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  • Title: Primary cutaneous leiomyosarcoma: a histological and immunohistochemical study of 4 cases.
    Author: Limaiem F, Chelly I, Bellil S, Mekni A, Nidhameddine K, Haouet S, Bellil K, Zitouna M.
    Journal: Pathologica; 2007 Dec; 99(6):415-9. PubMed ID: 18416331.
    Abstract:
    Primary cutaneous leiomyosarcoma is an uncommon malignant neoplasm with a predilection for the lower extremities. A retrospective study of 4 cases was undertaken to analyse the clinicopathological characteristics and immunohistochemical profile of these neoplasms with emphasis on prognosis. Two male and 2 female patients aged between 49 and 80 years presented with painless tumours involving the lower lip, the chin, the scrotum and the shoulder. Histological examination of the initial biopsy specimen established a diagnosis of cutaneous leiomyosarcoma. All cases co-expressed smooth muscle actin and vimentin regardless of primary tumour site. Wide surgical excision of the tumour was performed in only 3 cases, and the remaining patient refused further treatment. Of the patients undergoing surgical intervention, local recurrence occurred in one case. No metastases were observed. Long-term follow-up of patients with cutaneous leiomyosarcoma is mandatory to detect local recurrence and distant metastases that can occur even years after the initial excision.
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