Journal
MEDICINE
Volume 101, Issue 20, Pages -Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000029229
Keywords
benign neoplasms; cartilaginous; case report; chondroma; urinary bladder neoplasms
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Bladder chondroma is a rare benign tumor that mainly affects older patients. It manifests as urinary symptoms and abdominal pain, and transurethral resection is the preferred treatment.
Rationale: Chondromas are benign tumors comprising cartilaginous tissue that commonly occur in the small bones of the hands and feet. Chondromas are extremely rare in extraskeletal soft tissues, and only six cases of bladder chondromas have been reported thus far. Patient concerns: A 75-year-old woman presented with abdominal pain and urinary symptoms, including increased frequency and a weak stream. Diagnosis: Cystoscopy revealed a well-defined bladder mass over the anterior bladder wall. The pathology report showed neoplastic chondrocytes within the hyalinized and focal myxoid matrix, and immunopositivity for S-100, leading to the seventh known diagnosis of bladder chondroma. Interventions: The tumor was endoscopically resected. The postoperative stay was uneventful, and 5 days later, the patient was discharged after the removal of the urinary catheter. Outcomes: One month after surgery, repeated cystoscopy showed no recurrence of the bladder tumor, and the patient reported improvement in urinary symptoms and relief of lower abdominal pain. Lessons: Chondromas of the urinary bladder can present as urinary symptoms and abdominal pain in older patients. Transurethral resection is the treatment of choice.
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