Research Article

Is SUVmax Helpful in the Differential Diagnosis of Enlarged Mediastinal Lymph Nodes? A Pilot Study

Table 2

False positive and negative cases diagnosed by 18F-FDG PET/CT.

Case no.SexAgeSUVmaxLong axis (cm)Short axis (cm)PET/CT diagnosisPathological diagnosis

False-negative cases
31F449.12.92.3TBAdenocarcinoma (high grade)
36M537.71.91.5LymphadenitisAdenocarcinoma
93F6410.63.11.9LymphadenitisLeukemia infiltration
False-positive cases
69F4224.52.72.5Malignant diseaseTB
70M713.92.31.4Malignant diseaseTB
71M1914.82.61.6LymphomaTB
73F529.91.51.3Malignant diseaseTB
81M616.94.02.3Malignant diseaseTB
82M509.25.01.3Malignant diseaseTB
83F3215.52.61.6LymphomaTB
84M2512.93.83.3Malignant diseaseTB
86F6616.72.91.8Malignant diseaseLymphadenitis
92M5316.74.43.0Malignant diseaseCD
94F5711.61.91.3Malignant diseaseLymphadenitis

F: female; M: male; TB: tuberculosis; CD: Castleman disease.