{"doi":"10.1093/neuros/nyab100","title":"Commentary: The Ki-67 Proliferation Index as a Marker of Time to Recurrence in Intracranial Meningioma","abstract":"In the December 2020 issue of Neurosurgery, Mirian and colleagues1 evaluated the Ki-67 proliferation index as a marker for recurrence and time to recurrence in meningioma by evaluating a prospective cohort with long-term follow-up (10 yr). Meningiomas, the most common central nervous system (CNS) primary neoplasia (38.3% of CNS tumors),2 have an estimated incidence of 8.81 cases per 100 000 people per year. The incidence of meningioma increases with aging, and it is more common in females and African Americans.2 The 2016 World Health Organization (WHO) CNS classification recognizes 13 meningioma histologic subtypes with WHO grades ranging from 1 to 3.3 Nine histologic subtypes (meningothelial, fibrous, transitional, psammomatous, angiomatous, microcystic, secretory, lymphoplasmacyte-rich, and metaplastic) are considered WHO grade 1 unless features of aggressiveness are identified. Two histologic variants (clear cell and chordoid) are considered WHO grade 2, and one variant (papillary) is considered WHO grade...","journal":"Neurosurgery","year":2021,"id":218573,"datarank":0.16479184330021646,"base_score":1.0986122886681096,"endowment":1.0986122886681096,"self_citation_contribution":0.16479184330021646,"citation_network_contribution":0.0,"self_endowment_contribution":0.16479184330021646,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":2,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9564,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2021-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":319817,"name":"Ankush Chandra","orcid":"0000-0003-1843-3894","position":1,"is_corresponding":false},{"id":277127,"name":"Leomar Y. Ballester","orcid":"0000-0002-6854-6830","position":2,"is_corresponding":false},{"id":277128,"name":"Yoshua Esquenazi","orcid":"0000-0002-9757-1453","position":3,"is_corresponding":false},{"id":277119,"name":"Antonio Dono","orcid":"0000-0002-8041-8399","position":0,"is_corresponding":true}],"reference_count":24,"raw_metadata":{"citation_network_status":"fetched"},"created_at":"2026-07-18T23:53:29.626149Z","pmid":"33826714","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}