National Cancer Institute (source definition)
Cytology
The light microscopic study of normal and abnormal cells in fine needle aspirates (FNAs), body cavity fluids, and smears.
Review and references
Automated source check (NCI definition)
2026-10-19
2026-10-30
professional use
References
- NCI Thesaurus 26.09d — Cytology (C16491)
- Source: National Cancer Institute, NCI Thesaurus 26.09d, C16491. NCI definition, reproduced without modification under CC BY 4.0.
- Intranodular Lactate for Thyroid Nodule Assessment: Universal Performance and Maximum Impact in Indeterminate Cytology. — Eur Thyroid J, 2026-10-07 (PMID 42842353; literature)
- Treatment Outcomes for Gastric Cancer With Positive Peritoneal Lavage Cytology or Localized Peritoneal Metastasis. — JAMA Surg, 2026-10-07 (PMID 42842264; literature)
- High Concordance of p53 Immunohistochemistry Between Cytology and Surgical Specimens Supports Early Classification of Gynecologic Malignancies and Borderline Tumors. — Diagn Cytopathol, 2026-10-06 (PMID 42836681; literature)
- Lung cytology in the diagnostic workflow: A real-world study of its clinical impact. — Lung Cancer, 2026-10-03 (PMID 42854279; literature)
- Analysis of serological markers and synovial fluid cytology in aseptic revision total knee arthroplasty. — Arch Orthop Trauma Surg, 2026-10-20 (PMID 42902091; literature)
- Cytology and hrHPV Testing in HPV-Vaccinated Women Entering Cervical Screening: A Prospective Observational Study. — BJOG, 2026-10-20 (PMID 42899485; literature)
- Interobserver Variability in Pulmonary Cytopathology Diagnostics by Whole-slide Digital Cytology-A multi-expert International Study. — Pathobiology, 2026-10-21 (PMID 42905636; literature)
- Multitask Deep Learning Model for Predicting Lymph Node Metastasis and Disease-Free Survival From Cytology Images in Bladder Cancer: A Multicenter Study With Pan-Cytology Validation. — Adv Sci (Weinh), 2026-10-21 (PMID 42904771; literature)
- Morphology-Based Cytosponge Cytology Versus Concurrent Endoscopic Biopsy for Detecting Dysplasia in Barrett's Oesophagus Surveillance: A Prospective, Single-Centre Paired Study. — Cytopathology, 2026-10-25 (PMID 42928614; literature)
- Lipidomic profiling of peritoneal lavage supernatant identifies PE/PA/PI-enriched recurrence biomarkers in cytology-negative gastric cancer. — Gastric Cancer, 2026-10-22 (PMID 42911524; literature)
- Fine Needle Aspiration Cytology of a Postoperative Foreign Body Reaction Mimicking Peritoneal Metastasis From Colon Adenocarcinoma. — Cytopathology, 2026-10-27 (PMID 42947331; literature)
What it is
The light microscopic study of normal and abnormal cells in fine needle aspirates (FNAs), body cavity fluids, and smears.
Source: National Cancer Institute, NCI Thesaurus 26.09d, C16491. NCI definition, reproduced without modification under CC BY 4.0.
Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Compliance note
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
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