Rare case of benign multicystic peritoneal mesothelioma

Samson, Paul; Cacala, Shas

doi:10.1111/j.1445-2197.2005.03448.x

Cited by 3 publications

(4 citation statements)

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“…First, BMPM occurs predominantly in women in the reproductive age group frequently with a history of a pelvic operation or inflammatory disease, whereas both our patient and that of Samson and Cacala were previously healthy elderly men 1 …”

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confidence: 87%

“…The pathogenesis of BMPM remains controversial, uncertainties still exist as to whether it represents a neoplastic or reactionary process. It seems that chronic peritoneal irritation has become increasingly implicated 1 . The consistent coexistence of pseudomyxoma peritonei and mucinous cystic appendiceal tumour with reactive transformation of the peritoneum in all the aforementioned hernia specimens mimicking BMPM again underlines the difficulties in drawing a dividing line between the two hypothetical processes.…”

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confidence: 99%

“…In the July 2005 issue of the Journal, Dr Samson and colleagues reported the truly first case of benign multicystic peritoneal mesothelioma (BMPM) diagnosed during hernia repair, which, they believed, also represented the first reported case of the disease diagnosed in a man over the age of 60 years 1 . In the same month, the Clinicopathological Conference at our hospital discussed the case of a 72‐year‐old man with the surprise finding of a multicystic tumour inside the sac of an inguinal hernia, which was reported as BMPM by our consultant pathologists.…”

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confidence: 99%

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Benign multicystic peritoneal mesothelioma: a diagnostic challenge

Ng¹,

Lau²,

Ng³

2006

ANZ Journal of Surgery

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confidence: 87%

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confidence: 99%

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confidence: 99%

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Benign multicystic peritoneal mesothelioma: a diagnostic challenge

Ng¹,

Lau²,

Ng³

2006

ANZ Journal of Surgery

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“…Due to the lack of a direct vascular and lymphatic connection between the two inguinal canals, it seems unlikely that the two lesions were caused by the same source. Six cases of inguinal BMPM (Table 1) showed no recurrence after surgical resection [9][10][11][12][13][14], whereas one case involving an elderly man developed postoperative recurrence [15]. Chronic peritoneal inflammation caused by an inguinal hernia could have caused BMPM.…”

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confidence: 99%

Benign multicystic peritoneal mesothelioma occurring in bilateral inguinal canals metachronously: a case report

et al. 2022

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Background Benign multicystic peritoneal mesothelioma (BMPM) is a benign tumor that usually occurs in middle-aged females. Although several published studies have reported the occurrence of this tumor in the abdominal cavity, few have documented its development in the inguinal region. Case presentation We present a case of a 48-year-old female presenting with a bulge in her left inguinal region. Physical examination revealed a golf ball-sized nodule in the left inguinal region that could not be pushed back into the abdominal cavity. Contrast-enhanced computed tomography showed a multicystic tumor; therefore, the patient was diagnosed with inguinal hernia or hydrocele of the Nuck’s canal. We performed surgical resection and hernia repair using the mesh plug method. The resected specimen was 80 mm in length and contained a multicystic tumor. Pathological examination showed that the cyst wall was lined by a single layer of cuboidal to single layer squamous epithelium. Immunohistochemistry revealed positivity for calretinin in the epithelial cells, for which a diagnosis of BMPM was established. The patient returned to our hospital after 5 years with symptoms similar to the previous episode, but this time in the right inguinal region. Imaging studies showed a tumor in the right inguinal region with the same characteristics as the previous one. The patient underwent tumor resection and hernia repair using the same technique. The resected tumor was 45 mm in length and had characteristics similar to the previously resected tumor. The presence of calretinin and D2-40 on immunohistochemistry led to the diagnosis of BMPM. There was no recurrence of BMPM for 33 months after the secondary surgery. Conclusions Here we present the first report of metachronous BMPM occurring in bilateral inguinal canals. Although the pathogenesis of BMPM remains unclear, reactive changes have been suggested to cause tumors originating from the groin. The treatment of choice for BMPM is surgical resection. For diagnosis, pathological examination with immunostaining can be useful. The most appropriate postoperative follow-up for inguinal BMPM is controversial, and the accumulation of more inguinal BMPM cases is needed.

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Benign multicystic mesothelioma and peritoneal inclusion cysts: are they the same clinical and histopathological entities? A systematic review to find an evidence-based management

Rapisarda

Cianci

Caruso

et al. 2018

Arch Gynecol Obstet

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PMC are more common than had previously been thought. Most authors consider them non-neoplastic; thus the designation of "peritoneal inclusion cyst" is preferable. The term "mesothelioma" should be used only in cases of histological evidences of atypia. The high rates of recurrence suggest that the goal of treatment should not be necessarily complete eradication, but symptomatic relief through individualized treatment. This is a topic of particular importance, especially in young female where recurrence rates could be lower than those reported in adults and where an improperly aggressive treatment could have repercussions on fertility.

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Rare case of benign multicystic peritoneal mesothelioma

Cited by 3 publications

References 5 publications

Benign multicystic peritoneal mesothelioma: a diagnostic challenge

Benign multicystic peritoneal mesothelioma: a diagnostic challenge

Benign multicystic peritoneal mesothelioma occurring in bilateral inguinal canals metachronously: a case report

Benign multicystic mesothelioma and peritoneal inclusion cysts: are they the same clinical and histopathological entities? A systematic review to find an evidence-based management

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