Adenomyomas of the Gallbladder: An Analysis of Frequency, Clinicopathologic Associations, and Relationship to Carcinoma of a Malformative Lesion

The nature and associations of gallbladder (GB) "adenomyoma" (AM) remain controversial. Some studies have attributed up to 26% of GB carcinoma to AMs. To examine the true frequency, clinicopathologic characteristics, and neoplastic changes in GB AM. Cholecystectomy cohorts analyzed were 19...

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Veröffentlicht in:Archives of pathology & laboratory medicine (1976) 2024-02, Vol.148 (2), p.206-214
Hauptverfasser: Dursun, Nevra, Memis, Bahar, Pehlivanoglu, Burcin, Taskin, Orhun Cig, Okcu, Oguzhan, Akkas, Gizem, Bagci, Pelin, Balci, Serdar, Saka, Burcu, Araya, Juan Carlos, Bellolio, Enrique, Roa, Juan Carlos, Jang, Kee-Taek, Losada, Hector, Maithel, Shishir K, Sarmiento, Juan, Reid, Michelle D, Jang, Jin-Young, Cheng, Jeanette D, Basturk, Olca, Koshiol, Jill, Adsay, N Volkan
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container_issue 2
container_start_page 206
container_title Archives of pathology & laboratory medicine (1976)
container_volume 148
creator Dursun, Nevra
Memis, Bahar
Pehlivanoglu, Burcin
Taskin, Orhun Cig
Okcu, Oguzhan
Akkas, Gizem
Bagci, Pelin
Balci, Serdar
Saka, Burcu
Araya, Juan Carlos
Bellolio, Enrique
Roa, Juan Carlos
Jang, Kee-Taek
Losada, Hector
Maithel, Shishir K
Sarmiento, Juan
Reid, Michelle D
Jang, Jin-Young
Cheng, Jeanette D
Basturk, Olca
Koshiol, Jill
Adsay, N Volkan
description The nature and associations of gallbladder (GB) "adenomyoma" (AM) remain controversial. Some studies have attributed up to 26% of GB carcinoma to AMs. To examine the true frequency, clinicopathologic characteristics, and neoplastic changes in GB AM. Cholecystectomy cohorts analyzed were 1953 consecutive cases, prospectively with specific attention to AM; 2347 consecutive archival cases; 203 totally embedded GBs; 207 GBs with carcinoma; and archival search of institutions for all cases diagnosed as AM. Frequency of AM was 9.3% (19 of 203) in totally submitted cases but 3.3% (77 of 2347) in routinely sampled archival tissue. A total of 283 AMs were identified, with a female to male ratio = 1.9 (177:94) and mean size = 1.3 cm (range, 0.3-5.9). Most (96%, 203 of 210) were fundic, with formed nodular trabeculated submucosal thickening, and were difficult to appreciate from the mucosal surface. Four of 257 were multifocal (1.6%), and 3 of 257 (1.2%) were extensive ("adenomyomatosis"). Dilated glands (up to 14 mm), often radially converging to a point in the mucosa, were typical. Muscle was often minimal, confined to the upper segment. Nine of 225 (4%) revealed features of a duplication. No specific associations with inflammation, cholesterolosis, intestinal metaplasia, or thickening of the uninvolved GB wall were identified. Neoplastic change arising in AM was seen in 9.9% (28 of 283). Sixteen of 283 (5.6%) had mural intracholecystic neoplasm; 7 of 283 (2.5%) had flat-type high-grade dysplasia/carcinoma in situ. Thirteen of 283 cases had both AM and invasive carcinoma (4.6%), but in only 5 of 283 (1.8%), carcinoma arose from AM (invasion was confined to AM, and dysplasia was predominantly in AM). AMs have all the features of a malformative developmental lesion, and may not show a significant muscle component (ie, the name "adeno-myoma" is partly a misnomer). While most are innocuous, some pathologies may arise in AMs, including intracholecystic neoplasms, flat-type high-grade dysplasia or carcinoma in situ, and invasive carcinoma (1.8%, 5 of 283). It is recommended that gross examination of GBs include serial slicing of the fundus for AM detection and total submission if one is found.
