{"id":"https://openalex.org/W2398468554","doi":null,"title":"Microscopic polyangiitis presenting with painless anal bleeding","display_name":"Microscopic polyangiitis presenting with painless anal bleeding","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2398468554","mag":"2398468554"},"language":"en","primary_location":{"id":"mag:2398468554","doi":null,"is_oa":true,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=DHNGBV_2009_v77nsup5_1337","pdf_url":null,"source":{"id":"https://openalex.org/S162267923","display_name":"The Korean Journal of Internal Medicine","issn_l":"1226-3303","issn":["1226-3303","2005-6648"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","kci-registered","medline","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320408","host_organization_name":"Korean Association of Internal Medicine","host_organization_lineage":["https://openalex.org/P4310320408"],"host_organization_lineage_names":["Korean Association of Internal Medicine"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Korean Journal of Internal Medicine","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=DHNGBV_2009_v77nsup5_1337","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103678109","display_name":"Seung Woo Han","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Seung Woo Han","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047107734","display_name":"Hyuck Yong Kwon","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hyuck Yong Kwon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Jong Kyu Kwon","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jong Kyu Kwon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076545692","display_name":"Jin Woo Choi","orcid":"https://orcid.org/0000-0002-0716-5137","observed_orcids":["https://orcid.org/0000-0002-0716-5137"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jin Woo Choi","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-0716-5137","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084004285","display_name":"Kyung Sook Lee","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kyung Sook Lee","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113698392","display_name":"Kyung Rak Sohn","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kyung Rak Sohn","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5004875242","display_name":"Gun Woo Kim","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gun Woo Kim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":500,"currency":"USD","value_usd":500},"apc_paid":{"value":500,"currency":"USD","value_usd":500},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.37069937,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"77","issue":null,"first_page":"1337","last_page":"1341"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10697","display_name":"Vasculitis and related conditions","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10697","display_name":"Vasculitis and related conditions","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T11029","display_name":"Renal Diseases and Glomerulopathies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T11735","display_name":"Peripheral Neuropathies and Disorders","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/microscopic-polyangiitis","display_name":"microscopic polyangiitis","score":1.0},{"id":"https://openalex.org/keywords/anal-bleeding","display_name":"anal bleeding","score":0.7139999866485596},{"id":"https://openalex.org/keywords/gastrointestinal-vasculitis","display_name":"gastrointestinal vasculitis","score":0.8240000009536743},{"id":"https://openalex.org/keywords/small-vessel-vasculitis","display_name":"small vessel vasculitis","score":0.8899999856948853},{"id":"https://openalex.org/keywords/necrotizing-glomerulonephritis","display_name":"necrotizing glomerulonephritis","score":0.8820000290870667},{"id":"https://openalex.org/keywords/fibrinoid-necrosis","display_name":"fibrinoid necrosis","score":0.8849999904632568},{"id":"https://openalex.org/keywords/tubular-atrophy","display_name":"tubular atrophy","score":0.8510000109672546}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.979445219039917},{"id":"https://openalex.org/C2778910314","wikidata":"https://www.wikidata.org/wiki/Q1934069","display_name":"Microscopic polyangiitis","level":4,"score":0.8934279680252075},{"id":"https://openalex.org/C2910234489","wikidata":"https://www.wikidata.org/wiki/Q7663822","display_name":"Necrotizing Vasculitis","level":4,"score":0.6791861653327942},{"id":"https://openalex.org/C2781082648","wikidata":"https://www.wikidata.org/wiki/Q3502951","display_name":"Fibrinoid necrosis","level":4,"score":0.6518921852111816},{"id":"https://openalex.org/C2781229154","wikidata":"https://www.wikidata.org/wiki/Q1161568","display_name":"Granulomatosis with