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Is it useful to perform biopsy at flexible cystoscopy? Study throws light
Ireland: A recent study in the Irish Journal of Medical Science sheds light on whether it is worthwhile to perform a biopsy at flexible cystoscopy for diagnosis and surveillance of bladder carcinoma. According to the study, about 18% of biopsies helped in malignancy detection, small volumes of tissue are collected at flexible cystoscopy, these can help to...
Ireland: A recent study in the Irish Journal of Medical Science sheds light on whether it is worthwhile to perform a biopsy at flexible cystoscopy for diagnosis and surveillance of bladder carcinoma. According to the study, about 18% of biopsies helped in malignancy detection, small volumes of tissue are collected at flexible cystoscopy, these can help to distinguish malignancy from benign pathology.
Flexible cystoscopy is the standard procedure for the surveillance and diagnosis of bladder carcinoma. Most flexible cystoscopes having a working channel that allows for biopsy and diathermy -- in case a suspicious lesion is observed. Only small instruments are permitted in the working channel that limits the volume of material retrieved for historical analysis. There are no standards of quality control of biopsy specimens taken at flexible cystoscopy.
Jody Khan, University Hospital Galway, Newcastle Road, Galway, Ireland, and colleagues reviewed the diagnostic yield of biopsies taken at flexible cystoscopy at our institution.
The researchers retrospectively examined theatre logbooks to identify cases of flexible cystoscopy where bladder biopsy was performed. Histopathology reports were reviewed. All biopsies were taken using single-use biopsy forceps, diameter 1.8 mm, open cup width 4.5 mm.
Key findings of the study include:
- From January 2014 to December 2017, a total of 143 biopsies were performed.
- All biopsies were taken for suspicious lesions where the differential diagnosis included malignancy.
- Of the 143 samples taken, 27 biopsies showed evidence of malignancy, and 9 cases were high-grade urothelial cancer.
- A total of 16 samples were inadequate for any histological diagnosis.
- All remaining samples excluded malignancy within the sample provided.
- A histopathological diagnosis was provided for almost 89% of cases.
"Our institution reports a non-diagnostic rate of approximately 11%, and in these cases, when there is still a suspicion of malignancy, a rigid cystoscopy and biopsy should be performed," concluded the authors.
The study, "Biopsy at flexible cystoscopy: is it worthwhile?" is published in the Irish Journal of Medical Science.
Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at firstname.lastname@example.org. Contact no. 011-43720751