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Mesothelial cyst of the spleen mimicking a metastasis: a case report.

ABSTRACT: Mesothelial cyst of the spleen is a developmental disorder. Previous reports have elaborated on the radiological features of splenic mesothelial cysts as being unilocular with a smooth and well-defined margin. However, due to its rarity, it is unclear whether these characteristics are representative and specific for the diagnosis of mesothelial cysts. Herein, this case report presents an atypical case of splenic mesothelial cyst mimicking a malignant tumour, especially splenic metastasis in a 66-year-old woman with ascending colon cancer. Due to an overlapping imaging finding of hypodense splenic lesions, and considering the clinical history, a mesothelial cyst that developed as a multilocular hypodense mass from an ill-defined small nodule was inevitably misdiagnosed as metastasis. Although rare, it is important to consider the possibility of mesothelial cyst in a patient with multilocular hypodense lesions of the spleen.

SUBMITTER: Park M

PROVIDER: S-EPMC8293851 | biostudies-literature | 2021 Jul

REPOSITORIES: biostudies-literature

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Mesothelial cyst of the spleen mimicking a metastasis: a case report.

Park Mihyeon M Lee Jisun J Kim Yook Y Choi Chi-Hoon CH Park Kil Sun KS

The Journal of international medical research 20210701 7

Mesothelial cyst of the spleen is a developmental disorder. Previous reports have elaborated on the radiological features of splenic mesothelial cysts as being unilocular with a smooth and well-defined margin. However, due to its rarity, it is unclear whether these characteristics are representative and specific for the diagnosis of mesothelial cysts. Herein, this case report presents an atypical case of splenic mesothelial cyst mimicking a malignant tumour, especially splenic metastasis in a 66 ...[more]

PMID: 34275373

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Project description:Introduction Cecal duplication cysts occur only in 0.4% of all the gastrointestinal tract duplication cysts. More than 80% cases present in the first two years of life. However, asymptomatic individuals may also present in adult life. Presentation of case A female patient of 42 years presented with generalized abdominal pain and multiple episodes of vomiting from one day. A vague tender mass was palpable in the left lumber region, firm in consistency with ill-defined borders and not moving with respiration. Ultrasound shows mild free fluid with internal debrinous echoic area noted in lower abdomen and pelvis along with fatty hepatomegaly. CeCT scan of the abdomen and pelvis shows twisted appearance of the gut and mesentery in right sub-hepatic region. Complete resection and Ileocolic anastomosis was done along with right hemicolectomy. Based on radiological, surgical and pathological findings, the final diagnosis was enteric duplication cyst. Discussion Based on their location, terminal ileum and ileocecal junction are the most common sites (53 %) with colonic duplication second to it (13%). However, cecal duplication cysts remain the least common with incidence of 0.4 % only. Females are more common than males. However, their exact cause is not known. Possible causes are defective recanalization, fusion of embryonal longitudinal folds, persistant diverticulae of embryonic life and uterine vascular anomalies. Conclusion Enteric duplication cysts most commonly presenting with palpable abdominal mass, pain mimicking appendicitis & bleeding per-rectum. The treatment of choice is resection and ileocolic anastomosis with overall good prognosis. The delay in the diagnosis can lead to high mortality. Highlights • Diagnosing enteric duplication cysts is complicated, commonly occurring in the first two years of life.• Most common presentations include palpable abdominal mass, pain mimicking appendicitis, intussusception and bleeding per-rectum.• The treatment of choice is resection and ileocolic anastomosis with overall good prognosis.• The delay in the diagnosis can lead to high mortality.

Dataset Information

Mesothelial cyst of the spleen mimicking a metastasis: a case report.

Publications

Mesothelial cyst of the spleen mimicking a metastasis: a case report.

Similar Datasets

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