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Surgery on aggressive fibroma of the posterior compartment of the knee: A case report

INTRODUCTION: Fibroma is a benign tumor. More than 99% fibroma arises from tendon sheaths or tendons. Aggressive Fibroma at posterior compartment knee is a rare case. This report presents one case of fibroma at posterior compartment of the knee with the treatment. CASE REPORT: A boy with 4-year hist...

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Detalles Bibliográficos
Autores principales: Magetsari, R.M.S.N., Irawan, M.N.S.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6920296/
https://www.ncbi.nlm.nih.gov/pubmed/31704661
http://dx.doi.org/10.1016/j.ijscr.2019.10.060
Descripción
Sumario:INTRODUCTION: Fibroma is a benign tumor. More than 99% fibroma arises from tendon sheaths or tendons. Aggressive Fibroma at posterior compartment knee is a rare case. This report presents one case of fibroma at posterior compartment of the knee with the treatment. CASE REPORT: A boy with 4-year history of knee discomfort and lump at posterior knee joint, no history of infection and trauma. Physical examination revealed a mass (10 × 9 × 7 cm) with limited Range of Motion extension 30°, flexion 70°. MRI revealed a soft tissue mass at posterior knee compartment. Histologic examination showed a circumscribed and lobulated hypo cellular mass containing spindle cells diagnosed as aggressive fibroma. The patient underwent popliteal resection. An ellipse incision was made 2 cm margin of skin around the biopsy site. Fasciocutaneous flaps were created and retracted to expose the posterior compartment. The tumor had a partial well-defined capsule, popliteal artery and vein embedded and pressing the sciatic nerve. The tumor and enveloping muscles were elevated from the base of the compartment. The sciatic nerve was preserved with epineurotomy. The popliteal artery was reconstructed with saphenous veins graft. After the tumor was resected, the heads of gastrocnemius were sutured to each other and to the hamstring muscles to cover popliteal space. After one year postoperative, there was a good vascularization, no recurrence and neurological deficit with Musculoskeletal Tumour Society Scoring System 80%. CONCLUSION: One year postoperative with popliteal resection surgery yields a good result. A follow-up is needed for risk of recurrence and malignancy.