OOIR: Observatory of International Research

Papers

(The TQCC of Cytopathology is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Modern Cytopathology: An evolving field	55
Issue Information	29
Clear cell thyroid carcinoma in a patient with clear cell renal cell carcinoma: Not as clear as it seems	28
Are we ready to bridge classification systems? A comprehensive review of different reporting systems in thyroid cytology	19
Cytology Is No Longer ‘Just Cytology’: The Clear Message of the XII. Congress of Molecular Cytopathology in Naples	13
A case report of primary central nervous system lymphoma with immune deficiency/disorder setting diagnosed by cerebrospinal fluid cytology	12
Cervical cancer screening efficacy using SurePath, ThinPrep and conventional cytology: A large data set analysis from the Japan Cancer Society	12
One‐Stop Diagnosis in Interventional Pathology: A 7‐Year Experience With On‐Demand Care for Superficial Nodules	11
Delphi expert consensus for whole slide imaging in thyroid cytopathology	11
	10
Recommendations for reporting statistical results when comparing proportions	10
From haematuria to nephroureterectomy via urine cytology—A case study	9
Disseminated rhinosporidiosis masquerading as soft tissue round cell tumour diagnosed by fine needle aspiration cytology	9
Cytological assessment of a thyroid mass	9
A Killian‐Jamieson diverticulum potentially mimicking a thyroid nodule: A case report highlighting the cytology of a pharyngoesophageal diverticulum	9
Smear detected cervicovaginal melanoma following negative screening—a cautionary tale of rapidly developing malignancy of the lower female genital tract	8
Diagnostic implication of thyroid spherules for cytological diagnosis of thyroid nodules	8
Training undergraduate students for rapid on‐site evaluation of fine needle aspiration cytology samples using a simulation‐based education activity	7
The urgency of Burkitt lymphoma diagnosis in fluid cytology—A tertiary care experience	7
Plentiful melanin pigment containing histiocyte‐like cells in Coats disease: Awareness avoids diagnostic pitfall	7
Fine needle aspiration cytology of a space‐occupying lesion in the lung	6
Changes in thyroid fine needle aspiration practice during the COVID‐19 pandemic	6
Will we ever be the same again? The mental health impact of the COVID‐19 pandemic on health care staff and institutions	6
Thank you to reviewers 2023	6
Antithrombotic therapy—A simple algorithm for the interventional pathologist: A case series	6

Spindle‐nucleated cells in cervical liquid‐based cytology: Difficulties in distinguishing between epithelial and non‐epithelial tumours based on morphology	6
The combination of ACR‐Thyroid Imaging Reporting and Data system and The Bethesda System for Reporting Thyroid Cytopathology in the evaluation of thyroid nodules—An institutional experience	5
Detection of mesenchymal chondrosarcoma in pleural effusion with immunocytochemistry and determination of HEY1::NCOA2 fusion by next‐generation sequencing on cell block	5
Validation of ROS1 by immunohistochemistry against fluorescent in situ hybridisation on cytology and small biopsy samples in a large teaching hospital	5
How fine needle aspiration cytology and flow cytometry helped in diagnosing a high‐grade B‐cell lymphoma masquerading as leukaemia	5
Heterogeneity of cancer stem cell‐related marker expression is associated with three‐dimensional structures in malignant pleural effusion produced by lung adenocarcinoma	5
Some uncommon cystic lesions in the anterior head and neck region: Pitfalls to be avoided on cytology	5
Diagnostic impact of safety protocols for processing peritoneal washing specimens during the global pandemic of coronavirus disease 2019: A comparative study from 195 cytological samples	5
Primary leiomyosarcoma of the parotid gland: Aspiration cytology with emphasis on differential diagnosis	5
Fine needle aspiration cytology of a level IIB lymph node—what's your differential?	5
An effective approach for BRAF V600E mutation analysis of routine thyroid fine needle aspirates	5
Bugs' eyes and black monsters: Ascitic fluid cytology in an elderly male with hematochezia	5
Issue Information	5
Utilisation of cytological samples for multiplex immunofluorescence assay	5
Intraductal papillary mucinous neoplasm of the pancreas: Cytomorphology, imaging, molecular profile, and prognosis	5
Detection of non‐haematolymphoid malignancies in bronchoalveolar lavages–A cancer centre’s 10 year experience	5
Artificial intelligence algorithm accurately assesses oestrogen receptor immunohistochemistry in metastatic breast cancer cytology specimens: A pilot study	5
	4
Primary squamous cell carcinoma of the endometrium—Case report with cytological characteristics in direct and indirect endometrial samples	4
Inside this Month's Cytopathology	4
Now you see me, now you don't: Isolated central nervous system recurrence of CD19‐negative diffuse large B‐cell lymphoma following CD19‐directed CAR T‐cell	4
Thyroid poorly differentiated carcinoma metastatic to pancreas diagnosed by fine‐needle aspiration and demonstrating a novel BRAF fusion	4
Issue Information	4
