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VOLUME 10, 2009  Issue Number 1 , 155-158
DownLoad : 155c Tham.pdf
Fine Needle Aspiration Biopsy, Core Needle Biopsy or Excision Biopsy to Diagnose Breast Cancer - Which is the Ideal Method?
Teck-Meng Tham et al
Background: The ideal method for diagnosis of breast cancer is debatable. Methods: The methods of diagnosis
of 436 new cases of breast adenocarcinoma presenting from Jan 2005 till Dec 2006 at the University Malaya
Medical Centre (UMMC) were examined in this study. Results: A total of 388 cases presented to the breast unit
in UMMC primarily and 48 cases were diagnosed in non-breast units in other hospitals and referred for
management. Fine needle aspiration cytology (FNAC) was the commonest mode of initial diagnosisis in 278
cases followed by core needle biopsy and surgical excision. In UMMC, FNAC was the commonest initial method
(68.3%) compared to cases diagnosed outside UMMC, where 37.5% of cases were diagnosed by excision. Tumours
less than 2cm were more likely to be diagnosed by excision biopsy. Conclusion: The biopsy method used to
confirm the diagnosis is influenced by where the patient first presents, and by the size of the tumour.
Key Words: Breast cancer - fine needle aspiration cytology - core needle biopsy - excision biopsy
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