polyangiitis","level":4,"score":0.5856608152389526},{"id":"https://openalex.org/C2776015282","wikidata":"https://www.wikidata.org/wiki/Q644318","display_name":"Vasculitis","level":3,"score":0.5777217745780945},{"id":"https://openalex.org/C2779973185","wikidata":"https://www.wikidata.org/wiki/Q497","display_name":"Anus","level":2,"score":0.4798711836338043},{"id":"https://openalex.org/C2780955771","wikidata":"https://www.wikidata.org/wiki/Q183425","display_name":"Abdominal pain","level":2,"score":0.4579874277114868},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.42777976393699646},{"id":"https://openalex.org/C2775934546","wikidata":"https://www.wikidata.org/wiki/Q179991","display_name":"Biopsy","level":2,"score":0.41699138283729553},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.32022377848625183},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.06615030765533447}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2398468554","doi":null,"is_oa":true,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=DHNGBV_2009_v77nsup5_1337","pdf_url":null,"source":{"id":"https://openalex.org/S162267923","display_name":"The Korean Journal of Internal Medicine","issn_l":"1226-3303","issn":["1226-3303","2005-6648"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","kci-registered","medline","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320408","host_organization_name":"Korean Association of Internal Medicine","host_organization_lineage":["https://openalex.org/P4310320408"],"host_organization_lineage_names":["Korean Association of Internal Medicine"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Korean Journal of Internal Medicine","raw_type":null}],"best_oa_location":{"id":"mag:2398468554","doi":null,"is_oa":true,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=DHNGBV_2009_v77nsup5_1337","pdf_url":null,"source":{"id":"https://openalex.org/S162267923","display_name":"The Korean Journal of Internal Medicine","issn_l":"1226-3303","issn":["1226-3303","2005-6648"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","kci-registered","medline","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320408","host_organization_name":"Korean Association of Internal Medicine","host_organization_lineage":["https://openalex.org/P4310320408"],"host_organization_lineage_names":["Korean Association of Internal Medicine"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Korean Journal of Internal Medicine","raw_type":null},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9940000176429749}],"study_designs":[{"display_name":"Case Report","id":"https://openalex.org/study-designs/case-report"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1968461987","https://openalex.org/W1969171525","https://openalex.org/W1978173837","https://openalex.org/W1982214068","https://openalex.org/W2006623694","https://openalex.org/W2015389363","https://openalex.org/W2052625239","https://openalex.org/W2054755941","https://openalex.org/W2056443621","https://openalex.org/W2077943587","https://openalex.org/W2079564435","https://openalex.org/W2127954239","https://openalex.org/W2141225393","https://openalex.org/W2264075806","https://openalex.org/W2317111303","https://openalex.org/W2410887366"],"related_works":["https://openalex.org/W2485282508","https://openalex.org/W2079564435","https://openalex.org/W1982214068","https://openalex.org/W2977423364","https://openalex.org/W1480403263","https://openalex.org/W6992876158","https://openalex.org/W4296931880","https://openalex.org/W2077943587","https://openalex.org/W1970641341","https://openalex.org/W2069887377"],"abstract_inverted_index":{"Microscopic":[0],"polyangiitis":[1],"(MPA)":[2],"is":[3,8,16,40,50,100],"a":[4,54],"systemic":[5],"vasculitis":[6,79],"that":[7,58],"characterized":[9],"by":[10],"small-vessel":[11],"involvement":[12,107],"histologically.":[13],"Although":[14],"MPA":[15,39,57],"primarily":[17],"associated":[18],"with":[19,60,83,93],"necrotizing":[20,91],"and":[21,24,86],"crescentic":[22],"glomerulonephritis":[23,92],"pulmonary":[25],"capillaritis,":[26],"it":[27],"often":[28],"has":[29],"gastrointestinal":[30],"(GI)":[31],"involvement.":[32],"The":[33,72],"most":[34],"frequent":[35],"GI":[36,48],"symptom":[37],"in":[38,108],"abdominal":[41],"pain":[42],"of":[43,56,75,80,105],"an":[44,69],"ischemic":[45],"nature,":[46],"while":[47],"bleeding":[49],"rare.":[51],"We":[52],"report":[53],"case":[55,104],"presented":[59],"painless":[61],"anal":[62,106],"bleeding,":[63],"which":[64],"was":[65],"initially":[66],"misdiagnosed":[67],"as":[68],"internal":[70],"hemorrhoid.":[71],"surgical":[73],"specimen":[74],"the":[76,87,101],"anus":[77],"showed":[78,90],"small":[81],"arteries":[82],"fibrinoid":[84],"necrosis":[85],"renal":[88],"biopsy":[89],"tubular":[94],"atrophy.":[95],"To":[96],"our":[97],"knowledge,":[98],"this":[99],"first":[102],"reported":[103],"MPA.":[109],"(Korean":[110],"J":[111],"Med":[112],"77:S1337-S1341,":[113],"2009)":[114]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
