ArticleDEN open2026
A Case of Human Epidermal Growth Factor Receptor 2-Positive Colon Cancer With Invasive Micropapillary Carcinoma Component.
Article in DEN open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Risk Factors and Prognosis Analysis of Infiltrating Micropapillary Carcinoma of Breast: A Retrospective Study.Breast cancer (Dove Medical Press) · 2026Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A female patient in her 60s tested positive for the fecal occult blood test while undergoing health screening. Colonoscopy revealed a 15-mm-sized flat elevated lesion with a central depression in the sigmoid colon. Narrow-band imaging magnification revealed a Japan Narrow-Band Imaging Expert Team classification of type 2B, whereas crystal violet staining showed a mild to severely irregular type VI pit pattern. Ultra-magnification imaging revealed an EC3a morphology in the depressed area. Endoscopic ultrasonography revealed partial disruption of the third layer, leading to the diagnosis of T1b (SM) colon cancer. Owing to the intermediate lesion size and since the patient had requested it, an endoscopic submucosal dissection was performed as an initial treatment. Pathological analysis revealed a moderately differentiated tubular adenocarcinoma with an invasive micropapillary carcinoma (IMPC) component, with deep submucosal invasion. Additional surgery was performed, and no recurrence was observed in the following three years. IMPC is known for its high rate of lymph-node metastasis and poor prognosis, as reported for breast, bladder, and lung cancers. IMPC is rare; this report presents a literature review and case details. This case represents the first reported instance of identification of a cancerous IMPC component by magnifying endoscopy at the T1b (SM) depth. Thus, even for intermediate lesions, IMPC should be considered as a differential diagnosis when endoscopic imaging suggests malignancy.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.