Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2474034663', 'doi': 'https://doi.org/10.11641/pde.88.1_132', 'title': 'A case of severe anemia which lead to the detection of malignant melanoma metastasis to the gastrointestinal tract', 'display_name': 'A case of severe anemia which lead to the detection of malignant melanoma metastasis to the gastrointestinal tract', 'publication_year': 2016, 'publication_date': '2016-01-01', 'ids': {'openalex': 'https://openalex.org/W2474034663', 'doi': 'https://doi.org/10.11641/pde.88.1_132', 'mag': '2474034663'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.11641/pde.88.1_132', 'pdf_url': 'https://www.jstage.jst.go.jp/article/pde/88/1/88_132/_pdf', 'source': {'id': 'https://openalex.org/S4210200031', 'display_name': 'Progress of Digestive Endoscopy', 'issn_l': '1348-9844', 'issn': ['1348-9844', '2187-4999'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://www.jstage.jst.go.jp/article/pde/88/1/88_132/_pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5018696808', 'display_name': 'Ryutaro Aoyagi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Ryutaro Aoyagi', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5112416749', 'display_name': 'Minoru Yamaoka', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Minoru Yamaoka', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5017984473', 'display_name': 'Hideki Ohgo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hideki Ohgo', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5047225190', 'display_name': 'Keigo Ashitani', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Keigo Ashitani', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111877647', 'display_name': 'Takaya Ichimura', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Takaya Ichimura', 'raw_affiliation_strings': ['Department of Pathology, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086592454', 'display_name': 'Kento Yamada', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Kento Yamada', 'raw_affiliation_strings': ['Department of Pathology, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5113719721', 'display_name': 'Mitsuhiko Nakamura', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Mitsuhiko Nakamura', 'raw_affiliation_strings': ['Department of Head and neck tumor, Saitama Medical University International Medical Center'], 'affiliations': [{'raw_affiliation_string': 'Department of Head and neck tumor, Saitama Medical University International Medical Center', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5074763606', 'display_name': 'Yumiko Teramoto', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yumiko Teramoto', 'raw_affiliation_strings': ['Dermatology, Saitama Medical University International Medical Center'], 'affiliations': [{'raw_affiliation_string': 'Dermatology, Saitama Medical University International Medical Center', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5110426749', 'display_name': 'Masayoshi Hashimoto', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masayoshi Hashimoto', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5112842333', 'display_name': 'Yoshitaka Miyakawa', 'orcid': 'https://orcid.org/0000-0002-4429-7227'}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yoshitaka Miyakawa', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086629255', 'display_name': 'Keiji Yamamoto', 'orcid': 'https://orcid.org/0000-0002-2800-2329'}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Keiji Yamamoto', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5016397296', 'display_name': 'Hidetomo Nakamoto', 'orcid': 'https://orcid.org/0000-0003-3975-5067'}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hidetomo Nakamoto', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5034909752', 'display_name': 'Hiroyuki Imaeda', 'orcid': 'https://orcid.org/0000-0003-0898-6540'}, 'institutions': [{'id': 'https://openalex.org/I8588240', 'display_name': 'Saitama Medical University', 'ror': 'https://ror.org/04zb31v77', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I8588240']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hiroyuki Imaeda', 'raw_affiliation_strings': ['Department of General Internal Medicine, Saitama Medical University'], 'affiliations': [{'raw_affiliation_string': 'Department of General Internal Medicine, Saitama Medical University', 'institution_ids': ['https://openalex.org/I8588240']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.465415, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 66, 'max': 73}, 'biblio': {'volume': '88', 'issue': '1', 'first_page': '132', 'last_page': '133'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10392', 'display_name': 'Cutaneous Melanoma Detection and Management', 'score': 0.9998, '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'}}, 'topics': [{'id': 'https://openalex.org/T10392', 'display_name': 'Cutaneous Melanoma Detection and Management', 'score': 0.9998, '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'}}, {'id': 'https://openalex.org/T11533', 'display_name': 'Melanoma and MAPK Pathways', 'score': 0.9773, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T11346', 'display_name': 'Mast cells and histamine', 'score': 0.9687, 