doi_str_mv 10.5858/arpa.2022-0379-OA
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Some studies have attributed up to 26% of GB carcinoma to AMs. To examine the true frequency, clinicopathologic characteristics, and neoplastic changes in GB AM. Cholecystectomy cohorts analyzed were 1953 consecutive cases, prospectively with specific attention to AM; 2347 consecutive archival cases; 203 totally embedded GBs; 207 GBs with carcinoma; and archival search of institutions for all cases diagnosed as AM. Frequency of AM was 9.3% (19 of 203) in totally submitted cases but 3.3% (77 of 2347) in routinely sampled archival tissue. A total of 283 AMs were identified, with a female to male ratio = 1.9 (177:94) and mean size = 1.3 cm (range, 0.3-5.9). Most (96%, 203 of 210) were fundic, with formed nodular trabeculated submucosal thickening, and were difficult to appreciate from the mucosal surface. Four of 257 were multifocal (1.6%), and 3 of 257 (1.2%) were extensive ("adenomyomatosis"). Dilated glands (up to 14 mm), often radially converging to a point in the mucosa, were typical. Muscle was often minimal, confined to the upper segment. Nine of 225 (4%) revealed features of a duplication. No specific associations with inflammation, cholesterolosis, intestinal metaplasia, or thickening of the uninvolved GB wall were identified. Neoplastic change arising in AM was seen in 9.9% (28 of 283). Sixteen of 283 (5.6%) had mural intracholecystic neoplasm; 7 of 283 (2.5%) had flat-type high-grade dysplasia/carcinoma in situ. Thirteen of 283 cases had both AM and invasive carcinoma (4.6%), but in only 5 of 283 (1.8%), carcinoma arose from AM (invasion was confined to AM, and dysplasia was predominantly in AM). AMs have all the features of a malformative developmental lesion, and may not show a significant muscle component (ie, the name "adeno-myoma" is partly a misnomer). While most are innocuous, some pathologies may arise in AMs, including intracholecystic neoplasms, flat-type high-grade dysplasia or carcinoma in situ, and invasive carcinoma (1.8%, 5 of 283). 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Some studies have attributed up to 26% of GB carcinoma to AMs. To examine the true frequency, clinicopathologic characteristics, and neoplastic changes in GB AM. Cholecystectomy cohorts analyzed were 1953 consecutive cases, prospectively with specific attention to AM; 2347 consecutive archival cases; 203 totally embedded GBs; 207 GBs with carcinoma; and archival search of institutions for all cases diagnosed as AM. Frequency of AM was 9.3% (19 of 203) in totally submitted cases but 3.3% (77 of 2347) in routinely sampled archival tissue. A total of 283 AMs were identified, with a female to male ratio = 1.9 (177:94) and mean size = 1.3 cm (range, 0.3-5.9). Most (96%, 203 of 210) were fundic, with formed nodular trabeculated submucosal thickening, and were difficult to appreciate from the mucosal surface. Four of 257 were multifocal (1.6%), and 3 of 257 (1.2%) were extensive ("adenomyomatosis"). Dilated glands (up to 14 mm), often radially converging to a point in the mucosa, were typical. Muscle was often minimal, confined to the upper segment. Nine of 225 (4%) revealed features of a duplication. No specific associations with inflammation, cholesterolosis, intestinal metaplasia, or thickening of the uninvolved GB wall were identified. Neoplastic change arising in AM was seen in 9.9% (28 of 283). Sixteen of 283 (5.6%) had mural intracholecystic neoplasm; 7 of 283 (2.5%) had flat-type high-grade dysplasia/carcinoma in situ. Thirteen of 283 cases had both AM and invasive carcinoma (4.6%), but in only 5 of 283 (1.8%), carcinoma arose from AM (invasion was confined to AM, and dysplasia was predominantly in AM). AMs have all the features of a malformative developmental lesion, and may not show a significant muscle component (ie, the name "adeno-myoma" is partly a misnomer). While most are innocuous, some pathologies may arise in AMs, including intracholecystic neoplasms, flat-type high-grade dysplasia or carcinoma in situ, and invasive carcinoma (1.8%, 5 of 283). It is recommended that gross examination of GBs include serial slicing of the fundus for AM detection and total submission if one is found.</description><subject>Analysis</subject><subject>Cancer</subject><subject>Care and treatment</subject><subject>Cholecystectomy</subject><subject>Cholecystitis</subject><subject>Clinical pathology</subject><subject>Diagnosis</subject><subject>Females</subject><subject>Gallbladder</subject><subject>Gallbladder cancer</subject><subject>Gallbladder diseases</subject><subject>Kruskal-Wallis test</subject><subject>Localization</subject><subject>Normal distribution</subject><subject>Patient outcomes</subject><subject>Statistical analysis</subject><subject>Tumors</subject><subject>Variables</subject><subject>Variance