Collision tumor of recto-sigmoidian junction - case presentation.

@article{Mesina2014CollisionTO,
  title={Collision tumor of recto-sigmoidian junction - case presentation.},
  author={Cristian Mesina and Ion Vasile and Daniela Ciobanu and Firmilian Calotă and Corina Lavinia Gruia and Liliana Streba and Stelian Ştefăniţă Mogoantă and Horia P{\^a}rvănescu and Claudia Valentina Georgescu and Dănuţ Nicolae Tarniţă},
  journal={Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie},
  year={2014},
  volume={55 2 Suppl},
  pages={643-7}
}
Collision tumors of the colon are rare. A 64-year-old man was referred on Emergency County Hospital, Craiova, Romania for the evaluation of intestinal obstruction. Colonoscopy demonstrates the presence of about 9/5 cm sized mass in the rectosigmoid junction. After surgical resection, the rectosigmoid lesion was histopathologically composed of two distinct lesions: mucoid adenocarcinoma in the superficial layer and poorly differentiated neuroendocrin carcinoma in the deeper layer. A rectosigmoid… CONTINUE READING

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