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Case Reports
. 2015 Jul;97(5):e77-8.
doi: 10.1308/003588415X14181254790329.

A diaphragmatic retroperitoneal cyst

F P Robertson, D Tsironis  1 , B R Davidson
Affiliations
Case Reports

A diaphragmatic retroperitoneal cyst

F P Robertson et al. Ann R Coll Surg Engl. 2015 Jul.

Abstract

Diaphragmatic lesions are usually congenital bronchogenic cysts. A patient with a known diaphragmatic cyst presented with new onset right upper quadrant pain. Repeat imaging showed enlargement of the cyst, the CA19-9 cancer marker was raised at 312 iu/ml (normal: <27 iu/ml) and positron emission tomography combined with computed tomography showed focally increased uptake in the cystic wall. In view of symptoms and risk of neoplasia, the lesion was excised. Histology showed a benign epidermoid cyst. Features falsely suggesting neoplasia have been reported previously with benign splenic cysts but not with a benign diaphragmatic epidermoid cyst.

Keywords: CA19–9; Computed tomography; Epidermoid cyst; Positron emission tomography.

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Figures

Figure 1
Figure 1
Preoperative computed tomography with arrow showing the cyst between liver and right hemidiaphragm
See this image and copyright information in PMC

References

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