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Transvaginal Sonography Versus Cystoscopy for Detecting Urinary Bladder Invasion in Early Stage Cervical Cancer
Vijay Zutshi1, Binni Makkar2, Anju Garg3
1Senior Specialist, Department oif Obstetrics and Gynecology, Safdarjung Hospital , New Delhi, India .
Introduction:
Cervical cancer is a major cause of mortality from cancer among women. In it's early stage pre operative staging with cystoscopy is a standard procedure for the detection of urinary bladder involvement.
Aim:
The present study was conducted with the aim to compare the efficacy of Transvaginal Sonography (TVS) and cystoscopy in diagnosing bladder involvement in early stage cervical cancer patients by confirming it intraoperatively and further by histopathologic examination.
Materials And Methods:
A prospective partially blinded study was conducted between March 2006 and September 2008 on 30 patients with early stage cervical cancer (Stage I and IIa) who were planned to undergo radical hysterectomy. Pre operatively, these patients underwent both TVS and cystoscopy to diagnose bladder involvement. Presence or absence of bladder involvement was then confirmed intra operatively and by histopathologic examination.
Results:
In all the 30 patients studied, no bladder involvement was seen on cystoscopy where as TVS showed bladder involvement in three patients. Involvement of the bladder in these three patients was confirmed intra operatively and by histopathologic examination. Thus, in our study, TVS was 100% sensitive in detecting bladder involvement.
Conclusion:
TVS is highly sensitive in diagnosing bladder involvement in early stage cervical cancer and could potentially detect cases missed with a cystoscopy.