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Gossypiboma of the leg: MR imaging characteristics. A case report.

Lo CP, Hsu CC, Chang TH - Korean J Radiol (2003 Jul-Sep)

Bottom Line: MR imaging revealed a well-defined mass lesion that showed intermediate signal intensity at T1-weighted imaging (T1WI) and slightly high signal intensity at T2-weighted imaging (T2WI).Wavy, low-signal-intensity stripes were visible within the fluid-filled central cavity.Pathologic examination revealed granulomatous inflammation, with lymphocyte and giant cell infiltration.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. rain2343@ms22.hinet.net

ABSTRACT
We report a 22-year-old man with a solid mass in the right proximal leg, which was furned out to be a gossypiboma. MR imaging revealed a well-defined mass lesion that showed intermediate signal intensity at T1-weighted imaging (T1WI) and slightly high signal intensity at T2-weighted imaging (T2WI). Wavy, low-signal-intensity stripes were visible within the fluid-filled central cavity. At surgical exploration, a sponge, retained after previous knee surgery, was discovered, and it was found that a granuloma had developed. Pathologic examination revealed granulomatous inflammation, with lymphocyte and giant cell infiltration. The presence of wavy, low-signal-intensity gauze fibers at T2WI may be a characteristic MR appearance of gossypiboma.

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Gross pathologic specimen shows a well-encapsulated mass with a fusiform central cavity. The gauze fibers (arrows) are clearly depicted.
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Figure 2: Gross pathologic specimen shows a well-encapsulated mass with a fusiform central cavity. The gauze fibers (arrows) are clearly depicted.

Mentions: At surgery, a well-encapsulated, brownish soft-tissue tumor containing serous fluid was discovered in the central cavity; examination of a cross-sectional specimen revealed the presence of fiber-like material, shown at histological investigation to be gauze fibers (Fig. 2). Microscopically, the tumor showed granulomatous inflammation, with fibrosis, lymphocyte infiltration, and giant cell reaction (Fig. 3). Sparse gauze fibers were found within the tumor; some had been phagocytosed by giant cells, leading to gossypiboma. The patient was discharged ten days later, and his recovery was uneventful.


Gossypiboma of the leg: MR imaging characteristics. A case report.

Lo CP, Hsu CC, Chang TH - Korean J Radiol (2003 Jul-Sep)

Gross pathologic specimen shows a well-encapsulated mass with a fusiform central cavity. The gauze fibers (arrows) are clearly depicted.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2698087&req=5

Figure 2: Gross pathologic specimen shows a well-encapsulated mass with a fusiform central cavity. The gauze fibers (arrows) are clearly depicted.
Mentions: At surgery, a well-encapsulated, brownish soft-tissue tumor containing serous fluid was discovered in the central cavity; examination of a cross-sectional specimen revealed the presence of fiber-like material, shown at histological investigation to be gauze fibers (Fig. 2). Microscopically, the tumor showed granulomatous inflammation, with fibrosis, lymphocyte infiltration, and giant cell reaction (Fig. 3). Sparse gauze fibers were found within the tumor; some had been phagocytosed by giant cells, leading to gossypiboma. The patient was discharged ten days later, and his recovery was uneventful.

Bottom Line: MR imaging revealed a well-defined mass lesion that showed intermediate signal intensity at T1-weighted imaging (T1WI) and slightly high signal intensity at T2-weighted imaging (T2WI).Wavy, low-signal-intensity stripes were visible within the fluid-filled central cavity.Pathologic examination revealed granulomatous inflammation, with lymphocyte and giant cell infiltration.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. rain2343@ms22.hinet.net

ABSTRACT
We report a 22-year-old man with a solid mass in the right proximal leg, which was furned out to be a gossypiboma. MR imaging revealed a well-defined mass lesion that showed intermediate signal intensity at T1-weighted imaging (T1WI) and slightly high signal intensity at T2-weighted imaging (T2WI). Wavy, low-signal-intensity stripes were visible within the fluid-filled central cavity. At surgical exploration, a sponge, retained after previous knee surgery, was discovered, and it was found that a granuloma had developed. Pathologic examination revealed granulomatous inflammation, with lymphocyte and giant cell infiltration. The presence of wavy, low-signal-intensity gauze fibers at T2WI may be a characteristic MR appearance of gossypiboma.

Show MeSH
Related in: MedlinePlus