title: Role of FNAC, fluid specimens, and cell blocks for cytological diagnosis of lung cancer in the present era.
abstract: Cytoblocks prepared from residual tissue fluids and fine-needle aspirations can be useful adjuncts to smears for establishing a more definitive cytopathologic diagnosis. These paraffin embedded cytoblocks have been popular since these can be handled like any other histologic specimen. Rapid on-site evaluation (ROSE) can help in attaining adequate material in the cytoblock, which is a major concern to the cytopathologists. Ancillary studies can be done using cytoblocks including IHC and various molecular techniques. The opportunities for cytopathologists to influence therapy, and uncover strategies in the complex field of lung cancer are exciting and limitless especially in the presence of an adequate cytoblock.
authors.affiliation: Department of Cytology and Gynaecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab and Haryana, India.
authors.forename: Nalini
authors.initials: N
authors.lastname: Gupta
authors.affiliation: Department of Cytology and Gynaecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab and Haryana, India.
authors.forename: Aravind
authors.initials: A
authors.lastname: Sekar
authors.affiliation: Department of Cytology and Gynaecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab and Haryana, India.
authors.forename: Arvind
authors.initials: A
authors.lastname: Rajwanshi
keywords: Cytology; epidermal growth factor receptor (EGFR) mutations; fine-needle aspiration cytology (FNAC); immunochemistry; lung cancer
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