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. | Sex | Age | SUVmax | Long axis (cm) | Short axis (cm) | PET/CT diagnosis | Pathological diagnosis |
| False-negative cases | 31 | F | 44 | 9.1 | 2.9 | 2.3 | TB | Adenocarcinoma (high grade) | 36 | M | 53 | 7.7 | 1.9 | 1.5 | Lymphadenitis | Adenocarcinoma | 93 | F | 64 | 10.6 | 3.1 | 1.9 | Lymphadenitis | Leukemia infiltration | False-positive cases | 69 | F | 42 | 24.5 | 2.7 | 2.5 | Malignant disease | TB | 70 | M | 71 | 3.9 | 2.3 | 1.4 | Malignant disease | TB | 71 | M | 19 | 14.8 | 2.6 | 1.6 | Lymphoma | TB | 73 | F | 52 | 9.9 | 1.5 | 1.3 | Malignant disease | TB | 81 | M | 61 | 6.9 | 4.0 | 2.3 | Malignant disease | TB | 82 | M | 50 | 9.2 | 5.0 | 1.3 | Malignant disease | TB | 83 | F | 32 | 15.5 | 2.6 | 1.6 | Lymphoma | TB | 84 | M | 25 | 12.9 | 3.8 | 3.3 | Malignant disease | TB | 86 | F | 66 | 16.7 | 2.9 | 1.8 | Malignant disease | Lymphadenitis | 92 | M | 53 | 16.7 | 4.4 | 3.0 | Malignant disease | CD | 94 | F | 57 | 11.6 | 1.9 | 1.3 | Malignant disease | Lymphadenitis |
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F: female; M: male; TB: tuberculosis; CD: Castleman disease.
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