analysis</subject><issn>0003-9985</issn><issn>1543-2165</issn><issn>1543-2165</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNptkl1r2zAUhsVYWdNuP2A3QzDYVZ3pw_LH7kxou0FGYGzX4kSWYhXZ8iRnkH_Rn1y56bYWggTiSM97xHt4EXpPyVJUovoMYYQlI4xlhJd1tmleoQUVOc8YLcRrtCCE8KyuK3GOLmK8S2XNGH2DznlJec6YWKD7ptWD7w--h4i9wVOn8S04t3XQtjp8wc2QNrhDtI_vN0H_3utBHa7wytnBKj_C1Hnnd1bhJkavLEzWD_EKw9DiH9ody86OePJ4BUHZ9B_MvQB_B2d86BPyR-O1jol8i84MuKjfPZ2X6NfN9c_V12y9uf22ataZyksxZVokJ7TmiokCFMtJaXhZbltTEDC6qrYkZ6oyouIFLQqa89YQU9PcsLpUXDB-iT4e-47BJ0dxknd-H5LTKFnNqiJnvBD_qR04Le1g_BRA9TYq2ZSVYKSktEhUdoLa6UEHcH7QxqbrF_zyBJ9Wq_s00VOCT88EnQY3ddG7_eNoX4L0CKrgYwzayDHYHsJBUiLnzMg5M3LOjJwzIzdN0nx4msR-2-v2n-JvSPgDytm7ow</recordid><startdate>20240201</startdate><enddate>20240201</enddate><creator>Dursun, Nevra</creator><creator>Memis, Bahar</creator><creator>Pehlivanoglu, Burcin</creator><creator>Taskin, Orhun Cig</creator><creator>Okcu, Oguzhan</creator><creator>Akkas, Gizem</creator><creator>Bagci, Pelin</creator><creator>Balci, Serdar</creator><creator>Saka, Burcu</creator><creator>Araya, Juan Carlos</creator><creator>Bellolio, Enrique</creator><creator>Roa, Juan Carlos</creator><creator>Jang, Kee-Taek</creator><creator>Losada, Hector</creator><creator>Maithel, Shishir K</creator><creator>Sarmiento, Juan</creator><creator>Reid, Michelle D</creator><creator>Jang, Jin-Young</creator><creator>Cheng, Jeanette D</creator><creator>Basturk, Olca</creator><creator>Koshiol, Jill</creator><creator>Adsay, N Volkan</creator><general>College of American Pathologists</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope></search><sort><creationdate>20240201</creationdate><title>Adenomyomas of the Gallbladder: An Analysis of Frequency, Clinicopathologic Associations, and Relationship to Carcinoma of a Malformative Lesion</title><author>Dursun, Nevra ; 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laboratory medicine (1976)</jtitle><addtitle>Arch Pathol Lab Med</addtitle><date>2024-02-01</date><risdate>2024</risdate><volume>148</volume><issue>2</issue><spage>206</spage><epage>214</epage><pages>206-214</pages><issn>0003-9985</issn><issn>1543-2165</issn><eissn>1543-2165</eissn><abstract>The nature and associations of gallbladder (GB) "adenomyoma" (AM) remain controversial. Some studies have attributed up to 26% of GB carcinoma to AMs. To examine the true frequency, clinicopathologic characteristics, and neoplastic changes in GB AM. Cholecystectomy cohorts analyzed were 1953 consecutive cases, prospectively with specific attention to AM; 2347 consecutive archival cases; 203 totally embedded GBs; 207 GBs with carcinoma; and archival search of institutions for all cases diagnosed as AM. Frequency of AM was 9.3% (19 of 203) in totally submitted cases but 3.3% (77 of 2347) in routinely sampled archival tissue. A total of 283 AMs were identified, with a female to male ratio = 1.9 (177:94) and mean size = 1.3 cm (range, 0.3-5.9). Most (96%, 203 of 210) were fundic, with formed nodular trabeculated submucosal thickening, and were difficult to appreciate from the mucosal surface. Four of 257 were multifocal (1.6%), and 3 of 257 (1.2%) were extensive ("adenomyomatosis"). Dilated glands (up to 14 mm), often radially converging to a point in the mucosa, were typical. Muscle was often minimal, confined to the upper segment. Nine of 225 (4%) revealed features of a duplication. No specific associations with inflammation, cholesterolosis, intestinal metaplasia, or thickening of the uninvolved GB wall were identified. Neoplastic change arising in AM was seen in 9.9% (28 of 283). Sixteen of 283 (5.6%) had mural intracholecystic neoplasm; 7 of 283 (2.5%) had flat-type high-grade dysplasia/carcinoma in situ. Thirteen of 283 cases had both AM and invasive carcinoma (4.6%), but in only 5 of 283 (1.8%), carcinoma arose from AM (invasion was confined to AM, and dysplasia was predominantly in AM). AMs have all the features of a malformative developmental lesion, and may not show a significant muscle component (ie, the name "adeno-myoma" is partly a misnomer). While most are innocuous, some pathologies may arise in AMs, including intracholecystic neoplasms, flat-type high-grade dysplasia or carcinoma in situ, and invasive carcinoma (1.8%, 5 of 283). It is recommended that gross examination of GBs include serial slicing of the fundus for AM detection and total submission if one is found.</abstract><cop>United States</cop><pub>College of American Pathologists</pub><pmid>37134225</pmid><doi>10.5858/arpa.2022-0379-OA</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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source Allen Press Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Analysis
Cancer
Care and treatment
Cholecystectomy
Cholecystitis
Clinical pathology
Diagnosis
Females
Gallbladder
Gallbladder cancer
Gallbladder diseases
Kruskal-Wallis test
Localization
Normal distribution
Patient outcomes
Statistical analysis
Tumors
Variables
Variance analysis
title Adenomyomas of the Gallbladder: An Analysis of Frequency, Clinicopathologic Associations, and Relationship to Carcinoma of a Malformative Lesion
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