Cytological diagnosis of pineoblastoma in cerebrospinal fluid	4
Time‐related changes in cell morphology and biomarker immunoreactivity for cells stored in a buffer‐based cell medium	4
Evaluation of accuracy of salivary gland fine needle aspirates using the Milan System for Reporting Salivary Gland Cytopathology	4
Inside this month’s cytopathology	4
An unusual case of malignant peritoneal effusion	4
Scoring system for intraoperative diagnosis of intracranial schwannoma by squash cytology	4
Cervical cytology in the detection of polymicrobial cervicitis	4
PD‐L1 and beyond: Immuno‐oncology in cytopathology	4
Issue Information	4
Utility of SOX11 for the diagnosis of solid pseudopapillary neoplasm of the pancreas on cytological preparations	4
The value of intercluster single cell streaks, triplet signet ring cells, and a two‐cell population in urine small cell neuroendocrine carcinoma	4
Cytological diagnosis of microfilariae in clinically unsuspected cases: A retrospective review of 12 cases	4
Cell block‐based RNA next generation sequencing for detection of gene fusions in lung adenocarcinoma: An institutional experience	4
Identifying the primary site of malignancy in carcinomatous serous effusions using immunocytochemistry	4
Thyroid FNA terminology: The case for a single unified international system for thyroid FNA reporting	4
Androgen insensitivity syndrome: Can cytology help?	4
A tumour with two‐and‐a‐half faces—Primary lung adenosquamous carcinoma causing secondary squamous cell carcinoma in the colon	4
Cutaneous balloon‐cell melanoma metastases to the axillary lymph node: Exploring cytomorphologic features and differential diagnoses on fine needle aspiration biopsy	4
Cerebrospinal fluid cytology findings in a case of diffuse leptomeningeal glioneuronal tumour	4
Immunotherapy and lung cytopathology: Overview and possibilities	3
The Great Impostor: A challenging case of small‐cell melanoma with isolated adrenal metastasis	3
	3
Accuracy of fine‐needle aspiration of lymph nodes: A cancer center’s experience	3
Categorisation of lymph node aspirates using the proposed Sydney system with assessment of risk of malignancy and diagnostic accuracy	3
Cytologic features of meningioma: An analysis of common and uncommon subtypes and diagnostic difficulties during intraoperative procedures	3
Fine needle aspiration cytology of dermatofibrosarcoma protuberans arising in a burn scar	3
Lymphocytic emperipolesis in breast carcinoma on cytology smears—A curious finding!	3

Cytopathological characteristics of angioimmunoblastic T‐cell lymphoma diagnosed by fine needle aspiration	3
Cytological findings in a central nervous system demyelinating disease	3
Computer‐assisted urine cytology: Faster, cheaper, better?	3
Cytological Features of Sialoblastoma: A Case Report With Summary of Prior Published Cases	3
Metastatic germ cell tumour in effusion cytology	3
Striated duct adenoma: The cytological description of a rare entity	3
Categorisation of serous effusions using the International System for Reporting Serous Fluid Cytopathology and assessment of risk of malignancy with diagnostic accuracy	3
Non‐neoplastic respiratory fluid cytology including cell differential counts for interstitial lung disease	3
Sensitivity of liquid‐based cytology in the diagnosis of mucormycosis in COVID‐19 treated patients	3
Utility of the Milan system for reporting salivary gland cytopathology during rapid on‐site evaluation (ROSE) of salivary gland aspirates	3
Evaluation and application of American College of Radiology Thyroid Imaging Reporting and Data System for improved malignancy detection in paediatric thyroid nodules	3
Cytomorphology of a unique case of dedifferentiated chordoma involving a pleural effusion specimen	3
Inside this Month's Cytopathology	3
Cytomorphological spectrum of solitary fibrous tumour: revisited	3
Thank You to Reviewers 2024	3
Opportunity to elevate the quality of data reporting in Cytopathology	3
Infantile Fibromatosis Colli: Cytological Diagnosis of a Rare Entity	3
Neonatal Mimicker Cells in Cerebrospinal Fluid	3
Cytopathological features of gastroesophageal junction adenocarcinoma with enteroblastic differentiation and histopathological correlation	3
Diagnostic Value of Liquid‐Based Cervical Cytology Test in Endometrial Carcinoma	3
The value of cytology in distinguishing malignant mesothelioma: An institutional experience of 210 cases reclassified according to the International System for Reporting Serous Fluid Cytopathology (IS	3
The detrimental consequences of two consecutive disasters impacting cytopathology in Ukraine: COVID followed by the war	3
Impact of implementing the first edition of the Paris system for reporting: A systematic review and meta‐analysis	3
COVID‐19 and cytopathology: The many faces of the pandemic's impact 3 years on	3
Flow cytometric immunophenotyping in a liquid‐based cytology sample of pleural fluid: Connecting the dots	3
A review of the directly sampled endometrial cytology on LBC samples: Classification, microscopic criteria and beyond	3
Reporting Bone Cytopathology—A Proposal Based on a Single Tertiary Centre Experience	3
	2
