Article
Clinicopathological features of primary leiomyosarcoma of the gastrointestinal tract following recognition of gastrointestinal stromal tumours.
Histopathology - 1 Aug 2013
Yamamoto Hidetaka, Handa Mizuki, Tobo Taro, Setsu Nokitaka, Fujita Kohei, Oshiro Yumi, Mihara Yumi, Yoshikawa Yasuji, Oda Yoshinao
Abstract excerpt
AIMS: We aimed to elucidate the clinicopathological and immunohistochemical features of leiomyosarcoma (LMS) of the gastrointestinal (GI) tract. METHODS AND RESULTS: We encountered seven cases of GI-LMS in the colon (n = 4), rectum (n = 1), jejunum (n = 1) and stomach (n = 1). They ranged from 1 to 25 cm (median, 8.5 cm) in size and had high mitotic counts (median 38 per 50 high-power fields). Morphologically,...
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