Indian Journal of Nuclear Medicine

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Year
: 2016  |  Volume : 31  |  Issue : 3  |  Page : 238--239

18F-fluorodeoxyglucose positron emission tomography-computed tomography finding of left gonadal vein thrombosis in a case of renal cell carcinoma


Ravishwar Narayan1, Uma Ravishankar1, Savita Natarajan1, Sandeep Vohra2,  
1 Department of Nuclear Medicine, Indraprastha Apollo Hospital, New Delhi, India
2 Department of Radiology, Indraprastha Apollo Hospital, New Delhi, India

Correspondence Address:
Ravishwar Narayan
Department of Nuclear Medicine, Indraprastha Apollo hospital, Sarita Vihar, New Delhi
India

Abstract

Tumor thrombus from renal cell carcinoma is commonly reported in renal vein and inferior vena cava with a few reports of gonadal vein involvement. Here, we report a case of an elderly female who underwent fluorodeoxyglucose (FDG) positron emission tomography-computed tomography scan for initial staging of left renal cell carcinoma. Along with an FDG avid left renal mass lesion, scan also revealed FDG avid tumor thrombus in the entire length of the left gonadal vein.



How to cite this article:
Narayan R, Ravishankar U, Natarajan S, Vohra S. 18F-fluorodeoxyglucose positron emission tomography-computed tomography finding of left gonadal vein thrombosis in a case of renal cell carcinoma.Indian J Nucl Med 2016;31:238-239


How to cite this URL:
Narayan R, Ravishankar U, Natarajan S, Vohra S. 18F-fluorodeoxyglucose positron emission tomography-computed tomography finding of left gonadal vein thrombosis in a case of renal cell carcinoma. Indian J Nucl Med [serial online] 2016 [cited 2021 Apr 15 ];31:238-239
Available from: https://www.ijnm.in/text.asp?2016/31/3/238/183607


Full Text



An 80-year-old female presented with complaint of hematuria. Contrast-enhanced computed tomography (CECT) abdomen revealed the left renal mass with renal vein and infra-diaphragmatic inferior vena cava (IVC) thrombosis. Fluorodeoxyglucose (FDG) positron emission tomography-CT (PET-CT) scan was done for staging workup. Scan findings revealed an FDG avid left renal mass lesion [Figure 1]. FDG avid tumor thrombus was seen along the entire length of the left renal vein, extending up to the IVC. FDG avid tumor thrombus was also seen in the distended left gonadal vein, extending along its entire length [Figure 2], located anteromedial to the left ureter [Figure 3]. FDG avid multiple lytic destructive skeletal lesions, left adrenal nodule, and right pleural thickenings were also seen along with non-FDG avid liver lesions and bilateral lung nodules.{Figure 1}{Figure 2}{Figure 3}

The incidence of venous tumor formation has been reported to occur in 4–10% of patients with renal cell carcinoma.[1] A few cases of involvement of gonadal vein have also been reported.[2],[3] A tumor thrombus appears as an enhancing endoluminal filling defect on CECT scan [4] with focal/linear increased FDG uptake on FDG-PET-CT scan.[5] The sensitivity and specificity of FDG uptake in the diagnosis of tumor thrombus increase with increase in FDG uptake.[6]

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

References

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