Word Count：2882語 (Time: 17'32'', 164 wpm)
- Although hairy-cell leukemia is primarily a disorder of B cells, T cells are also impaired. Since the IGRA and the tuberculin skin test rely on the presence of functional T cells, the patient’s response to these tests was probably insufficient for the establishment of a positive diagnostic result.
- Although IRIS is most often seen during the treatment of HIV infection, it can also occur with the treatment of various other infections, including M. tuberculosis. The clinical improvement with glucocorticoids is consistent with the diagnosis of IRIS.