Two cases of <scp>18F‐FDG‐PET</scp>/<scp>CT</scp> positive Schloffer tumor following curative surgery of colon cancer

Uehara, Hiroki; Hamada, Masanori; Hatta, Masahiko; Sekimoto, Mitsugu; Noda, Yuri; Minami, Kotaro; Kono, Yumiko; Kurokawa, Hiroaki

doi:10.1002/ccr3.6741

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…Conventionally, silk sutures are the primary cause of intra-abdominal foreign body granulomas [ 1 – 7 ]. They can be incidentally discovered on computed tomography (CT) images in patients who have undergone cancer surgery, occasionally leading to a misdiagnosis of cancer recurrence [ 1 – 6 ]. Such misinterpretations can result in unnecessary invasive treatments, such as systemic chemotherapy [ 8 ] or high-risk extended operations, including pancreatoduodenectomy [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Polymer clip granuloma mimicking lymph node recurrence: a case report

Kimura,

Honda,

Sanmoto

2024

surg case rep

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Background Foreign body granulomas are postoperative inflammatory reactions to surgical materials within the body. Traditionally, sutures have been the leading cause of foreign body granulomas in the abdomen, commonly referred to as “suture granuloma”. However, the use of polymer clips in modern surgeries has introduced new challenges, and reports of intra-abdominal foreign body granulomas caused by surgical clips are limited. Herein, we present a case of an intra-abdominal foreign body granuloma formed due to polymer clips. Case presentation A 45-year-old woman who underwent laparoscopic resection for sigmoid colon adenocarcinoma subsequently developed a suspected lymph node recurrence during follow-up. Imaging showed an enlarging mass adjacent to the inferior mesenteric artery with increased fluorodeoxyglucose uptake. Laparoscopic surgical resection revealed the formation of a foreign body granuloma in response to the polymer clips. Conclusions This case suggests that nonabsorbable polymer clips can induce granulomatous reactions postoperatively, and the appearance of lymph node recurrence may be foreign body granulomas.

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Section: Introductionmentioning

confidence: 99%

Polymer clip granuloma mimicking lymph node recurrence: a case report

Kimura,

Honda,

Sanmoto

2024

surg case rep

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“…3 It is necessary to suspect the dissemination and recurrence of organ cancer. A previous report 4 has shown that Schloffer tumor showed positive F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) after surgery for colorectal cancer. When a growing mass is observed at the laparoscopic port site, it is difficult to differentiate between a metastatic tumor and a benign Schloffer tumor.…”

Section: Introductionmentioning

confidence: 99%

Laparoscopic approach for port site mass diagnosed as a Schloffer tumor following surgery of ascending colon cancer

Mitsuyoshi,

Nagata,

Akiyama

et al. 2023

Asian J Endoscop Surgery

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Schloffer tumor is a foreign body granuloma that develops in the subcutaneous layer of the abdomen over several months to several years after surgery due to sutures. Here, we performed a laparoscopic resection for a benign Schloffer tumor that showed positive F‐18 fluorodeoxyglucose (FDG) positron emission tomography (PET) at the port site of a laparoscopic right hemicolectomy for advanced colon cancer. We report a case in which systemic chemotherapy was avoided as a result of the histological examination following the laparoscopic approach. A 66‐year‐old female, who underwent laparoscopic right hemi colectomy for stage IIIA ascending colon cancer, was revealed an enhanced mass at the right side of the abdominal subcutaneous layer. PET examination showed a high accumulation of FDG. Laparoscopic tumor resection was performed. Pathological findings reported the formation identical to the Schloffer tumor. Schloffer tumor, which is rare, should be considered as one of the differential diagnoses for tumor with FDG‐PET positivity at the port site during the postoperative surveillance period of colorectal cancer.

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Two cases of 18F‐FDG‐PET/CT positive Schloffer tumor following curative surgery of colon cancer

Cited by 2 publications

References 14 publications

Polymer clip granuloma mimicking lymph node recurrence: a case report

Polymer clip granuloma mimicking lymph node recurrence: a case report

Laparoscopic approach for port site mass diagnosed as a Schloffer tumor following surgery of ascending colon cancer

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