PMC3371667_01
Clinical characteristics of the vascular leiomyomas. Multiple erythematous lesions on the tongue, cheek, and floor of the mouth were observed.
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An 8-month-old girl was referred to the Department of Oral and Maxillofacial Surgery of the University Hospital San Vicente in Medellin, Colombia, for evaluation of multiple erythematous lesions on the tongue, cheek and floor of the mouth (Figure 1).
Histopathological characteristics of the vascular leiomyomas. Microscopically fusiform cell proliferation with elongated nuclei and eosinophilic cytoplasm was observed.
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Several blood vessels lined by a thin layer of endothelial cells were observed intercalated in the fascicules (Figure 2).
Immunohistochemical characteristics of the vascular leiomyomas. The immunohistochemical study revealed the expression of vimentin, desmin, muscle specific actin, and smooth muscle actin within the tumor cells.
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Immunohistochemical techniques were also applied, involving monoclonal antibodies against actin, vimentin, cytokeratin, and the S-100 protein (Figure 3).
Resection of the leiomyomas. The patient had a correct evolution without any postoperative incident.
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Finally, the lesions were removed under general anaesthesia (Figure 4).