[Unexpected diagnosis of a cystic pelvic mass: benign mesothelioma of the uterus: case report]

BACKGROUND

Benign mesothelioma is a rare tumour mostly found in the genital tract.

CASE

We report the case of 30-years old woman presenting pelvic pain. The ultrasound scan revealed a cystic pelvic mass. Laparoscopic exploration showed a uterine posterior formation. The resection of the dome was performed. Histologic exam and immnunochemistry concluded to a benign cystic mesothelioma.

CONCLUSION

The benign mesothelioma of the uterus is usually discovered in histology, differential diagnosis for solid forms can be made with leiomyoma or adenomyoma, whereas the cystic forms can be discussed essentially with the ovarian cysts. The presence of mesothelial immunophenotype in immunochemistry improves diagnosis. Clinical outcome is always favourable without recurrence or malignant transformation.

I-131 accumulation in a benign cystic mesothelioma in a patient with follicular thyroid cancer

Focal I-131 accumulation is generally a reliable indicator of functioning normal thyroid tissue or a differentiated thyroid cancer metastasis. However, physiologic accumulation of activity may also be observed in organs such as the intestinal tract, liver, and salivary glands. Extrathyroidal I-131 accumulation has been reported in various sites, such as ectopic gastric mucosa, gastrointestinal and urinary tract abnormalities, cysts (mammary, liver, kidney, and ovaries), and inflammation and infection foci. We report a case of focal I-131 accumulation in a benign cystic mesothelioma in a patient with follicular thyroid cancer.

Multicystic peritoneal inclusion cysts: the use of CT guided drainage for symptom control

Our case study is that of a teenage male presenting with multilocular peritoneal inclusion cystic disease that is now managed symptomatically with a minimally invasive, repeatable technique. Between admissions he leads a relatively normal life. Symptomatic control in MPIC is possible using repeated CT guided aspirations.

Giant benign cystic peritoneal mesothelioma: US, CT, and MRI findings

Benign cystic peritoneal mesothelioma (BCPM) is a rare tumor, primarily affecting young women; approximately 130 cases have been described mainly in the pathological and surgical literature. We present imaging findings of a giant BCPM in a male patient and discuss the radiological differential diagnosis with a brief review of the literature.

[Peritoneal benign polycystic mesothelioma]

BACKGROUND

Benign multicystic peritoneal mesothelioma (BMPM) is an uncommon condition.

CASE REPORT

We observed a typical case of BMPM occurring in a 57-year-old man who presented with a painful mass of the lower right quadrant. The pathology using immunostaining gave the diagnosis.

DISCUSSION

The diagnosis of BMPM can be suspected on the basis of imaging findings, but is usually confirmed by pathology. The only treatment for BMPM is surgical resection. Prognosis is good despite frequent recurrences. Two main hypotheses based on etiopathology can be discussed: does BMPM consist of a mesothelioma proliferative and reactional lesion or is it a real mesothelioma tumor?

Cystic mesothelioma of the peritoneum: a rare cause of 'ascites' in children

A 2-year-old girl presented with a 3-month history of progressive painless abdominal distension. Results of the clinical examination suggested massive ascites, but no other symptoms or signs could be elicited. There was no history of any other illness preceding the onset of distension. Ultrasonography and a computed tomography scan confirmed gross ascites, with multiple thin-walled loculi throughout the abdomen, from the diaphragm to the pelvis. The preoperative diagnosis was intraabdominal lymphangioma. During laparotomy, multiple transparent cysts were found throughout the peritoneum. There was no evidence of malignancy in any organ, and the cysts appeared almost completely avascular. Histological and ultrastructural appearances were those of benign cystic mesothelioma of the peritoneum, a condition that hitherto has been recognized only in adults. It is thought to represent a borderline variant between a truly benign adenomatoid lesion and the better-known malignant mesothelioma. The experience with adult cases suggests a high potential for recurrence but no progression to malignancy. It is possible that some cases of intraabdominal lymphangioma may have been misdiagnosed in the past; future cases should be fully evaluated, both immunohistochemically and ultrastructurally, to establish the true incidence of mesothelial proliferative disease in children.