A case of a mucin-producing bile duct tumor diagnosed over the course of 6 years

Yamada, Sho; Kato, Yosuke; Hada, Masahiro; Kotake, Masanori; Oyama, Kaeko; Hara, Takuya

doi:10.1007/s12328-017-0775-7

Cited by 3 publications

(3 citation statements)

References 10 publications

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“…We searched the English-language literature published after 2010 for IPNBs developed from cystic hepatic tumors that were followed up for more than one year before treatment. Five cases, including the present case, were treated by surgical resection (Table 1)[9,22-24]. The follow-up period ranged from 2.5 to 13 years, and 4 patients showed gradual enlargement of the cystic tumor, initially without any clinical symptoms.…”

Section: Discussionmentioning

confidence: 94%

“…Intrahepatic IPNB is characterized into 3 types: Ductectatic-type, cystic-type, and diffuse-type neoplasms[7,8]. Cystic-type IPNB often shares similar imaging features with cystic hepatic tumors, which may be misdiagnosed as mucinous cystic neoplasms, complicated hepatic cysts, cystic hemangiomas, lymphangiomas, hepatic foregut cysts, mesenchymal hematomas or teratomas[9-11]. Thus, careful follow-up and appropriate inspection of cystic hepatic tumors are necessary.…”

Section: Discussionmentioning

confidence: 99%

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Long-term growth of intrahepatic papillary neoplasms: A case report

Hasebe¹,

Sawada²,

Hayashi³

et al. 2019

WJG

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BACKGROUNDIntraductal papillary neoplasm of the bile duct (IPNB) is a type of tumor that presents in the intra- or extrahepatic bile ducts. Cystic-type intrahepatic IPNB often mimics simple liver cysts, making the diagnosis difficult. Because the growth of IPNB is slow, careful follow-up and timely therapeutic intervention is recommended. There are few reports with a follow-up period longer than a decade; thus, we report the case of a patient with an IPNB that grew for over 13 years.CASE SUMMARYA 65-year-old man was diagnosed, 13 years prior with a cystic hepatic tumor with abnormal imaging findings. The targeted tumor biopsy results showed no malignancy. Biannual follow-up examinations were performed because of the potential for malignancy. The cystic lesions showed gradual enlargement over 11 years and a 4 mm papillary proliferation appeared on the cyst wall, which is compatible with IPNB. The tumor was observed for another 2 years because of the patient’s wishes. The imaging findings showed enlargement to 8 mm and a new 9 mm papillary proliferation of the cystic tumor. Contrast-enhanced ultrasonography showed hyperenhancement during the arterial phase in both cyst walls, indicating intraductal tumor progression in both tumors. Thus, liver segment 8 subsegmentectomy was performed. The pathological findings indicated that the tumors contained mucin, and high-grade atypia was observed in the papillary lesions, showing IPNB.CONCLUSIONThe development of IPNB should be monitored in patients with cystic lesions and ultrasonography are useful tool for the evaluation.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Long-term growth of intrahepatic papillary neoplasms: A case report

Hasebe¹,

Sawada²,

Hayashi³

et al. 2019

WJG

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“…Hence, there are few reports about the natural course of type 1 IPNBs. Yamada et al reported that they performed surgery after observing a mucinproducing IPNB, for 6 years (10). With regard to the prognosis, type 1 IPNBs have markedly better prognoses than type 2 IPNBs.…”

Section: Discussionmentioning

confidence: 99%

A Case in which an Intraductal Papillary Neoplasm of the Bile Duct Was Surgically Resected 12 Years after the Initial Diagnosis

et al. 2020

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A 66-year-old Japanese man was referred to our hospital with multiple giant liver cysts. The cysts had already been detected as multiple 3-cm cysts with small nodules at another hospital 12 years prior to this presentation. The cysts were diagnosed as an intraductal papillary neoplasms of the bile duct (IPNB) occupying the right lobe of the liver. Extended right lobectomy was performed. Based on the pathological findings, the tumor was diagnosed to be an oncocytic-type IPNB with minimal invasion. This experience suggests that the progression of IPNBs occur relatively slowly. The present case might provide important information for understanding the natural history of IPNBs.

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Consensus guidelines on the role of cholangioscopy to diagnose indeterminate biliary stricture

Angsuwatcharakon

Kulpatcharapong

Moon

et al. 2022

HPB

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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A case of a mucin-producing bile duct tumor diagnosed over the course of 6 years

Cited by 3 publications

References 10 publications

Long-term growth of intrahepatic papillary neoplasms: A case report

Long-term growth of intrahepatic papillary neoplasms: A case report

A Case in which an Intraductal Papillary Neoplasm of the Bile Duct Was Surgically Resected 12 Years after the Initial Diagnosis

Consensus guidelines on the role of cholangioscopy to diagnose indeterminate biliary stricture

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