'subfield': {'id': 'https://openalex.org/subfields/2403', 'display_name': 'Immunology'}, 'field': {'id': 'https://openalex.org/fields/24', 'display_name': 'Immunology and Microbiology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C2780512811', 'wikidata': 'https://www.wikidata.org/wiki/Q11829360', 'display_name': 'Gastrointestinal tract', 'level': 2, 'score': 0.8201479}, {'id': 'https://openalex.org/C2777658100', 'wikidata': 'https://www.wikidata.org/wiki/Q180614', 'display_name': 'Melanoma', 'level': 2, 'score': 0.7096566}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.6400536}, {'id': 'https://openalex.org/C2779013556', 'wikidata': 'https://www.wikidata.org/wiki/Q181876', 'display_name': 'Metastasis', 'level': 3, 'score': 0.5347364}, {'id': 'https://openalex.org/C2778248108', 'wikidata': 'https://www.wikidata.org/wiki/Q5445', 'display_name': 'Anemia', 'level': 2, 'score': 0.5296262}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.3189571}, {'id': 'https://openalex.org/C121608353', 'wikidata': 'https://www.wikidata.org/wiki/Q12078', 'display_name': 'Cancer', 'level': 2, 'score': 0.30273643}, {'id': 'https://openalex.org/C502942594', 'wikidata': 'https://www.wikidata.org/wiki/Q3421914', 'display_name': 'Cancer research', 'level': 1, 'score': 0.28871146}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.11641/pde.88.1_132', 'pdf_url': 'https://www.jstage.jst.go.jp/article/pde/88/1/88_132/_pdf', 'source': {'id': 'https://openalex.org/S4210200031', 'display_name': 'Progress of Digestive Endoscopy', 'issn_l': '1348-9844', 'issn': ['1348-9844', '2187-4999'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.11641/pde.88.1_132', 'pdf_url': 'https://www.jstage.jst.go.jp/article/pde/88/1/88_132/_pdf', 'source': {'id': 'https://openalex.org/S4210200031', 'display_name': 'Progress of Digestive Endoscopy', 'issn_l': '1348-9844', 'issn': ['1348-9844', '2187-4999'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'score': 0.62, 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 6, 'referenced_works': ['https://openalex.org/W129007473', 'https://openalex.org/W1996049617', 'https://openalex.org/W2044208648', 'https://openalex.org/W2065626916', 'https://openalex.org/W2413053329', 'https://openalex.org/W4206701488'], 'related_works': ['https://openalex.org/W4248678482', 'https://openalex.org/W4206701488', 'https://openalex.org/W2964433561', 'https://openalex.org/W2325968267', 'https://openalex.org/W2171435634', 'https://openalex.org/W2159897971', 'https://openalex.org/W2079772486', 'https://openalex.org/W2079364398', 'https://openalex.org/W2066581032', 'https://openalex.org/W1991879524'], 'abstract_inverted_index': {'The': [0], '77-year-old': [1], 'men': [2], 'underwent': [3, 26], 'resection': [4], 'for': [5], 'the': [6, 10, 70, 90, 94, 127, 152, 156, 176, 179], 'malignant': [7, 104, 113, 135, 167], 'melanoma': [8, 105, 116, 136, 168], 'of': [9, 34, 69, 103, 112, 132, 178], 'right': [11], 'buccal': [12], 'region.': [13], 'Six': [14], 'months': [15], 'later,': [16, 30], 'it': [17, 171], 'recurred': [18], 'in': [19, 78, 93, 125], 'a': [20, 74, 110, 146, 166, 183], 'cervical': [21], 'lymph': [22], 'node': [23], 'and': [24, 41, 96, 109, 170, 182], 'he': [25, 31], 'lymphadenectomy.': [27], 'One': [28], 'year': [29], 'was': [32, 55], 'complained': [33], 'left': [35, 79], 'lower': [36], 'quadrant': [37], 'pain,': [38], 'appetite': [39], 'loss': [40], 'weight': [42], 'loss.': [43], 'He': [44, 54], 'consulted': [45], 'neighboring': [46], 'doctor’s': [47], 'office.': [48], 'A': [49], 'blood': [50], 'test': [51], 'revealed': [52], 'anemia.': [53], 'admitted': [56], 'to': [57, 60, 73, 89, 142, 155, 174], 'our': [58], 'hospital': [59], 'undergo': [61], 'treatment.': [62], 'Contrast': [63], 'enhanced': [64], 'abdominal': [65], 'CT': [66], 'showed': [67, 86], 'expansion': [68], 'proximal': [71, 97], 'jejunum': [72], 'diameter': [75], '63×60mm': [76], 'size': [77], 'kidney': [80], 'ventral': [81], 'aspect.': [82], 'Double': [83], 'balloon': [84], 'endoscopy': [85], 'lesions': [87], 'similar': [88, 154], 'submucosal': [91, 157], 'tumor': [92, 158], 'duodenum': [95], 'jejunum.': [98], 'We': [99], 'diagnosed': [100], 'gastrointestinal': [101, 121, 143], 'metastasis': [102, 122], 'from': [106], 'histopathology': [107], 'findings': [108], 'history': [111, 181], 'melanoma.': [114], 'Malignant': [115], 'has': [117], 'few': [118], 'cases': [119], 'that': [120], 'is': [123, 172], 'found': [124], 'during': [126], 'life': [128], 'time.': [129], 'Approximately': [130], 'half': [131], 'patients': [133], 'with': [134], 'who': [137], 'held': [138], 'an': [139], 'autopsy': [140], 'metastasized': [141], 'tract': [144], 'particularly': [145], 'small': [147], 'intestine.': [148], 'When': [149], 'we': [150, 163], 'detected': [151], 'lesion': [153], 'occurring': [159], 'frequently': [160], 'at': [161], 'endoscopy,': [162], 'think': [164], 'about': [165], 'first,': [169], 'necessary': [173], 'perform': [175], 'hearing': [177], 'medical': [180], 'pathological': [184], 'search.': [185]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2474034663', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}], 'updated_date': '2024-12-13T11:47:31.275467', 'created_date': '2016-07-22'}