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  • Title: Diagnosis and surgical therapy of uterine sarcoma.
    Author: Vrzic-Petronijevic S, Likic-Ladjevic I, Petronijevic M, Argirovic R, Ladjevic N.
    Journal: Acta Chir Iugosl; 2006; 53(3):67-72. PubMed ID: 17338203.
    Abstract:
    INTRODUCTION: Uterine sarcomas are rare gynaecological neoplasms and their classification is complicated. Uterine sarcoma is usually diagnosed in postmenopausal women and the diagnosis is often accidental and postoperative. Aim of this study was to present clinical and pathological characteristics of uterine sarcomas, diagnostic procedures, treatment and two-, three- and five-years cumulative survival rates. MATERIALS AND METHODS: The retrospective study of 61 cases of uterine sarcomas was conducted. Cases were distributed into groups based on definitive diagnosis of uterine sarcoma: group of leiomyosarcomas (LMS), carcinosarcoma (CS), endometrial stromal sarcomas (ESS), adenosarcomas (AS) and other rare uterine sarcomas. We investigated patients with clinical and pathological characteristics of uterine sarcomas, diagnostic procedures and treatment. Survival rate was calculated by Kaplan-Meier method. RESULTS: From 61 patients 43 patients (70.49%) were postmenopausal. Mean period from menopause until appearance of symptoms was 14,63 years. One or more risk factors were present in 46 (75.4%) patients. Diagnosis of uterine sarcoma were established averagely 7.38 months after appearance of symptoms. 50 patients (82.0%) underwent one or more diagnostic procedures. Preoperative diagnosis of uterine sarcoma was established in 42.5% of patients. 53 (86.9%) of patients were treated operatively. The most used operative procedure (60,7%) was total hysterectomy with bilateral salpingooophorectomy. Postoperative pathohistologic analysis showed that low grade (LG) leiomyosarcoma were present in 19 (35.9%) cases, high grade (HG) leiomyosarcoma in 1 (1.9%) case, carcinosarcoma in 14 (26.4%) cases, low grade (LG) endometrial stromal sarcoma in 5 (9.4%) cases, high grade (HG) endometrial stromal sarcoma in 9 (17.0%) cases, adenosarcoma in 2 (3.8%) cases, and 2 cases of rare uterine sarcomas: 1 (1.9%) MALT HG lymphoma and 1(1.9%) malignant hemangiopericytoma. In one case of ESS (1.9%) only adenomyosis was found postoperatively suggesting that the whole tumour was removed during diagnostic procedure. Eight patients were not treated operatively. Two-years cumulative survival rate was 74.3%, three-years cumulative survival rate was 71.1%, and five years survival rate was 64.3%. DISCUSSION: Average age, percent of postmenopausal patients and the mean age at the time of menopause in our studied correlate with current data. Clinical presentation of uterine sarcoma is associated with obesity and hypertension in more than 30% of cases, which is approved in our study. For early diagnostics it is important to notice that risk factors are similar to those connected with far more frequent endometrial carcinoma. Postmenopausal abnormal bleeding was the main reason for medical examination, explaining relatively short period for establishing the diagnosis in this group of patients. The variety of clinical findings in our studied group showed that the diagnosis must be based on preoperative pathohistology. CONCLUSION: Adequate diagnosis and treatment of uterine sarcoma is possible with regular yearly or more frequent follow-up, especially in postmenopausal women with known risk factors present. We need special attention for unclear symptoms and postmenopausal bleeding and we need to use all diagnostic procedures soon as possible including preoperative histology because early metastases are characteristic for uterine sarcomas. Factor of the most important predictive value is histologic grade.
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