Fig. 2
A 47-year-old male patient with no previous relevant history, presenting with cervical painful swollen lymph nodes with intermittent fever for 3 months. Finally, HIV infection was confirmed at the local Centers for Disease Control (CDC). Blood test showed Epstein-Barr virus infection by polymerase chain reaction, and the T-SPOT were positive. An 18F-FDG PET/CT was performed, with maximum intensity projection (A) and axial slices (B, D and F PET; C, E and G PET/CT), showing cervical, mediastinal and retroperitoneal lymph nodes high uptake (blue arrows) and splenomegaly moderate uptake (red arrows). The axial slices (B and C, blue arrows) show cervical node involvement, with SUVmax value of 9.2. Multiple necroses were found in the mediastinal lymph nodes (D and E; blue arrows). Right neck lymph node biopsy confirmed granulomatous lymphadenitis with positive bacteria by Ziehl–Neelsen staining. And the specimen culture proved to be Mycobacterium tuberculosis infection finally