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Published on: December 21, 2019
Current approaches, barriers, and future directions in pleural mesothelioma diagnostics: results from an Italian
Federica Pezzuto1, Gianluca Lopez2,3, Francesca Barbisan4
1Department of Cardiac, Thoracic, Vascular Sciences, and Public Health, University of Padova, University Hospital of Padova, Padova, Italy.
Objective:
This nationwide survey aimed to assess current diagnostic practices, adherence to international guidelines, and challenges encountered by Italian pathologists in the diagnosis of diffuse pleural mesothelioma (PM).
Methods:
A structured questionnaire with 38 items was distributed electronically via Google Forms to Italian pathologists involved in mesothelioma diagnosis. Questions covered demographics, biopsy practices, pathology report, immunohistochemistry, molecular diagnostics, educational needs, and barriers to collaborative research.
Results:
Participants represented diverse experience levels and institutional affiliations, primarily academic medical centers. Significant variability was found in tissue sampling and biobanking practices. Major diagnostic challenges included identifying sarcomatoid/desmoplastic patterns and inadequate adipose tissue in biopsies. Most pathologists managed inconclusive cases via multidisciplinary discussions and molecular analyses (BAP1, MTAP). Barriers identified included inadequate digital pathology infrastructure and limited standardized protocols for tissue collection. Participants strongly favored enhanced molecular resources, standardized histopathological protocols, and national collaborative initiatives.
Conclusions:
Improved diagnostic accuracy requires targeted training, standardized protocols, enhanced molecular diagnostic capabilities, and structured national collaborations.
