Pancreatic hamartoma: a case report and literature review
Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced co...
Ausführliche Beschreibung
Autor*in: |
Matsushita, Daisuke [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2016 |
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Anmerkung: |
© Matsushita et al. 2016 |
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Übergeordnetes Werk: |
Enthalten in: BMC gastroenterology - London : BioMed Central, 2001, 16(2016), 1 vom: 14. Jan. |
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Übergeordnetes Werk: |
volume:16 ; year:2016 ; number:1 ; day:14 ; month:01 |
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DOI / URN: |
10.1186/s12876-016-0419-2 |
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Katalog-ID: |
SPR027417808 |
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520 | |a Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. | ||
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10.1186/s12876-016-0419-2 doi (DE-627)SPR027417808 (SPR)s12876-016-0419-2-e DE-627 ger DE-627 rakwb eng Matsushita, Daisuke verfasserin aut Pancreatic hamartoma: a case report and literature review 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Matsushita et al. 2016 Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. Pancreas (dpeaa)DE-He213 Hamartoma (dpeaa)DE-He213 Cystic lesion (dpeaa)DE-He213 Pseudotumor (dpeaa)DE-He213 Cytokeratin (dpeaa)DE-He213 S-100 (dpeaa)DE-He213 Kurahara, Hiroshi aut Mataki, Yuko aut Maemura, Kosei aut Higashi, Michiyo aut Iino, Satoshi aut Sakoda, Masahiko aut Shinchi, Hiroyuki aut Ueno, Shinichi aut Natsugoe, Shoji aut Enthalten in BMC gastroenterology London : BioMed Central, 2001 16(2016), 1 vom: 14. Jan. (DE-627)326643702 (DE-600)2041351-8 1471-230X nnns volume:16 year:2016 number:1 day:14 month:01 https://dx.doi.org/10.1186/s12876-016-0419-2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 14 01 |
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10.1186/s12876-016-0419-2 doi (DE-627)SPR027417808 (SPR)s12876-016-0419-2-e DE-627 ger DE-627 rakwb eng Matsushita, Daisuke verfasserin aut Pancreatic hamartoma: a case report and literature review 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Matsushita et al. 2016 Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. Pancreas (dpeaa)DE-He213 Hamartoma (dpeaa)DE-He213 Cystic lesion (dpeaa)DE-He213 Pseudotumor (dpeaa)DE-He213 Cytokeratin (dpeaa)DE-He213 S-100 (dpeaa)DE-He213 Kurahara, Hiroshi aut Mataki, Yuko aut Maemura, Kosei aut Higashi, Michiyo aut Iino, Satoshi aut Sakoda, Masahiko aut Shinchi, Hiroyuki aut Ueno, Shinichi aut Natsugoe, Shoji aut Enthalten in BMC gastroenterology London : BioMed Central, 2001 16(2016), 1 vom: 14. Jan. (DE-627)326643702 (DE-600)2041351-8 1471-230X nnns volume:16 year:2016 number:1 day:14 month:01 https://dx.doi.org/10.1186/s12876-016-0419-2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 14 01 |
allfields_unstemmed |
10.1186/s12876-016-0419-2 doi (DE-627)SPR027417808 (SPR)s12876-016-0419-2-e DE-627 ger DE-627 rakwb eng Matsushita, Daisuke verfasserin aut Pancreatic hamartoma: a case report and literature review 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Matsushita et al. 2016 Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. Pancreas (dpeaa)DE-He213 Hamartoma (dpeaa)DE-He213 Cystic lesion (dpeaa)DE-He213 Pseudotumor (dpeaa)DE-He213 Cytokeratin (dpeaa)DE-He213 S-100 (dpeaa)DE-He213 Kurahara, Hiroshi aut Mataki, Yuko aut Maemura, Kosei aut Higashi, Michiyo aut Iino, Satoshi aut Sakoda, Masahiko aut Shinchi, Hiroyuki aut Ueno, Shinichi aut Natsugoe, Shoji aut Enthalten in BMC gastroenterology London : BioMed Central, 2001 16(2016), 1 vom: 14. Jan. (DE-627)326643702 (DE-600)2041351-8 1471-230X nnns volume:16 year:2016 number:1 day:14 month:01 https://dx.doi.org/10.1186/s12876-016-0419-2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 14 01 |
allfieldsGer |
