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Case Reports
. 2025 Jul 24;2025(7):rjaf504.
doi: 10.1093/jscr/rjaf504. eCollection 2025 Jul.

Unveiling the nature of a peritoneal implant using endoscopic ultrasound

Oren Gal  1   2 , Ariel Polonsky  2   3 , Shaul Pery  1   2
Affiliations
Case Reports

Unveiling the nature of a peritoneal implant using endoscopic ultrasound

Oren Gal et al. J Surg Case Rep. .

Abstract

Ovarian cancer is one of the leading causes of cancer deaths in women with a median age of diagnosis of 63. Commonly, late presentation leads to advanced disease with peritoneal involvement. Often, ovarian cancer recurs even after extensive surgical interventions and oncological therapy. Below, we present a case of a 75-year-old women with past surgical history of ovarian carcinoma who underwent debulking surgery and adjuvant chemotherapy treatment. During gynecological oncology follow-up positron emission tomography (PET-CT) scan she was diagnosed with fluorodeoxyglucose (FDG) uptaking, 12 mm lesion in the serosal surface of the recto-sigmoid junction. Due to the uncommon site of the lesion and its unknown histological nature, the lesion was biopsied during trans-rectal endoscopic sonography which held bases for further surgical intervention.

Keywords: EUS; debulking surgery; fine-needle biopsy; ovarian cancer.

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Conflict of interest statement

None declared.

Figures

Figure 1
Figure 1
PET-CT scan showing FDG uptake at the recto-sigma junction seen as small bright spot in the middle of the screen.
Figure 2
Figure 2
Radial sonographic view of the malignant lesion at the 2 o'clock position.
Figure 3
Figure 3
Linear view of the malignant lesion seen as a hypoechoeic mass with biopsy needle inside.
Figure 4
Figure 4
Whitish core material obtained by fine-needle biopsy embedded on a slide before submission to pathological evaluation.
See this image and copyright information in PMC

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