2012, Number 2
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Rev Hosp Jua Mex 2012; 79 (2)
Tumor del estroma gastrointestinal (GIST) como tumor anexial
Orozco-Cervantes CA, Cruz-Rubín C, García-Álvarez J, Gutiérrez-Baños JJ
Language: Spanish
References: 24
Page: 114-118
PDF size: 203.37 Kb.
ABSTRACT
The term GIST was introduced by Mazur and Clark to designate tumors gut epithelial structural features devoid of smooth muscle
and immunohistochemical characteristics of Schwann cell. Represent 1% of all gastrointestinal tract tumors and are the most
common mesenchymal origin with an incidence of 10-20 cases per million, between 40 and 60 years without gender predilection.
Previously classified as smooth muscle tumors, schwannomas or neurofibromas, currently using immunohistochemical markers
are detected as the receptor for growth factor tyrosine kinase (CD117) in 100% of cases and CD34 in 70%, and vimentin, actin,
S-100 protein and desmin to distinguish them from above.
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