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Percutaneous lung aspiration biopsy: a comparison between two fine needles
W Y Cheong1, A Thomas, S G Chee
1Department of Radiology, Tan Tock Seng Hospital, Singapore.
Australasian Radiology
|May 1, 1992
Summary
Fine needle lung aspiration biopsy is a safe and effective method for diagnosing lung conditions. Both Turner and EZ-EM needles show comparable diagnostic yields and complication rates, with aspirates often sufficient for diagnosis.
Area of Science:
- Pulmonology
- Pathology
- Medical Devices
Background:
- Fine needle lung aspiration biopsy is an established technique for histopathological diagnosis.
- It is recognized for its speed, simplicity, reliability, and low complication rates.
Purpose of the Study:
- To compare the diagnostic yield and complication rates of the Turner and EZ-EM Cut-Biopsy needles in percutaneous lung aspiration.
- To evaluate the necessity of tissue cores versus aspirates for diagnosis.
Main Methods:
- A retrospective review of percutaneous lung aspiration biopsies using Turner and EZ-EM Cut-Biopsy needles.
- Comparison of diagnostic yields and complication rates between the two needle types.
- Analysis of the sufficiency of aspirates versus tissue cores for definitive diagnosis.
Main Results:
- Both Turner and EZ-EM needles demonstrated comparable diagnostic yields (65% and 71%, respectively) and complication rates.
- In most cases, cytological aspirates alone were sufficient for diagnosis.
- Obtaining tissue cores with larger bore needles did not significantly improve the diagnostic outcome.
Conclusions:
- The Turner and EZ-EM needles are equally effective and safe for percutaneous lung aspiration biopsy.
- The least traumatic needle is recommended unless the initial diagnosis is non-specific or inadequate.
- Repeat biopsy with a cutting needle is advised for non-specific or inadequate initial aspirates to obtain tissue cores.