J Gastric Cancer.  2010 Jun;10(2):79-83.

Mesenteric Fibromatosis Mimicking Recurrence after Distal Gastrectomy for Gastric Cancer

• Kim DH
• Oh SJ
• Oh JA
• Bae YS
• Choi MG
• Noh JH
• Sohn TS
• Kim KM
• Kim S
• Bae JM

Abstract

Mesenteric fibromatosis is a monoclonal, fibroblastic proliferation arising from musculoaponeurotic structure, and it is distinctive lesions defined as a group of non-metastasizing fibroblastic tumors which has local invasion and has a high recurrence rate after the surgical excision. The main treatment modality is the surgical excision. Radiation therapy, chemotherapy, and hormone therapy are also known as useful treatments. We report our experience of a recent case of Mesenteric fibromatosis. A 62-year old female patient had undergone gastrectomy due to gastric cancer. 18 months after gastrectomy, we detected an abdominal mass. The preoperative radiologic findings were suggestive of recurrence. Exploratory laparotomy was performed and post-operative pathologic diagnosis was confirmed as fibromatosis. We report a patient with mesenteric fibromatosis that mimic recurrence after gastrectomy for gastric cancer.

Keyword

Fibromatosis, abdominal; Stomach neoplasms

MeSH Terms

Female
Fibroblasts
Fibroma
Fibromatosis, Abdominal
Gastrectomy
Humans
Hydrazines
Laparotomy
Recurrence
Stomach Neoplasms
Hydrazines

Figure

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  Fig. 1 Abdominal CT (computed tomography) finding. Abdominal CT shows a 4.5 cm sized new round soft-tissue mass in mesentery of left lower abdomen.

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  Fig. 2 MRI (magnetic resonance image) finding. MRI shows about 5.3×3.2 cm sized ovoid delayed enhancing heterogeneous signal intensity mass in the left lower abdomen on T2 weighed image.

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  Fig. 3 PET-CT (positron emission tomography-computed tomography) finding. PET-CT demonstrates that FDP (fluorodeoxyglucose) uptake in left lower abdominal mass

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  Fig. 4 Macroscopic finding. Gross finding of the tumor was homogenous firm mass.

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  Fig. 5 Histologic finding of mesenteric fibromatosis. There are thin-walled dilated blood vessels with microhemorrhage and proliferation of spindle cells with abundant collagen lay down (H-E, ×200).

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