The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease · 2010
Neuroradiological features of the tuberculosis-associated immune reconstitution inflammatory syndrome.
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Marais S, Scholtz P, Pepper D J, Meintjes G, Wilkinson R J, Candy S
Аннотация
SETTING: Paradoxical tuberculosis-associated immune reconstitution inflammatory syndrome (TB-IRIS) is an important complication in human immunodeficiency virus type I (HIV-1) infected tuberculosis (TB) patients who start combination antiretroviral treatment (ART). Neurological manifestations occur in more than 10% of TB-IRIS cases. Apart from a few case reports, the radiological features of neurological TB-IRIS have not been described.
OBJECTIVE: To describe the neuroradiological findings of patients with paradoxical neurological TB-IRIS.
DESIGN: Computed tomography (CT; n = 13) and magnetic resonance imaging (n = 3) findings of 16 patients were reviewed.
RESULTS: IRIS manifestations included meningitis (n = 4), intracranial space occupying lesions (SOLs, presumed tuberculomas; n = 5), meningitis and SOLs (n = 5), radiculomyelitis (n = 1) and spondylitis (n = 1). In patients with tuberculoma IRIS, we observed a high prevalence of 1) low density lesions on non-contrast-enhanced CT (all lesions), 2) multiple lesions (in 5/10 patients) and 3) perilesional oedema (17/22 lesions). In patients with meningitis, meningeal enhancement (n = 2) and hydrocephalus (n = 1) were infrequently observed.
CONCLUSION: This is the first substantial series to describe the radiological features of paradoxical neurological TB-IRIS. Compared to published radiological findings of tuberculomas in HIV-1-infected patients (not receiving ART), an increased inflammatory response is suggested in tuberculoma IRIS. However, this was not observed in patients with TB meningitis IRIS.
OBJECTIVE: To describe the neuroradiological findings of patients with paradoxical neurological TB-IRIS.
DESIGN: Computed tomography (CT; n = 13) and magnetic resonance imaging (n = 3) findings of 16 patients were reviewed.
RESULTS: IRIS manifestations included meningitis (n = 4), intracranial space occupying lesions (SOLs, presumed tuberculomas; n = 5), meningitis and SOLs (n = 5), radiculomyelitis (n = 1) and spondylitis (n = 1). In patients with tuberculoma IRIS, we observed a high prevalence of 1) low density lesions on non-contrast-enhanced CT (all lesions), 2) multiple lesions (in 5/10 patients) and 3) perilesional oedema (17/22 lesions). In patients with meningitis, meningeal enhancement (n = 2) and hydrocephalus (n = 1) were infrequently observed.
CONCLUSION: This is the first substantial series to describe the radiological features of paradoxical neurological TB-IRIS. Compared to published radiological findings of tuberculomas in HIV-1-infected patients (not receiving ART), an increased inflammatory response is suggested in tuberculoma IRIS. However, this was not observed in patients with TB meningitis IRIS.