Abstract:
:We previously reported that detection of desmoplastic reaction (DR) in pretreatment biopsy specimens was useful for predicting the depth of submucosal invasion (SM depth) in nonpedunculated early colorectal cancers (ECRCs) in a retrospective study. Here, we performed a prospective multicenter study for verification of our previous findings. Subjects were diagnosed with ECRC by endoscopy, and with adenocarcinoma from the biopsy specimens. Eleven institutions affiliated with the Japanese Society for Cancer of the Colon and Rectum participated in this collaborative study. A total of 112 patients with ECRC were enrolled. For nonpedunculated ECRCs, presence of DR was significantly correlated with SM depth. The sensitivity and specificity of detection of DR for prediction of pSM2 (tumor invasion ≥1000 µm) in nonpedunculated ECRCs were 68.6% and 92.0%, respectively. Evaluation of DR in pretreatment biopsy specimens may be useful for the clinicopathological diagnosis of colorectal carcinoma with massive invasion into the submucosal layer.
journal_name
Pathol Intjournal_title
Pathology internationalauthors
Kimura R,Fujimori T,Ichikawa K,Ajioka Y,Ueno H,Ohkura Y,Kashida H,Togashi K,Yao T,Wada R,Watanabe T,Ochiai A,Sugai T,Sugihara K,Igarashi Ydoi
10.1111/j.1440-1827.2012.02840.xsubject
Has Abstractpub_date
2012-08-01 00:00:00pages
525-31issue
8eissn
1320-5463issn
1440-1827journal_volume
62pub_type
杂志文章,多中心研究abstract::The copper and iron status in the liver of non-tumor bearing Long-Evans Cinnamon (LEC) rats (average age 17 months) was investigated. A direct quantitation of loosely-bound copper and iron was also investigated by using a chelating agent, nitrilotriacetic acid (NTA-chelatable free copper and iron). Besides the total c...
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