Immunohistochemical studies were carried out on cutaneous glomus tumours from 10 patients. The glomus areas in these tumours reacted strongly with anti-smooth muscle (CGA-7), anti-muscle (HHF-35) and anti-vimentin antibodies. Their neural supply was analysed using several nervous tissue markers (anti-neurone specific enolase, anti-S 100, anti-Leu 7, anti-neurofilaments). The results indicate a sprouting and proliferation rather than entrapment of pre-existing nerve fibres.
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Herbst et al. (1991) studied this question.
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