Primary signet-ring cell carcinoma of the urinary bladder: A report of two cases

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Published Apr 24, 2019
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Vol. 97 No. 1 (2019): Issue Jan 2019

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Leila Bouhajja
Faten farah
Nejib Garbouj
Soumaya Rammeh

Abstract

Introduction: Primitive bladder adenocarcinomas account for about 2% of urinary bladder tumors. Primary signet-ring cell carcinoma is a rare variant of bladder adenocarcinoma. It is characterized by a late diagnosis and a poor prognosis. The aim of the study was to discuss the clinical, pathological and evolutive features of this rare entity.
Clinical Observations: We report two patients a 53-year-old man and a 70-year-old woman. The main reason for consultation was right back pain, mictional burn and total hematuria. Abdominal ultrasound showed a thickened bladder wall measuring 8 mm in thickness. Ultrasonography revealed a budding intravesical lesion with a calculation of the lower left ureter measuring 5mm of great diameter. Cystoscopy showed an atypical tissular lesion frayed whitish and solid in the cut. Pelvic MRI performed in women showed a cervix ill-limited tissue mass invading the anterior vaginal wall. A transurethral resection of the bladder tumor was performed in one case and a biopsy of the bladder lesion for the other case. The immunohistochemical study showed positive tumoral cells to CK7. The diagnosis of signet ring cell adenocarcinoma of the bladder was established.
Conclusion: Signet ring cell adenocarcinoma of the bladder is an aggressive tumor of rapid development and poor prognosis. Its management is multidisciplinary and involves surgery. Adjuvant chemotherapy should be discussed even if consensual attitude has not been set.

Keywords:

Signet ring cell carcinoma, Urinary bladder, Linitis plastica.

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