ArticleAbdominal radiology (New York)2024
CT and MRI findings of small cell neuroendocrine carcinoma of the urinary bladder: comparison with urothelial carcinoma.
Article in Abdominal radiology (New York), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Hyperattenuation on non-enhanced CT and T2 hypointensity: an imaging pattern frequently associated with fibrous or smooth muscle-rich abdominal and pelvic lesions.Abdominal radiology (New York) · 2026Review
- Case Report: Clinicopathological features of bladder neuroendocrine neoplasm: a retrospective case series of nine cases and literature review.Frontiers in oncology · 2026Article
- Molecular and immune characteristics of neuroendocrine bladder carcinoma - Implications for diagnosis, prognosis, and therapy: A review.Biomolecules & biomedicine · 2025Review
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Authors and funding
7 authors.
Funding
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Abstract
objectiveThis study aimed to evaluate the efficacy of CT and MRI findings to differentiate small cell neuroendocrine carcinoma (SCNEC) from urothelial carcinoma (UC) of the urinary bladder. MATERIALS AND
methodsThis study included 90 patients with histopathologically confirmed bladder cancer (10 SCNECs and 80 UCs). Eight patients with bladder SCNEC and 80 with UC underwent CT and MRI, whereas the remaining two patients with SCNEC underwent CT alone before treatment. CT and MRI findings were retrospectively evaluated and compared between the two pathologies.
resultsThe maximum diameter (36.5 mm vs. 19.0 mm, p < 0.01) and height (22.0 mm vs. 14.0 mm, p < 0.01) of the tumor in bladder SCNEC were higher than in UC. The pedunculated configuration (20% vs. 61%, p < 0.05) and irregular tumor margins (20% vs. 76%, p < 0.01) in bladder SCNEC were less common than in UC. The CT attenuation of the solid component in unenhanced CT images was higher in bladder SCNEC than in UC (37 Hounsfield unit [HU] vs. 34 HU, p < 0.01). The apparent diffusion coefficient (ADC) of the solid component in bladder SCNEC was lower than in UC (0.49 × 10
conclusionIn comparison with UC, bladder SCNEC was larger, had higher unenhanced CT attenuation, and had a lower ADC value. The pedunculated configuration and irregular tumor margins were typical of bladder UC.
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