Scientific publications

Durable complete remission with aromatase inhibitor therapy in a patient with metastatic uterine carcinosarcoma with poor performance status and coagulation disorders: a case report

Martin-Romano P (1), Jurado M (2), Idoate MA (3), Arbea L (4), Hernandez-Lizoain JL (5), Cano D (6), Paramo JA (7), Martin-Algarra S (4).

(1) Department of Oncology, Clínica Universidad de Navarra, Avenida Pío XII 36, 31008, Pamplona, Spain. pmromano@unav.es.
(2) Department of Gynecology, Clínica Universidad de Navarra, Pamplona, Spain.
3 Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain.
(4) Department of Oncology, Clínica Universidad de Navarra, Avenida Pío XII 36, 31008, Pamplona, Spain.
(5) Department of General Surgery, Clínica Universidad de Navarra, Pamplona, Spain.
(6) Department of Radiology, Clínica Universidad de Navarra, Pamplona, Spain.
(7) Hematology Service, Clínica Universidad de Navarra, Pamplona, Spain. 

Magazine: Journal of Medical Case Reports

Date: Apr 19, 2017

Gynaecology and Obstetrics Pathological Anatomy [SP] Medical Oncology Haematology and Hameotherapy General and Digestive Surgery Radiology [SP]

BACKGROUND:
Chemotherapy is considered the most appropriate treatment for metastatic uterine sarcoma, despite its limited efficacy. No other treatment has been conclusively proved to be a real alternative, but some reports suggest that anti-hormonal therapy could be active in a small subset of patients. We report the case of a patient with metastatic uterine carcinosarcoma with positive hormonal receptors and a complete pathological response.

CASE PRESENTATION:
A 54-year-old white woman presented to our emergency room with hypovolemic shock and serious vaginal bleeding. After stabilization, she was diagnosed as having a locally advanced uterine carcinosarcoma with lymph nodes and bone metastatic disease. In order to control the bleeding, palliative radiotherapy was administered. Based on the fact that positive hormone receptors were found in the biopsy, non-steroidal aromatase inhibitor therapy with letrozole was started.

In the following weeks, her general status improved and restaging imaging tests demonstrated a partial response of the primary tumor. Ten months after initiating aromatase inhibitor therapy, she underwent a radical hysterectomy and the pathological report showed a complete response. After completing 5 years of treatment, aromatase inhibitor therapy was stopped. She currently continues free of disease, without further therapy, and maintains a normal and active life.

CONCLUSIONS:
This case shows that patients with uterine carcinosarcoma and positive hormone receptors may benefit from aromatase inhibitor therapy. A multidisciplinary strategy that includes local therapies such as radiation and/or surgery should be considered the mainstay of treatment. Systemic therapies such as hormone inhibitors should be taken into consideration and deserve further clinical research in the era of precision medicine.

CITATION  J Med Case Rep. 2017 Apr 19;11(1):115. doi: 10.1186/s13256-017-1262-y.

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