Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1972800286', 'doi': 'https://doi.org/10.1002/jcu.20797', 'title': 'Value of contrast‐enhanced sonography in the diagnosis of peripheral intrahepatic cholangiocarcinoma', 'display_name': 'Value of contrast‐enhanced sonography in the diagnosis of peripheral intrahepatic cholangiocarcinoma', 'publication_year': 2011, 'publication_date': '2011-05-27', 'ids': {'openalex': 'https://openalex.org/W1972800286', 'doi': 'https://doi.org/10.1002/jcu.20797', 'mag': '1972800286', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/21626512'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/jcu.20797', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S35103199', 'display_name': 'Journal of Clinical Ultrasound', 'issn_l': '0091-2751', 'issn': ['0091-2751', '1097-0096'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5081907425', 'display_name': 'Chaolun Li', 'orcid': 'https://orcid.org/0000-0003-1890-0587'}, 'institutions': [{'id': 'https://openalex.org/I24943067', 'display_name': 'Fudan University', 'ror': 'https://ror.org/013q1eq08', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I24943067']}, {'id': 'https://openalex.org/I157773358', 'display_name': 'Sun Yat-sen University', 'ror': 'https://ror.org/0064kty71', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I157773358']}, {'id': 'https://openalex.org/I4210128921', 'display_name': 'The First Affiliated Hospital, Sun Yat-sen University', 'ror': 'https://ror.org/037p24858', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210128921']}, {'id': 'https://openalex.org/I4210127074', 'display_name': 'Zhongshan Hospital', 'ror': 'https://ror.org/032x22645', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210127074']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Chaolun Li', 'raw_affiliation_strings': ['Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai 200032, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai 200032, China.', 'institution_ids': ['https://openalex.org/I24943067', 'https://openalex.org/I157773358', 'https://openalex.org/I4210128921', 'https://openalex.org/I4210127074']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100668418', 'display_name': 'Wen‐Ping Wang', 'orcid': 'https://orcid.org/0000-0002-6797-1835'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Wenping Wang', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5088961129', 'display_name': 'Hong Ding', 'orcid': 'https://orcid.org/0000-0002-9998-0904'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Hong Ding', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5087427620', 'display_name': 'Beijian Huang', 'orcid': 'https://orcid.org/0000-0003-1333-1813'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Beijian Huang', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5102293166', 'display_name': 'Jiaying Cao', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Jiaying Cao', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100769614', 'display_name': 'Feng Mao', 'orcid': 'https://orcid.org/0000-0003-2918-5582'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Feng Mao', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5103379393', 'display_name': 'Zhengbiao Ji', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Zhengbiao Ji', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 1, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3040, 'currency': 'USD', 'value_usd': 3040, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 2.058, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 21, 'citation_normalized_percentile': {'value': 0.924465, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 90, 'max': 91}, 'biblio': {'volume': '39', 'issue': '8', 'first_page': '447', 'last_page': '453'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11364', 'display_name': 'Cholangiocarcinoma', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11364', 'display_name': 'Cholangiocarcinoma', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12460', 'display_name': 