Imaging pitfalls of pancreatic serous cystic neoplasm and its potential mimickers

Ishigami, Kousei; Nishie, Akihiro; Asayama, Yoshiki; Ushijima, Yasuhiro; Takayama, Yoshiaki; Fujita, Nobuhiro; Takahata, Shunichi; Ohtsuka, Takao; Ito, Tsuyoshi; Igarashi, Hisato; Ikari, Shuji; Metz, Catherine M.; Honda, Hiroshi

doi:10.4329/wjr.v6.i3.36

Cited by 23 publications

(14 citation statements)

References 44 publications

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“…The microcystic type demonstrates a cluster of microcysts, the so called “honeycomb pattern” and is associated with a central scar in about 30% of cases [2]. Diagnosis can be difficult as the fibrosis within this subtype may mimic a mural nodule within an IPMN [11]. The oligocystic variant shares features with mucinous cystic neoplasms and branch duct IPMN.…”

Section: Discussionmentioning

confidence: 99%

Giant symptomatic serous cystadenoma mimicking carcinoma: A case report and literature review

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Rothermel

Strosberg

et al. 2019

International Journal of Surgery Case Reports

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Section: Discussionmentioning

confidence: 99%

Giant symptomatic serous cystadenoma mimicking carcinoma: A case report and literature review

Pointer

Rothermel

Strosberg

et al. 2019

International Journal of Surgery Case Reports

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“…Pitfalls may arise from several factors: the macro- and oligo-cystic types of SPN can appear similar to pseudocysts or MCN. Rarely the solid form of SPN may be confused with other hypervascular well-circumscribed pancreatic tumors, in particular neuroendocrine tumors and solid pseudopapillary neoplasms[ 18 , 19 , 26 - 28 ]. In contrast to the mentioned reports, an atypical appearance on CT was found in 61.1% of cases in a study of 72 confirmed SPNs[ 28 ].…”

Section: Introductionmentioning

confidence: 99%

Serous pancreatic neoplasia, data and review

Dietrich¹,

Ye²,

Jenssen³

et al. 2017

WJG

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AIMTo describe the imaging features of serous neoplasms of the pancreas using ultrasound, endoscopic ultrasound, computed tomography and magnetic resonance imaging.METHODSThis multicenter international collaboration enhances a literature review to date, reporting features of 287 histologically confirmed cases of serous pancreatic cystic neoplasms (SPNs).RESULTSFemale predominance is seen with most SPNs presenting asymptomatically in the 5th through 7th decade. Mean lesion size was 38.7 mm, 98% were single, 44.2% cystic, 46% mixed cystic and solid, and 94% hypoechoic on B-mode ultrasound. Vascular patterns and contrast-enhancement profiles are described as hypervascular and hyperenhancing.CONCLUSIONThe described ultrasound features can aid differentiation of SPN from other neoplastic lesions under most circumstances.

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“…We excluded the nonsurgical cases. To our knowledge, only 19 cases including our case have been published with a pathological confirmation ( Table I ) ( 2 , 3 , 5 , 8 – 19 ).…”

Section: Discussionmentioning

confidence: 97%

Middle segment pancreatectomy for a solid serous cystadenoma diagnosed by MRCP and review of the literature: A case report

et al. 2018

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Solid serous cystadenoma of the pancreas is the rarest subtype of serous cystadenoma. Cystic structures are difficult to recognize by imaging studies. In the clinical setting, it is crucial to discriminate a solid serious cystadenoma from other solid pancreatic tumors. The present study reported a case of solid serous cystadenoma in which the magnetic resonance cholangiopancreatography (MRCP) findings were useful for diagnosis and decision-making regarding the surgical strategy, with a review of the previous reports of solid serous cystadenoma. A 50-year-old woman was referred to our hospital for investigation of a pancreatic body mass. A 2-cm hypervascular solid tumor was revealed by computed tomography. No typical radiological imaging findings of small cysts were detected, such as a honeycomb structure, and an adequate specimen could not be gained by biopsy under endoscopic ultrasonography. However, the tumor showed high intensity on MRCP, suggesting its cystic nature. A solid serous cystadenoma was suspected based on these radiological findings, and middle segment pancreatectomy was performed as a function-preserving surgery. The histological findings were compatible with a solid serous cystadenoma. In conclusion, MRCP imaging may be helpful for diagnosis and decision-making regarding the most appropriate surgical method for solid serous cystadenomas.

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Imaging pitfalls of pancreatic serous cystic neoplasm and its potential mimickers

Cited by 23 publications

References 44 publications

Giant symptomatic serous cystadenoma mimicking carcinoma: A case report and literature review

Giant symptomatic serous cystadenoma mimicking carcinoma: A case report and literature review

Serous pancreatic neoplasia, data and review

Middle segment pancreatectomy for a solid serous cystadenoma diagnosed by MRCP and review of the literature: A case report

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