Small bowel adenocarcinoma and Crohn's disease: Any further ahead than 50 years ago?

Table 3 Histopathology of small bowel cancers in Crohn’s disease

Histology	Watanabe et al[45]	Update since 1991
Adenocarcinoma	61 cases reported up until 1991 as quoted by Watanabe	Barwood et al[14]
		Chan et al[78]
		Chen et al[64]
		Christodoulou et al[79]
		Dossett et al[22]
		Feldstein et al[49]
		Fell et al[80]
		Fielding et al[9]
		Gillen et al[81]
		Gusakova et al[82]
		Jaskowiak et al[15]
		Jess et al[73]
		Kamiya et al[69]
		Katsanos et al[83]
		Kersting et al[65]
		Koga et al[84]
		Kronberger et al[85]
		Lindgren et al[86]
		Mellemjaker et al[71]
		Menon et al[12]
		Michelassi et al[55]
		Palascak-Juif et al[27]
		Partridge et al[13]
		Ribeiro et al[1]
		Richards et al[54]
		Rubio et al[87]
		Sammartino et al[88]
		Sigel et al[48]
		Solem et al[26]
Sarcoma		Gollop et al[89] (leiomyosarcoma)
		Jess et al[73] (leiomyosarcoma)
		Fielding et al[9] (reticulum-cell sarcoma)
Local lymphoma		Jess et al[73]
Carcinoid		Chen et al[64]
		Kvist et al[70]
		Mellemkjaer et al[71]
		Savoca et al[62]
Poorly differentiated		Petras et al[46]
		Savoca et al[62]
		Simpson et al[47]
Signet ring	8 cases reported up until 1991 as quoted by Watanabe