Introduction: Metastatic bone disease at extremities is mostly associated with lung, liver, prostat, thyriod or breast malignancies. There for surgeons generally tends to seek for a primary tumor originating from these organs. Herein a case of endometrial adenocarcinoma recurrence that presented with symptoms of tibial pain is described. Presentation of case: 59 year-old woman was admitted to our orthopaedic oncology unit with pain, swelling and tenderness at right cruris for two weeks without any trauma history. Her medical history revealed that she had a total abdominal hysterectomy and bilateral salpingo-oophorectomy. During follow-ups no recurrence had been detected. Initial X-rays of the right tibia showed a lytic and expansile mass located at the shaft of the tibia suggesting metastasis. A wide resection of the lesion with clear margins was performed two weeks after first admittance. Resected area was replaced by fresh frozen femoral shaft allograft. At postoperative 17th month. X-rays obtained at last follow-up demostrated full healing and integration of allograft. Discussion: Endometrial adenocarcinoma is a disease of postmenapousal women with 95% of the cases occurring after the age of 40 years. Patients with advanced or recurrent endometrial cancer often have distant metastases found within the lymph nodes, liver, and/or lung. Conclusion: Recurrence of endometrial cancer as a solitary bone lesion is a rare situation. Wide resection and reconstruction with an allograft or an intercalar prosthesis might be an option to increase survival and possible cure of the patient.
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