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[Primary round-cell liposarcoma of the bladder]
M Veiga González1, M F Fresno Forcelledo, M J Pérez del Río
1Servicio de Anatomía Patológica, Hospital Central de Asturias, Hospital Covadonga, Oviedo, España.
Archivos Espanoles De Urologia
|January 15, 1999
Summary
This case report details a rare primary round cell liposarcoma of the urinary bladder in an elderly female. This aggressive tumor presents a poor prognosis, highlighting the need for early detection and research into effective treatments.
Area of Science:
- Oncology
- Uropathology
Background:
- Primary liposarcoma of the urinary bladder is an exceptionally rare malignancy.
- Round cell liposarcoma is an aggressive subtype with limited reported cases in the bladder.
Observation:
- An 80-year-old female presented with hematuria due to a large (6.5 cm), solid, non-circumscribed bladder tumor.
- Radiological, histological, and immunohistochemical analyses were performed.
Findings:
- Histology revealed isolated lipoblasts amidst small round cells positive for S-100 and vimentin.
- A high proliferation rate was indicated by Ki-67 staining.
- The patient succumbed to the disease 10 months post-diagnosis.
Implications:
- This case underscores the rarity and poor prognosis associated with primary bladder liposarcoma.
- Early diagnosis and understanding the aggressive nature of this tumor are crucial for patient management.
- Further research is warranted to explore therapeutic strategies for this rare entity.