Abstract
Background: Malignant fibrohistiocytoma (FHM) is a sarcoma type neoplasm; It is a type of neoplasms of unknown origin that appears in both the soft and bone parts.
The case: A 55-year-old female patient presented with pain and functional impotence of the left femur; in addition to a pulmonary metastasis, after 3 chemotherapies, that enters into plans of knee endoprosthesis. The patient is a carrier of malignant fibrohistiocytoma.
Conclusion: It is an uncommon tumor, of great aggression that can appear in relation to other bone lesions, of unfavorable prognosis and short survival. For the treatment, it is currently accepted that preoperative chemotherapy should be administered and favor the appearance of calcifications. If possible, the surgery should be extensive; The contribution with the collaboration of this type of implants is that the patient was able to heal from his condition without losing the functionality of the affected member.
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Copyright (c) 2023 Daniel Manfredo Amarilla Guirland, Marian Fabiola Céspedes Cabaña, Mario Emanuel Ojeda, María Alicia Quiñónez Rivas, Diego Anibal Solis Avalos