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[High grade transitional cell carcinoma with signet ring cell pattern. Case report].

F J Torres Gómez1, A García Escudero, F J Torres Olivera

  • 1Servicio de Anatomía Patològica, Hospital de Jerez de la Frontera, Cádiz, España. javiertorresgomez@yahoo.es

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Summary

Signet ring cells in transitional cell carcinoma indicate a poor prognosis. Early cytological detection is crucial for timely diagnosis and management of this aggressive cancer.

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Area of Science:

  • Uropathology
  • Oncology
  • Cytopathology

Background:

  • Transitional cell carcinoma (TCC) is a common malignancy of the urinary tract.
  • The presence of signet ring cells within TCC is associated with aggressive behavior and poor prognosis.
  • Accurate diagnosis and staging are critical for effective patient management.

Observation:

  • A case of high-grade TCC with a signet ring cell pattern in a 69-year-old male is presented.
  • Serial cytological tests performed after clinical debut could have potentially foreseen the presence of signet ring cells.
  • Distinguishing primary TCC with signet ring cells from metastatic disease is essential.

Findings:

  • The diagnosis of TCC with signet ring cell morphology requires exclusion of metastatic or infiltrative neoplasms from other organs.
  • Histopathological examination is key to identifying signet ring cells and determining the tumor's primary origin.
  • The coexistence of in situ neoplasia or infiltrative TCC aids in establishing the primary nature of the tumor.

Implications:

  • Early cytological detection of signet ring cells in TCC can improve diagnostic accuracy and patient outcomes.
  • Understanding the histological patterns of TCC is vital for differentiating primary tumors from metastases.
  • This case highlights the importance of comprehensive cytological evaluation in managing urinary tract malignancies.