10.1186/s12876-016-0419-2 doi (DE-627)SPR027417808 (SPR)s12876-016-0419-2-e DE-627 ger DE-627 rakwb eng Matsushita, Daisuke verfasserin aut Pancreatic hamartoma: a case report and literature review 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Matsushita et al. 2016 Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. Pancreas (dpeaa)DE-He213 Hamartoma (dpeaa)DE-He213 Cystic lesion (dpeaa)DE-He213 Pseudotumor (dpeaa)DE-He213 Cytokeratin (dpeaa)DE-He213 S-100 (dpeaa)DE-He213 Kurahara, Hiroshi aut Mataki, Yuko aut Maemura, Kosei aut Higashi, Michiyo aut Iino, Satoshi aut Sakoda, Masahiko aut Shinchi, Hiroyuki aut Ueno, Shinichi aut Natsugoe, Shoji aut Enthalten in BMC gastroenterology London : BioMed Central, 2001 16(2016), 1 vom: 14. Jan. (DE-627)326643702 (DE-600)2041351-8 1471-230X nnns volume:16 year:2016 number:1 day:14 month:01 https://dx.doi.org/10.1186/s12876-016-0419-2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 14 01 |
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10.1186/s12876-016-0419-2 doi (DE-627)SPR027417808 (SPR)s12876-016-0419-2-e DE-627 ger DE-627 rakwb eng Matsushita, Daisuke verfasserin aut Pancreatic hamartoma: a case report and literature review 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Matsushita et al. 2016 Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. Pancreas (dpeaa)DE-He213 Hamartoma (dpeaa)DE-He213 Cystic lesion (dpeaa)DE-He213 Pseudotumor (dpeaa)DE-He213 Cytokeratin (dpeaa)DE-He213 S-100 (dpeaa)DE-He213 Kurahara, Hiroshi aut Mataki, Yuko aut Maemura, Kosei aut Higashi, Michiyo aut Iino, Satoshi aut Sakoda, Masahiko aut Shinchi, Hiroyuki aut Ueno, Shinichi aut Natsugoe, Shoji aut Enthalten in BMC gastroenterology London : BioMed Central, 2001 16(2016), 1 vom: 14. Jan. (DE-627)326643702 (DE-600)2041351-8 1471-230X nnns volume:16 year:2016 number:1 day:14 month:01 https://dx.doi.org/10.1186/s12876-016-0419-2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2016 1 14 01 |
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Matsushita, Daisuke Kurahara, Hiroshi Mataki, Yuko Maemura, Kosei Higashi, Michiyo Iino, Satoshi Sakoda, Masahiko Shinchi, Hiroyuki Ueno, Shinichi Natsugoe, Shoji |
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pancreatic hamartoma: a case report and literature review |
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Pancreatic hamartoma: a case report and literature review |
abstract |
Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. © Matsushita et al. 2016 |
abstractGer |
Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. © Matsushita et al. 2016 |
abstract_unstemmed |
Background Pancreatic hamartoma is an extremely rare benign disease of the pancreas. Only 30 cases have been reported to date. Case presentation A 68-year-old man presented with an asymptomatic solid and multi-cystic lesion in the uncus of the pancreas, incidentally detected on abdominal enhanced computed tomography. The tumor was found to be a well-demarcated solid and multi-cystic lesion without any enhancement, measuring 4 cm in diameter. After 28 months of follow-up, the tumor enlarged. At 31 months after initial diagnosis, the patient underwent surgical resection because it was difficult to clinically determine whether the tumor was malignant or not. Macroscopically, the solid tumor consisted of yellow adipose tissue with a smooth thin capsule confined to the pancreatic uncus. The inner structure of the tumor consisted of multiple cysts with a white nodule between the cysts. Histologically, the solid part and the multi-cystic portion consisted of mature adipose tissue and colonization of dilated pancreatic ducts with mild fibrosis, respectively. Immunohistochemical findings revealed cytokeratin 7 and 19 positive staining in the epithelial cells of the ducts. Adipose tissue showed positive staining for S-100 protein and there were only a few MIB-1 positive cells. The tumor was then diagnosed as a pancreatic hamartoma. Conclusion Beside on the above findings, we suggest that the term “well-demarcated solid and cystic lesion with chronological morphological changes” could be a clinical keyword to describe pancreatic hamartomas. © Matsushita et al. 2016 |
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Pancreatic hamartoma: a case report and literature review |
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