'Pathogenesis and Management of Biliary Atresia', 'score': 0.9885, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10685', 'display_name': 'Viral-Related Cancers in Immunocompromised Patients', 'score': 0.9863, 'subfield': {'id': 'https://openalex.org/subfields/2730', 'display_name': 'Oncology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/value', 'display_name': 'Value (mathematics)', 'score': 0.6360871}, {'id': 'https://openalex.org/keywords/intrahepatic-cholangiocarcinoma', 'display_name': 'Intrahepatic Cholangiocarcinoma', 'score': 0.513712}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9350866}, {'id': 'https://openalex.org/C2776291640', 'wikidata': 'https://www.wikidata.org/wiki/Q2912517', 'display_name': 'Value (mathematics)', 'level': 2, 'score': 0.6360871}, {'id': 'https://openalex.org/C2776502983', 'wikidata': 'https://www.wikidata.org/wiki/Q690182', 'display_name': 'Contrast (vision)', 'level': 2, 'score': 0.59420085}, {'id': 'https://openalex.org/C46762472', 'wikidata': 'https://www.wikidata.org/wiki/Q178648', 'display_name': 'Peripheral', 'level': 2, 'score': 0.5901688}, {'id': 'https://openalex.org/C126838900', 'wikidata': 'https://www.wikidata.org/wiki/Q77604', 'display_name': 'Radiology', 'level': 1, 'score': 0.5539113}, {'id': 'https://openalex.org/C2909135397', 'wikidata': 'https://www.wikidata.org/wiki/Q124292', 'display_name': 'Intrahepatic Cholangiocarcinoma', 'level': 2, 'score': 0.49229658}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.3083098}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.19886106}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C119857082', 'wikidata': 'https://www.wikidata.org/wiki/Q2539', 'display_name': 'Machine learning', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D001650', 'descriptor_name': 'Bile Duct Neoplasms', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D001653', 'descriptor_name': 'Bile Ducts, Intrahepatic', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D018281', 'descriptor_name': 'Cholangiocarcinoma', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D003287', 'descriptor_name': 'Contrast Media', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D010743', 'descriptor_name': 'Phospholipids', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D013459', 'descriptor_name': 'Sulfur Hexafluoride', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001650', 'descriptor_name': 'Bile Duct Neoplasms', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001653', 'descriptor_name': 'Bile Ducts, Intrahepatic', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D018281', 'descriptor_name': 'Cholangiocarcinoma', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012189', 'descriptor_name': 'Retrospective Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014463', 'descriptor_name': 'Ultrasonography', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}, {'descriptor_ui': 'D014463', 'descriptor_name': 'Ultrasonography', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/jcu.20797', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S35103199', 'display_name': 'Journal of Clinical Ultrasound', 'issn_l': '0091-2751', 'issn': ['0091-2751', '1097-0096'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/21626512', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.57, 'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 25, 'referenced_works': ['https://openalex.org/W1974676973', 'https://openalex.org/W1975466705', 'https://openalex.org/W1993180801', 'https://openalex.org/W2018368189', 'https://openalex.org/W2024277998', 'https://openalex.org/W2037041519', 'https://openalex.org/W2037800325', 'https://openalex.org/W2043986434', 'https://openalex.org/W2074814047', 'https://openalex.org/W2077350433', 'https://openalex.org/W2084518926', 'https://openalex.org/W2093581360', 'https://openalex.org/W2094780681', 'https://openalex.org/W2108910734', 'https://openalex.org/W2112042876', 'https://openalex.org/W2116519254', 'https://openalex.org/W2117777547', 'https://openalex.org/W2130207143', 