Combined fine needle aspiration cytology and core needle biopsy in the same setting: A two‐years’ experience	2
Early Welsh cervical screening programme learning as a consequence of the coronavirus pandemic	2
Cytological diagnosis of candidal peritonitis masquerading as peritoneal carcinomatosis in a young woman	2
Morphology quiz: Bronchial washing cytology from flexible bronchoscopy	2
Molecular testing in salivary gland cytopathology: A practical overview in conjunction with the Milan system	2
Application of the international system for reporting serous fluid cytopathology on pleural effusion cytology with paired pleural biopsy: A new insight and novel approach on risk of malignancy	2
Cytodiagnosis of bilateral abdominopelvic masses in a postmenopausal woman	2
Acute cholangitis with acute myeloid leukaemia: A case report	2
Ultrasound fundamentals and their clinical implications for interventional cytopathologists	2
Issue Information	2
	2
Cytology of a mass in the hard palate: A diagnostic pitfall	2
The liquid biopsy series: A cytopathological perspective	2
FNA cytology of columnar cell variant of papillary thyroid carcinoma: A case report with review of literature	2
Comparison of two sample collection devices for anal cytology in HIV‐positive men who have sex with men: Cytology brush and Dacron swab	2
Adenosquamous carcinoma arising within a long‐standing intrapulmonary bronchogenic cyst in an adult presenting with hyponatraemia	2
Sequential small cell transformation and T790M mutation in an epidermal growth factor‐mutant lung adenocarcinoma: A rare occurrence with significant management implications	2
Cytological features of cranial and paraspinal nerve Tumours	2
A decade of change: Trends in the practice of cytopathology at a tertiary care cancer centre	2
Neuroendocrine tumour of the breast: A challenging diagnosis on cytology	2
Fine needle aspiration cytology of a superficial CD34‐positive fibroblastic tumour, including differential diagnoses and recent updates	2
Invasive cervical cancer audit: What lessons can we learn locally and where would we stand with regard to duty of candour?	2
A challenging diagnosis of mammary analogue secretory carcinoma (MASC) on fine needle aspiration cytology and cell block: A cytopathologist's perspective	2
The diagnostic conundrum of hyper eosinophilia—Sheer tenacity of a parasite	2
Cervical glandular neoplasia referrals and the diagnosis of adenocarcinoma in situ: Correlating cytology, colposcopy findings, and clinical outcomes	2
Diagnostic significance and cytological features of NUT carcinoma by EBUS‐FNA, a case report and literature review	2
COVID‐19 post‐vaccination lymphadenopathy: A review of the use of fine needle aspiration cytology	2
Author Index	2
Use of cytology fluid samples for predictive biomarker testing in lung cancer patients	2
Transformation from lung adenocarcinoma to combined small cell carcinoma in pleural effusion after treatment with osimertinib	2
Upcoming World Health Organization system for reporting lymph node cytopathology—A preliminary outline	2
Cytopathological findings of granular cell glioblastoma in intraoperative squash smear preparations: A case report	2
Cerebrospinal fluid cytology in a toddler with a posterior fossa space‐occupying lesion	2
Issue Information	2
The international system for reporting serous fluid cytopathology: The initial project survey	2
Cerebrospinal fluid infiltration by chronic myeloid leukaemia: Evaluation of cytomorphological features	2
Cytology‐histology correlation of cervical Papanicolaou smears and biopsies performed at a single institution compared to those performed at different institutions	2
One nodule–one punction–one slide: Optimizing thyroid fine‐needle aspiration for a digital workflow	2
Cytology of angiofibroma of soft tissue of the inguinal region	2
Subcutaneous swellings as the initial presentation of malignancy in an infant: Highlighting the cytological mimics at the metastatic site	2
Issue Information	2
Cytological features of hyaline fibromatosis syndrome: A case report with summary of prior published cases	2
Unleash your potential: Inside interventional pathology	2
Snot what you think: Mucus or myxoid matrix with epithelioid cells and bubbly cytoplasm?	2
The level of agreement between rapid‐on‐site evaluation of endoscopic ultrasound fine needle aspirate and surgical histological diagnosis in gastrointestinal lesions	2
Cytological scoring for pancreatic specimens obtained by endoscopic ultrasound‐guided fine needle aspiration	2
Dual Sec62/Ki67 immunocytochemistry of liquid‐based cytological preparations represents a highly valid biomarker for non‐invasive detection of head and neck squamous cell carcinomas	2
Oncocytic/Hürthle cell lesions have the same implied risk of neoplasm/malignancy as their follicular counterparts	2
Cervical cytology in the detection of uterine clear cell carcinoma: Diagnostic predictors from a case‐control study	2
Cellular debris on negative liquid‐based cytology cervicovaginal smears	2
Amelanotic melanoma arising from a giant congenital melanocytic nevus – A novel entity diagnosed by fine needle aspiration	2
Inside this Month’s Cytopathology	2