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  • Title: Intra-abdominal metastases from soft tissue sarcoma.
    Author: Behranwala KA, Roy P, Giblin V, A'hern R, Fisher C, Thomas JM.
    Journal: J Surg Oncol; 2004 Sep 01; 87(3):116-20. PubMed ID: 15334637.
    Abstract:
    OBJECTIVE: To define the clinical features and prognosis of patients with abdominal metastasis from primary soft tissue sarcoma (STS) at other sites. METHODS: All patients with abdominal metastasis from STS were identified from the Royal Marsden Hospital Sarcoma Unit prospective database from January 1990 to July 2001. RESULTS: Nineteen patients developed abdominal metastasis out of a cohort of 2127 patients (0.9%) evaluated during the study interval. The median age was 49 (19-71) years. The median time to abdominal metastasis from diagnosis of the primary was 27 (8-91) months. The presenting complaints were incomplete intestinal obstruction (n = 5), abdominal pain (n = 4), mass (n = 2), gastrointestinal bleed (n = 2), urinary obstruction (n = 2), anorexia (n = 1), and abdominal distension (n = 1). Emergency laparotomy was done for perforative peritonitis (n = 2), intussusception (n = 2), and bleed in spleen (n = 1). Two patients were asymptomatic. The common histologies were myxoid liposarcoma (n = 6) and leiomyosarcoma (n = 4). The median follow-up of survivors post metastasis was 12 months. Abdominal metastatectomy was performed in 16 patients, 3 of these patients had abdominal recurrences. The 1- and 2-year overall disease specific survival for the 19 patients was 66% (SE = 11%) and 43% (SE = 13%) with a median survival of 13 months (95% CI = 11.8-14.7). Metastasectomy was associated with slight improved median post-metastasis survival (33 months vs. 8 months for unresected patients). CONCLUSIONS: Although abdominal metastasis is rare, vigilance is warranted. Symptomatic patients should be examined and investigated thoroughly for metastases. Surgery is the treatment of choice for patients with an acute presentation; however, survival is dismal.
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