'https://openalex.org/W2132441369', 'https://openalex.org/W2134866540', 'https://openalex.org/W2139285965', 'https://openalex.org/W2152680142', 'https://openalex.org/W2154160168', 'https://openalex.org/W2188133265', 'https://openalex.org/W3152368110'], 'related_works': ['https://openalex.org/W4386800154', 'https://openalex.org/W4313567692', 'https://openalex.org/W3032699319', 'https://openalex.org/W2566624910', 'https://openalex.org/W2363964973', 'https://openalex.org/W2347479114', 'https://openalex.org/W2327905510', 'https://openalex.org/W2082395821', 'https://openalex.org/W2075740387', 'https://openalex.org/W2069592018'], 'abstract_inverted_index': {'Abstract': [0], 'Background:': [1], 'To': [2], 'illustrate': [3], 'contrast‐enhanced': [4], 'harmonic': [5], 'ultrasonography': [6], '(CEUS)': [7], 'findings': [8, 214], 'of': [9, 19, 24, 34, 77, 91, 102, 106, 167, 174, 184, 194, 201, 221], 'peripheral': [10], 'intrahepatic': [11], 'cholangiocarcinoma': [12], '(PICC)': [13], 'and': [14, 48, 74, 82, 155, 171], 'to': [15], 'assess': [16], 'the': [17, 22, 78, 83, 92, 98, 104, 115, 126, 142, 147, 175, 195, 219], 'usefulness': [18], 'CEUS': [20, 47, 197, 209], 'in': [21, 141, 218], 'diagnosis': [23, 220], 'this': [25], 'disease.': [26], 'Methods:': [27], 'This': [28], 'study': [29], 'is': [30], 'a': [31], 'retrospective': [32], 'analysis': [33], '46': [35], 'patients': [36], '(20': [37], 'men,': [38], '26': [39], 'women)': [40], 'with': [41, 55, 59, 114], 'PICC': [42, 107], 'who': [43], 'underwent': [44], 'both': [45], 'preoperative': [46], 'pathologic': [49], 'examination.': [50], 'Sonographic': [51], 'examinations': [52], 'were': [53, 80, 86, 131, 138, 181], 'performed': [54], 'sonographic': [56], 'instruments': [57], 'equipped': [58], 'low': [60], 'mechanical': [61], 'index': [62], 'contrast': [63, 67, 176, 192], 'imaging': [64], 'software.': [65], 'The': [66, 72], 'agent': [68, 177], 'SonoVue': [69], 'was': [70, 178], 'used.': [71], 'wash‐in': [73], 'wash‐out': [75], 'features': [76], 'lesions': [79, 108, 120, 130], 'documented': [81], 'enhancement': [84, 154, 189, 193], 'patterns': [85], 'analyzed': [87], 'by': [88], 'visual': [89], 'inspection': [90], 'real‐time': [93], 'cine': [94], 'loops.': [95], 'Results:': [96], 'During': [97], 'hepatic': [99], 'arterial': [100], 'phase': [101], 'CEUS,': [103], 'majority': [105], '(43/46,': [109], '93.5%)': [110], 'showed': [111, 123, 152, 158], 'hypervascularity': [112], 'compared': [113], 'liver': [116], 'parenchyma,': [117], 'whereas': [118], 'three': [119], '(3/46,': [121], '6.5%)': [122], 'hypovascularity.': [124], 'In': [125, 164], 'portal': [127], 'phases,': [128], 'all': [129, 139, 146], 'either': [132], 'isoechoic': [133], 'or': [134, 160], 'hypoechoic,': [135], 'while': [136], 'they': [137], 'hypoechoic': [140], 'late': [143], 'phase.': [144], 'Of': [145], 'hypervascular': [148, 185], 'lesions,': [149], '48.8%': [150], '(21/43)': [151], 'diffuse': [153], '51.2%': [156], '(22/43)': [157], 'rim‐like': [159, 162], 'thick,': [161], 'enhancement.': [163], '62.8%': [165], '(27/43)': [166], 'cases,': [168], 'progressive': [169], 'dendritic': [170], 'centripetal': [172], 'fill‐in': [173], 'observed.': [179], 'There': [180], '83.7%': [182], '(36/43)': [183], 'nodules': [186], 'showing': [187], 'heterogeneous': [188], 'during': [190], 'peak': [191], 'lesions.': [196], 'provided': [198], 'clearer': [199], 'visualization': [200], 'lesion': [202], 'margins': [203], 'than': [204], 'did': [205], 'conventional': [206], 'sonography.': [207], 'Conclusions:': [208], 'examination': [210], 'yields': [211], 'some': [212], 'specific': [213], 'that': [215], 'are': [216], 'useful': [217], 'PICC.': [222], '©': [223], 'Wiley': [224], 'Periodicals,': [225], 'Inc.': [226], 'J': [227], 'Clin': [228], 'Ultrasound': [229], '2011': [230]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1972800286', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 4}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-08-13T00:11:52.169002', 'created_date': '2016-06-24'}