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Exact(35)
Delayed-type hypersensitivity (DTH) reactivity (2-3 mm of induration) at E75-loaded DC injection sites was observed in 2 of 5 patients evaluated but was similar at the unloaded DC injection sites.
(b) A documented negative TST (less than 10 mm of induration) at 48 to 72 h and/or negative QuantiFERON-TB Gold test, and a negative chest X-ray for TB.
In the current study, the inclusion criteria were less stringent and modified to include the evidence of vitritis, snowballs, or snow banking as clinical features with a documented positive tuberculin skin test (10 mm of induration or more).
Investigations such as Mantoux test 3 × 5 mm of induration, ESR = 15 mm/h, normal chest X-ray, negative urine and blood cultures, and negative HIV and VDRL were done to rule out other systemic infections.
A Mantoux test result showed 4 mm of induration and was considered positive as the patient came from an endemic area and was at that time treated with high-dose intravenous corticosteroids for his ocular inflammation.
Patients were diagnosed as intermediate uveitis of presumed tubercular etiology if the following criteria were fulfilled: (1) a documented positive tuberculin skin test (10 mm of induration or more) at 48 72 h; (2) evidence of vitritis, snowballs, or snow banking; and (3) all known causes of infectious uveitis except TB and known noninfectious uveitic syndromes ruled out.
Similar(25)
A TB skin test resulted in a 14-mm area of induration.
When the cut-off point for positive TST was reduced to ≥ 5 mm of skin indurations, 207 (41.0%) subjects were positive in both tests and six (1.2%) were negative (Table 4).
However, the prevalence of LTBI was 31.2% (183/587) using TST at a cut-off point ≥ 10 mm of skin indurations, and it was higher in males than females (36.8% vs. 23.5%, X2 = 11.76; p < 0.001).
A positive skin test was defined as > 5 mm of the transverse induration in children with HIV infection and > 10 mm in children without HIV infection.
These 97 skin tests were each performed on 1 arm only, and no creams were applied; the mean diameter of induration was 16.4 mm (SEM 1.9 mm), and 52% were TB skin-test positive (>10 mm).
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