Malignant Brenner Tumor of the Ovary: A Systematic Review of the Literature

Koufopoulos, Nektarios I.; Pouliakis, Abraham; Samaras, Menelaos G.; Kotanidis, Christakis; Boutas, Ioannis; Kontogeorgi, Adamantia; Dimas, Dionysios; Sitara, Kyparissia; Zacharatou, Andriani; Ieronimaki, Argyro-Ioanna; Spathis, Aris; Leventakou, Danai; Zanelli, Magda; Pateras, Ioannis S.; Panayiotides, Ioannis G.; Palicelli, Andrea; Syrios, John

doi:10.3390/cancers16061106

Cited by 1 publication

(1 citation statement)

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“…GISTs can be misdiagnosed as smooth muscle-tumors (such as leiomyomas or leiomyosarcoma), neural neoplasms (such as schwannomas), ovarian stromal-sex cord tumors (such as cellular fibromas or fibrosarcomas), neuroendocrine tumors, or other mesenchymal neoplasms [97][98][99][100][101][102][103][104].…”

Section: Discussionmentioning

confidence: 99%

Gastrointestinal Stromal Tumors (GISTs) Mimicking Primary Ovarian Tumors or Metastasizing to the Ovaries: A Systematic Literature Review

Tonni,

Palicelli,

Bassi

et al. 2024

Cancers

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Background: Gastrointestinal stromal tumors (GISTs) are a rare neoplasm, sometimes mimicking primary ovarian tumors (OTs) and/or metastasizing to the ovaries (M-OT). We performed a systematic literature review (SLR) of OTs and M-OTs, investigating differences in recurrence-free and overall survival. Methods: Our SLR was performed according to PRISMA guidelines, searching in Pubmed, Scopus, and Web of Science databases from inception until 21 April 2024. Results: Overall, 59 OTs (Group 1) and 21 M-OTs (Group 2) were retrieved. The absence of residual disease after surgery was achieved significantly in a higher percentage of patients with Group 1 GISTs (91.5%) compared with Group 2 GISTs (57.1%). Chemotherapy was more frequently administered to Group 2 patients (33% vs. 0%). Recurrence and deaths for disease were significantly more frequent in Group 2 than Group 1 cases (54.5% vs. 6.8%, and 37.5% vs. 9.8%, respectively). Conclusions: GISTs can rarely mimic primary ovarian cancers or even more rarely metastasize to the ovaries. Group 1 GISTs occurred in younger women, were not associated with elevated tumor markers, and had a better prognosis. In contrast, Group 2 GISTs occurred in older women, may exhibit elevated tumor markers, and presented a worse prognosis. However, no significant statistical difference for survival between the two studied groups was detected. Computed tomography scans can define the size of GISTs, which correlate to stage and prognostic risk classes. The gold standard treatment is complete surgical resection, which was achieved in almost all cases of Group 1 GISTs and in half of Group 2. Histopathology and immunohistochemistry are essential for the final diagnosis and guide chemotherapy treatment.

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