¹⁸ F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography-Positive Lymph Node Endometriosis Masquerading as Lymph Node Metastasis of a Malignant Tumor

Figure 1

Preoperative image. (a) Coronal enhanced computed tomography (CT) showing an unclear mass that involved the left adnexa and ureter, indicated by an open arrow, along with severe left hydronephrosis and hydroureter. (b) ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) positron emission tomography/CT showing high ¹⁸F-FDG uptake at the internal iliac lymph node lesion, indicated by a closed arrow.

(a)

(b)