Pseudomyxoma peritonei: a rare tumour mimicking primary ovarian neoplasia

Martins, Cátia Filipa; Costa, Sara; Guedes, Pedro; Rafael, Ana Filipa

doi:10.1136/bcr-2014-209251

Cited by 5 publications

(3 citation statements)

References 3 publications

(2 reference statements)

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“…Peritoneal pseudomyxoma or gelatinous disease is a rare entity, first described by R. Wyerth in 1884. Its incidence is estimated at 2 cases per million inhabitants per year and 2 cases per 10,000 laparotomies [1]. The average age of onset is 46 years with a preferential attack of women with a sex ratio of one man for two women.…”

Section: Discussionmentioning

confidence: 99%

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Peritoneal Pseudomyxoma Secondary to a Mucinous Tumor of the Ovary: About a Case

Samah,

Acila,

et al. 2023

Glob Acad J Med Sci

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Peritoneal pseudomyxoma, also called gelatinous disease of the peritoneum is a rare entity that corresponds to diffuse peritoneal infiltration, consisting of mucinous ascites and multifocal mucinous epithelial implants. Its prevalence is 2 cases per million populations [1]. Peritoneal pseudomyxoma may remain asymptomatic, discovered during laparotomy. CT scans are the most specific diagnostic tool. The appendicular origin of gelatinous ascites is the most common and represents 90% of causes. Mucinous tumours of the ovary are a very rare cause. We report the case of a 55- year-old woman with a peritoneal pseudomyxoma of ovarian origin [2].

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Section: Discussionmentioning

confidence: 99%

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mentioning

confidence: 99%

Peritoneal Pseudomyxoma Secondary to a Mucinous Tumor of the Ovary: About a Case

Samah,

Acila,

et al. 2023

Glob Acad J Med Sci

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“…In some cases, however, it is difficult to distinguish the appendage from ovarian tumors that are anatomically located in close proximity in the pelvis, making the preoperative diagnosis difficult [4]. In particular, postmenopausal atrophied ovaries are difficult to detect by imaging studies such as MRI and transvaginal echocardiography, and pelvic tumors are sometimes difficult to determine whether they originate from the ovary or the gastrointestinal tract [5]. The evaluation can be difficult because of artifacts caused by peristalsis.…”

Section: Discussionmentioning

confidence: 99%

A Case of Low-Grade Appendiceal Mucinous Neoplasm of Its Difficultly to Distinguish from a Right Ovarian Tumor Due to Postmenopause

Muramoto¹,

Kamijo²,

Sano³

et al. 2022

OJOG

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We here present a rare case of appendiceal tumor mimicking ovarian tumor in menopause woman. The patient was a 56-year-old woman, G1P1, who presented to our hospital with a right adnexal cyst diagnosed at another hospital. Transvaginal echocardiography showed a cyst in the right adnexal region, and pelvic contrast-enhanced MRI revealed a small cyst in the same region. The left ovary was atrophic and identifiable. It was unclear whether the cyst was contiguous with the gastrointestinal tract. Blood tests showed no elevation of tumor markers. We considered its possibility of a gastrointestinal origin, but since right normal ovary was not found, we thought the tumor was of ovarian origin and decided on a laparoscopic resection of the right adnexa. Intraoperatively, we observed atrophied bilateral normal ovaries, and the pelvic tumor was contiguous to the appendix. Surgeons performed a laparoscopic appendectomy after consultation with us. After resection we searched the abdominal and pelvic cavities, but found no obvious disseminated lesions. The histological diagnosis was low-grade appendiceal mucinous neoplasm (LAMN), a rare benign tumor of the appendix. Appendiceal tumors can be difficult to differentiate from right ovarian tumors due to their close anatomic location in the pelvis. It is possible to determine whether the tumor is of ovarian or appendiceal origin by identifying normal ovaries and the location of the feeding vessels into the tumors. In our case, there were no lesions other than the appendix, but LAMN can metastasize to the ovary, cause pseudomyoxoma peritonei, or be an overlapping tumor with an ovarian tumor. If an appendiceal tumor is diagnosed after surgery for ovarian tumor, the intra-abdominal cavity should be searched for metastasis or dissemination, and a thorough search for ovarian lesions should be performed with the possibility of an overlapping tumor in mind.

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Unusual suprasellar vascular malformation mimicking a tumour in a girl presenting with subacute vision loss

et al. 2022

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Pseudomyxoma peritonei: a rare tumour mimicking primary ovarian neoplasia

Cited by 5 publications

References 3 publications

Peritoneal Pseudomyxoma Secondary to a Mucinous Tumor of the Ovary: About a Case

Peritoneal Pseudomyxoma Secondary to a Mucinous Tumor of the Ovary: About a Case

A Case of Low-Grade Appendiceal Mucinous Neoplasm of Its Difficultly to Distinguish from a Right Ovarian Tumor Due to Postmenopause

Unusual suprasellar vascular malformation mimicking a tumour in a girl presenting with subacute vision loss

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