What question did this study set out to answer?

Document the clinical, histologic, and ultrastructural characteristics of a rare small cell neuroendocrine carcinoma arising within a urinary bladder diverticulum.

February 15, 1981Cancer

Neurosecretory granules in small cell invasive carcinoma of the urinary bladder

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Authors

SCStewart F. CramerRutgers, The State University of New Jersey MAMasanori AikawaUniversité Claude Bernard Lyon 1 MCMarilyn S. CebelinHamilton County Coroner

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Implication

Case report reveals small cell carcinoma with neurosecretory granules in a bladder diverticulum, indicating possible metaplastic origin and potential paraneoplastic hypophosphatemia.

Key Points

Document the clinical, histologic, and ultrastructural characteristics of a rare small cell neuroendocrine carcinoma arising within a urinary bladder diverticulum.
Evaluated a 69-year-old man presenting with bladder irritability and hematuria using cystoscopy, radiographic imaging, and conservative surgical resection (N=1).
Conducted histologic and ultrastructural examination of the excised tumor tissue and monitored clinical outcomes over 14 months of postoperative follow-up.
Histological and ultrastructural analysis confirmed features identical to pulmonary oat cell carcinoma, notably containing neurosecretory-type granules indicative of Kultschitzky-type cells.
Preoperative hypophosphatemia resolved spontaneously following tumor removal, with no signs of local recurrence or distant metastasis throughout 14 months of follow-up.

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Cramer et al. (1981) studied this question.

synapsesocial.com/papers/6a7e77840ffa55711f4c4fb1 https://doi.org/10.1002/1097-0142(19810215)47:4<724::aid-cncr2820470417>3.0.co;2-2

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Implication

Case report reveals small cell carcinoma with neurosecretory granules in a bladder diverticulum, indicating possible metaplastic origin and potential paraneoplastic hypophosphatemia.

Neurosecretory granules in small cell invasive carcinoma of the urinary bladder

Discussion

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Implication

Key Points

Cite This Study

Neurosecretory granules in small cell invasive carcinoma of the urinary bladder

Discussion

Member takes

Implication

Key Points

Cite This Study

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