Comparative Evaluation of Cell Block Method and Smear Cytology in Fine Needle Aspiration Cytology of Intra-abdominal Mass Lesions

Bhowmik, Sourav; Chakrabarti, Indranil; Ghosh, Piyali; Bera, Pranati; Banik, Tarak

doi:10.30699/ijp.13.2.179

Iran J Pathol 2018

DOI: 10.30699/ijp.13.2.179

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Comparative Evaluation of Cell Block Method and Smear Cytology in Fine Needle Aspiration Cytology of Intra-abdominal Mass Lesions

Sourav Bhowmik

Indranil Chakrabarti²,

Piyali Ghosh

et al.

Abstract: Fine Needle AspirationCytology; Cell BlockBackground & objective: Fine needle aspiration cytology (FNAC) is an easy, rapid, and less hazardous tool to diagnose the intra-abdominal lesions with various imaging modalities adding to its sensitivity and accuracy. However, sometimes it does not yield adequate information for precise diagnosis and the risk of false-negative and indeterminate diagnosis is always present. Cellblock preparations may be particularly helpful in such problematic cases.The current study ai… Show more

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2024

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Cited by 5 publications

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Fine‐needle aspiration cytology for the diagnosis of plasma cell neoplasms in the head and neck region: A systematic analysis of the literature

Felix

SENA

Arruda

et al. 2022

Diagnostic Cytopathology

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Background Cytopathologic analysis is feasible and provides detailed morphological characterisation of head and neck lesions. Aims To integrate the available data published on fine‐needle aspiration cytology (FNAC) used for the diagnosis of plasma cell neoplasms (PCN) of the head and neck region. Materials and Methods Searches on PubMed, Web of Science, Embase, and Scopus were performed to compile data from case reports/case series published in English. The Joanna Briggs Institute tool was used for the critical appraisal of studies. Results A total of 82 studies comprising 102 patients were included in this review. There was a predilection for men (68.6%) (male/female ratio: 2.1:1). Individuals in their 50s (29.4%), 60s (22.5%), and 70s (22.5%) were more often affected. The thyroid gland (26.2%) was the main anatomical location, followed by scalp (15.5%), neck/cervical region (15.5%), jaws (13.6%), and major salivary glands (13.6%). For FNAC analysis, a smear was employed in 41 (40.6%) cases and a cell block was used in four (3.9%). In 56 (55.4%) reports, no cytological methods were available. Morphologically, 34 (56.7%) cases had a diagnosis of PCN with agreement between cytopathology and histopathology. The rate of wrong diagnoses when using cytology was 27.5%. Immunophenotyping was performed in 49 (48%) of the cases. The 69‐month disease‐free survival rate was 60.2%, while the 27‐month overall survival rate was 64.1%. Conclusion This study reinforces that FNAC can be an ancillary tool in the first step towards the diagnosis of PCN of the head and neck region, especially when applying a cell block for cytological analysis.

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Fine‐needle aspiration cytology for the diagnosis of plasma cell neoplasms in the head and neck region: A systematic analysis of the literature

Felix

SENA

Arruda

et al. 2022

Diagnostic Cytopathology

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Improving diagnosis of tuberculous lymphadenitis by combination of cytomorphology and MPT64 immunostaining on cell blocks from the fine needle aspirates

et al. 2022

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Background Extra pulmonary tuberculosis (EPTB) constitutes 18% of all tuberculosis (TB) cases and tuberculous lymphadenitis (TBL) constitutes 20–40% of EPTB. Diagnosis of TBL is challenging because of the paucibacillary nature of the disease. Objective To investigate the diagnostic potential of a new antigen detection test based on the detection of M. tuberculosis complex specific antigen MPT64 from fine needle aspirate (FNA) cytology smears and biopsies obtained from patients with clinically suspected TBL using immunohistochemistry (IHC). Materials and methods This study was conducted at Khyber Teaching Hospital and Rehman Medical Institute, Peshawar, Pakistan, from January 2018 to April 2019. Samples, including FNA (n = 100) and biopsies (n = 8), were collected from 100 patients with presumptive TBL. Direct smears and cell blocks were prepared from the FNA samples. All samples were subjected to hematoxylin–eosin (H&E) staining, Ziehl-Neelsen (ZN) staining, and immunostaining with polyclonal anti-MPT64 antibody. The culture was performed only for biopsy specimens. All patients were followed until the completion of anti-TB treatment. The response to treatment was included in the composite reference standard (CRS) and used as the gold standard to validate the diagnostic tests. Results The sensitivity, specificity, positive and negative predictive values for ZN staining were 4.4%,100%,100%,56%, for culture were 66%,100%,100%,50%, for cytomorphology were 100%,90.91%,90%,100%, and for immunostaining with anti-MPT64 were all 100%,respectively. The morphology and performance of immunohistochemistry were better with cell blocks than with smears. Conclusion MPT64 antigen detection test performed better than ZN and cytomorphology in diagnosing TBL. This test applied to cell blocks from FNA is robust, simple, and relatively rapid, and improves the diagnosis of TBL.

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The diagnostic utility of cell block as an adjunct to routine cytology

Pathak,

Rhutso,

Ahmed

2024

ACHR

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Despite the diagnostic utility of cell block in FNAC and fluid cytology, known for better cellular yield and improved diagnostic accuracy, the technique remains to be underutilized for diagnosing neoplastic lesions.In this paper, a hospital based prospective study of 195 samples was conducted on cytological samples with the aim (a) to evaluate the diagnostic utility of cell block as an adjunct to routine cytological evaluation of aspiration and effusion fluid specimens, (b) To correlate the findings of routine cytology, cell block and routine histopathological examination wherever possible and (c) to explore the possibility of using ancillary techniques such as immunohistochemistry on cell blocks. The study revealed, most of the patients were between 51- 60 years with female preponderance. Among 195 samples, 79 (40.5%) were peritoneal fluids and 85 (43.5%) were lymph node. The diagnosis on conventional smear and cell block showed 71 (36.5%) cases and 68 (35%) cases were negative for malignancy respectively. 6 (3%) cases and 4 (2%) cases were suspicious for malignancy respectively. 118 (60.5%) cases and 123 (63%) cases were positive for malignancy respectively. Amongst the peritoneal effusion the most common primary site was ovary whereas majority of the primary site was unknown in lymph node FNAC. Peritoneal effusion showed 8 additional cases as positive for malignancy in CB preparation which were negative or suspicious for malignancy on CS. In FNAC, two additional positive case was found in CB preparation of lymph node. A Kappa value of 89.5 % for statistical correlation between Conventional smear and cell block preparation was calculated. The use of Cell block technique increases the detection of malignancy when used as an adjunct to conventional smears. Cell block technique is simple, inexpensive and reliable adjuvant to smears and it is recommended for routine cytological diagnosis and for application of immunomarkers and molecular studies.

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Comparative Evaluation of Cell Block Method and Smear Cytology in Fine Needle Aspiration Cytology of Intra-abdominal Mass Lesions

Cited by 5 publications

References 6 publications

Fine‐needle aspiration cytology for the diagnosis of plasma cell neoplasms in the head and neck region: A systematic analysis of the literature

Fine‐needle aspiration cytology for the diagnosis of plasma cell neoplasms in the head and neck region: A systematic analysis of the literature

Improving diagnosis of tuberculous lymphadenitis by combination of cytomorphology and MPT64 immunostaining on cell blocks from the fine needle aspirates

The diagnostic utility of cell block as an adjunct to routine cytology

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