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  • Title: Soft-tissue tumours of the perineum.
    Author: Behranwala KA, Clark MA, Thomas JM.
    Journal: Eur J Surg Oncol; 2002 Jun; 28(4):437-42. PubMed ID: 12099656.
    Abstract:
    AIM: Primary perineal tumours in adults are rare entities that have been infrequently reported (one clinical series of nine patients with sarcoma and isolated case reports). We present our experience of perineal tumours better to characterize and define the natural history of this condition. METHODS: Perineal tumours occurring in adults (>18 years) from January 1990 were identified from the Royal Marsden Hospital's Sarcoma Unit prospective database. RESULTS: Nineteen perineal soft-tissue tumours (12 malignant and seven benign) were evaluated and treated at the Royal Marsden Hospital during this period. Liposarcoma (n=3) and aggressive angiomyxoma (n=4) were the most frequent histological subtypes. Three malignant and four benign tumours were larger than 10 cm. Most tumours were located deep to the deep fascia. Local recurrence in those with sarcoma occurred in one of five patients with negative microscopic margins and in one of two patients who had positive microscopic margins. One patient each with aggressive angiomyxoma and fibromatosis recurred locally. CONCLUSION: Aggressive treatment in the form of wide local excision is associated with fewer local recurrences in adults with primary perineal soft-tissue tumours. The aim of surgical treatment should be to obtain negative resection margins without causing disturbance to urinary or anorectal function.
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