the nerve would have to be sacrificed. This case report brings some rare but important characteristics of a hemangioma in to attention, such as the intra-neural location, possibility of recurrence and aggravating pain with bizarre positions as a result. Conclusion: In cases of intra-neural hemangioma, there is a chance that the patient experiences recurrence and/or excruciating pain following surgery. The orthopedic surgeon should be prepared for the possibility of nerve transfer, repeat surgeries and the need for prolonged palliative pain suppression modalities in the approach to intra-neural hemangioma. © 2021 The Authors
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