{"doi":"10.1159/000090677","title":"Small Artery Dementia in Japan: Radiological Differences between CADASIL, Leukoaraiosis and Binswanger’s Disease","abstract":"<jats:p>CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy) is a hereditary small artery disease which is phenotypically similar to Binswanger’s disease (BD), a nonhereditary form of small artery disease. Recent studies have indicated that lesions in the temporopolar, medial frontopolar areas and external capsule are frequently seen in Caucasian patients with CADASIL. However, it remains unclear whether magnetic resonance (MR) imaging findings are helpful in diagnosing small artery disease outside countries with Caucasian populations, since CADASIL is rare despite the high prevalence of small artery disease in Japan. We examined 58 patients with small artery disease, all of whom were devoid of major vessel occlusion or severe stenosis. These patients included 7 patients from 3 families with CADASIL, 27 nondemented patients with extensive leukoaraiosis (LA) and 24 patients with BD. On T&lt;sub&gt;2&lt;/sub&gt;-weighted MR images, hyperintensities in the temporopolar areas were observed in all 7 patients with CADASIL, whereas these lesions were observed in only 1 subject from each of the nondemented LA and BD groups. Hyperintensities in the medial frontopolar areas were seen in 4 of the 7 patients with CADASIL (57%) and in 14 of the 24 patients with BD (58%), and were more frequent than in the nondemented LA group (4 of the 27 patients; 15%). In contrast, hyperintensities in the external capsule were frequently observed in all groups. Therefore, temporopolar lesions can also serve as diagnostic markers for CADASIL in non-Caucasian patients.</jats:p>","journal":"Dementia and Geriatric Cognitive Disorders","year":2006,"id":595902,"datarank":0.4566783656585135,"base_score":3.044522437723423,"endowment":3.044522437723423,"self_citation_contribution":0.4566783656585135,"citation_network_contribution":0.0,"self_endowment_contribution":0.4566783656585135,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":20,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1526106,"name":"Ryo Ohtani","orcid":null,"position":1,"is_corresponding":false},{"id":1526107,"name":"Hideaki Wakita","orcid":null,"position":2,"is_corresponding":false},{"id":1526108,"name":"Jin-Xi Lin","orcid":null,"position":3,"is_corresponding":false},{"id":156912,"name":"Masafumi Ihara","orcid":null,"position":4,"is_corresponding":false},{"id":208000,"name":"Yukio Miki","orcid":"0000-0003-0621-0044","position":5,"is_corresponding":false},{"id":1526110,"name":"Fumiko Oshima","orcid":null,"position":6,"is_corresponding":false},{"id":1526112,"name":"Takaho Murata","orcid":null,"position":7,"is_corresponding":false},{"id":1116406,"name":"Kenichi Ishibashi","orcid":"0000-0002-6216-1657","position":8,"is_corresponding":false},{"id":185873,"name":"Toshihiko Suenaga","orcid":null,"position":9,"is_corresponding":false},{"id":1428882,"name":"Toshiki Mizuno","orcid":"0000-0002-7907-8243","position":10,"is_corresponding":false},{"id":419187,"name":"Hidekazu Tomimoto","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Small Artery Dementia in Japan: Radiological Differences between CADASIL, Leukoaraiosis and Binswanger’s Disease","abstract":"<jats:p>CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy) is a hereditary small artery disease which is phenotypically similar to Binswanger’s disease (BD), a nonhereditary form of small artery disease. Recent studies have indicated that lesions in the temporopolar, medial frontopolar areas and external capsule are frequently seen in Caucasian patients with CADASIL. However, it remains unclear whether magnetic resonance (MR) imaging findings are helpful in diagnosing small artery disease outside countries with Caucasian populations, since CADASIL is rare despite the high prevalence of small artery disease in Japan. We examined 58 patients with small artery disease, all of whom were devoid of major vessel occlusion or severe stenosis. These patients included 7 patients from 3 families with CADASIL, 27 nondemented patients with extensive leukoaraiosis (LA) and 24 patients with BD. On T&lt;sub&gt;2&lt;/sub&gt;-weighted MR images, hyperintensities in the temporopolar areas were observed in all 7 patients with CADASIL, whereas these lesions were observed in only 1 subject from each of the nondemented LA and BD groups. Hyperintensities in the medial frontopolar areas were seen in 4 of the 7 patients with CADASIL (57%) and in 14 of the 24 patients with BD (58%), and were more frequent than in the nondemented LA group (4 of the 27 patients; 15%). In contrast, hyperintensities in the external capsule were frequently observed in all groups. Therefore, temporopolar lesions can also serve as diagnostic markers for CADASIL in non-Caucasian patients.</jats:p>","is_dataset_classified":null,"base_score":3.044522437723423,"endowment":3.044522437723423,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"16391479","pmcid":null,"openalex_id":"https://openalex.org/W1998056045","authors":[],"funders":[],"total_grants":0,"fwci":1.3152,"citation_percentile":0.80433081,"influential_citations":0,"citation_trend":[{"year":2016,"count":2},{"year":2017,"count":1},{"year":2018,"count":1},{"year":2019,"count":3},{"year":2020,"count":1},{"year":2021,"count":2},{"year":2022,"count":1},{"year":2024,"count":1},{"year":2025,"count":1},{"year":2026,"count":1}],"oa_status":"closed","license":"https://www.karger.com/Services/SiteLicenses","oa_locations":[{"url":"https://www.karger.com/Article/Pdf/90677","host_type":"publisher"},{"url":"https://doi.org/10.1159/000090677","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/16391479","host_type":"repository"}],"fields_of_study":["Cerebrovascular and genetic disorders","Moyamoya disease diagnosis and treatment","Cerebrovascular and Carotid Artery Diseases","Adult","Aged","Aged, 80 and over","Asian People","Brain","Brain Stem","CADASIL","Cross-Cultural Comparison","Dementia, Vascular","Diagnosis, Differential","Female","Frontal Lobe","Humans","Image Processing, Computer-Assisted","Leukoaraiosis","Magnetic Resonance Imaging","Male","Middle Aged","Neural Pathways","Pedigree","Radiography","Sensitivity and Specificity","Temporal Lobe","White People"],"mesh_terms":["Adult","Aged","Aged, 80 and over","Brain","Brain Stem","Cross-Cultural Comparison","Diagnosis, Differential","Female","Frontal Lobe","Humans","Image Processing, Computer-Assisted","Magnetic Resonance Imaging","Male","Middle Aged","Neural Pathways","Pedigree","Radiography","Sensitivity and Specificity","Temporal Lobe","Dementia, Vascular","White People","Asian People","CADASIL","Leukoaraiosis"],"keywords":["CADASIL","Leukoaraiosis","Leukoencephalopathy","Hyperintensity","Dementia","Vascular dementia","Medicine","Pathology","Magnetic resonance imaging","Disease","Radiology"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Good health and well-being"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-07-27T18:02:37.272151Z","pmid":null,"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":[]}