Study of Superficial Type Colorectal Neoplasms with Central Depression
Author Information
Author(s): SUMIO FUJINUMA, YOSHIHIRO SAKAI
Primary Institution: Ohashi Hospital, Toho University School of Medicine
Hypothesis
What are the morphological and histological characteristics of superficial colorectal neoplasms with central depression?
Conclusion
Carcinomas are significantly larger and have deeper depressions compared to adenomas.
Supporting Evidence
- Carcinomas were found to be 8.8 ± 4.7 mm in size, while adenomas were 5.1 ± 2.3 mm.
- The depth of depression was 352 ± 147 µm in carcinomas and 277 ± 93 µm in adenomas.
- The ratio of neoplastic area in the mucosa was 78 ± 10% for carcinomas and 70 ± 10% for adenomas.
Takeaway
This study looked at some growths in the colon and found that cancerous ones are usually bigger and have deeper dips than non-cancerous ones.
Methodology
The study analyzed superficial neoplasms obtained by endoscopic resection, focusing on their size, depth of depression, and histological characteristics.
Limitations
The study only included lesions that met specific histological criteria and excluded those penetrating the muscularis mucosa.
Participant Demographics
51 lesions from men and 12 from women, mean age 64.2 years for men and 65.5 years for women.
Statistical Information
P-Value
p<0.01 for size comparison; p<0.05 for depth of depression.
Statistical Significance
p<0.05
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