Benign Multicystic Peritoneal Mesothelioma:<i>AIRP Best Cases in Radiologic-Pathologic Correlation</i>

Lee, Ruri; Tong, Angela; Kurtis, Boaz; Gilet, Anthony

doi:10.1148/rg.2016150157

Cited by 13 publications

(8 citation statements)

References 14 publications

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“…It typically shows nonenhancing unilocular or multilocular thin-walled cystic lesions. 14 The solid part in endosalpingiosis showed contrast enhancement in the present case and a reported case. 7 Therefore, it may be possible to differentiate between them.…”

Section: Discussionsupporting

confidence: 64%

Magnetic resonance imaging findings of endosalpingiosis: a case report

Fujii

Inoue

Mukuda

et al. 2021

Acta Radiologica Open

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Endosalpingiosis is characterized by the presence of glands lined by benign tubal-type epithelium outside the fallopian tube. It is usually an incidental finding and rarely occurs as a tumor-like mass lesion. Here, we describe the magnetic resonance imaging findings of endosalpingiosis that presented as a paraovarian multicystic lesion. It exhibited iso to low intensity on T1-weighted images and inhomogeneous high intensity on T2-weighted images. The septa presented relatively iso to slight high intensity on T2-weighted images and strong contrast enhancement on dynamic contrast-enhanced imaging. Endosalpingiosis should be considered as a differential diagnosis in cases of paraovarian multicystic lesions along the uterine serosa.

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Section: Discussionsupporting

confidence: 64%

Magnetic resonance imaging findings of endosalpingiosis: a case report

Fujii

Inoue

Mukuda

et al. 2021

Acta Radiologica Open

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“…CT and MRI findings confirm ultrasonographic findings but do not permit differentiation from other cystic lesions. On MRI, BMPM exhibits low signal intensity on T1-weighted images and high signal intensity on T2-weighted images, reflecting high fluid content [ 7 ].…”

Section: Discussionmentioning

confidence: 99%

Benign multicystic peritoneal mesothelioma treated with laparoendoscopic single site surgery: a case report and review of the literature

et al. 2018

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Benign multicystic peritoneal mesothelioma (BMPM) is rare and difficult to diagnose before surgery. We report a case of BMPM incidentally discovered during laparoendoscopic single site surgery (LESS) for treatment of a pelvic mass. A 47-year-old Korean menopaused woman presented to our outpatient clinic with a pelvic mass. She had a history of right ovary cystectomy with adhesiolysis at a local hospital in 2010. Imaging study of the pelvis revealed a multilocular cystic mass. LESS was performed and multiple grapelike clusters of cysts were seen in the uterus, cul-de-sac, both adnexa, pelvic wall, and omentum. The appendix was grossly free. Frozen biopsy confirmed BMPM. Excision of multiple cyst clusters of cysts, resection of the uterus with both adnexa, appendectomy, omentectomy, and adhesiolysis were performed with LESS. She is well for 2 years with no recurrence. BMPM should be included in the differential diagnosis when small multichamber cystic mass is found on ultrasonography.

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“…15 Magnetic resonance imaging (MRI) shows hyperintense signals reflecting cystic fluid, with possible gadolinium enhancement of the septa. 16 In all imaging modalities, mild free-fluid and minimal peritoneal thickening may be noted -a stark contrast to malignant peritoneal mesothelioma, which frequently presents with frank ascites and diffuse peritoneal thickening. Diagnosis is achieved through surgical sampling with immunohistopathologic studies.…”

Section: Discussionmentioning

confidence: 99%

Benign multicystic peritoneal mesothelioma: literature review and update

Chand¹,

Edens²,

Lin³

et al. 2020

Autops. Case Rep.

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Benign multicystic peritoneal mesothelioma (BMPM) is a rare peritoneal tumor diagnosed predominantly in pre-menopausal women. Associated risk factors include endometriosis and pelvic inflammatory disease in women, and prior abdominal surgery in both genders. To date, the pathogenesis of this disease remains controversial with possible etiologies, including a neoplastic versus a reactive process. Given the risk factors, some authors believe that this disease is secondary to a reactive process. However, because some studies describe cases where there is no prior surgical history or inflammatory milieu present, and because of this entity's predilection for recurrence, some authors believe the origin to be neoplastic. Some genetic and familial associations have also been reported. Malignant transformation is extremely rare, with only two cases reported in the literature, despite the recurrence potential. Like the etiology, the name of this entity is also controversial. Some authors prefer the term "peritoneal inclusion cyst (PCM)" instead of "benign cystic mesothelioma" and argue that the term mesothelioma should only be used when there is evidence of atypia. Most cases of BMPM are discovered incidentally. Others reflect sequela of tumor mass effect. It appears intra-operatively as large, multi-focal, cystic lesions in the peritoneal and pelvic cavity. Diagnosis is achieved through surgical sampling with histopathological examination. Immunobiologically, BMPM exhibits multiple small cystic spaces with flattened lining containing calretinin positive cells without atypical features, mitotic figures, or tissue invasion. Treatment includes cytoreductive surgery. Here we present a case of BMPM in a 60-year-old male-a rare disease in an uncommon patient population.

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Benign Multicystic Peritoneal Mesothelioma:AIRP Best Cases in Radiologic-Pathologic Correlation

Cited by 13 publications

References 14 publications

Magnetic resonance imaging findings of endosalpingiosis: a case report

Magnetic resonance imaging findings of endosalpingiosis: a case report

Benign multicystic peritoneal mesothelioma treated with laparoendoscopic single site surgery: a case report and review of the literature

Benign multicystic peritoneal mesothelioma: literature review and update

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