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Experience with an automated microwave-assisted rapid tissue processing method: validation of histologic quality and
Azorides R Morales1, Mehdi Nassiri, Rima Kanhoush
1Department of Pathology, University of Miami/Jackson Memorial Medical Center, FL, USA.
Abstract:
We studied the effect of a fully automated microwave-assisted rapid tissue processor (RTP) on histologic examination and on the turnaround time for surgical pathology reports. A quality assurance program reviewed the histologic sections obtained by the rapid processing method for the last 3 calendar years. In addition, the histologic results from this method were compared blindly with those obtained from the conventional overnight tissue processing (CTP) method by 9 pathologists with different levels of experience. The surgical pathology turnaround times for 1 year of use of the RTP were compared with the last year for CTP. We found that the RTP reproducibly yielded histologic material comparable in quality to CTP. The turnaround time for surgical pathology reports was improved substantially, and, in particular, same-day reporting was achieved in approximately 55% of cases compared with fewer than 1% before use of the RTP. Moreover, use of the RTP enhanced safety by eliminating formalin and xylene from the procedure.
Insights
A new automated microwave-assisted rapid tissue processor (RTP) provides histologic quality comparable to conventional tissue processing (CTP). This innovation significantly improves surgical pathology turnaround times and enhances laboratory safety.
Area of Science:
- Histopathology
- Surgical Pathology
- Laboratory Automation
Background:
- Conventional overnight tissue processing (CTP) is a time-consuming method in surgical pathology.
- Histologic examination quality is crucial for accurate diagnosis and patient care.
Purpose of the Study:
- To evaluate the impact of a microwave-assisted rapid tissue processor (RTP) on histologic quality.
- To assess the effect of RTP on surgical pathology report turnaround times.
- To compare the safety profile of RTP versus CTP.
Main Methods:
- A quality assurance program reviewed histologic sections from the RTP over three years.
- Nine pathologists blindly compared histologic results from RTP and CTP methods.
- Surgical pathology turnaround times were compared between RTP and CTP usage.
Main Results:
- The RTP consistently produced histologic material of quality comparable to CTP.
- RTP significantly reduced turnaround times, enabling same-day reporting in ~55% of cases (vs. <1% with CTP).
- RTP enhanced safety by eliminating formalin and xylene exposure.
Conclusions:
- Microwave-assisted rapid tissue processing is a viable alternative to CTP, offering comparable histologic quality.
- RTP substantially improves efficiency in surgical pathology workflows.
- The RTP method enhances laboratory safety by reducing exposure to hazardous chemicals.
