Objective: Magnetic resonance imaging (MRI) has been established as the gold standard imaging technique for assessing knee joint pathologies. However, high-resolution sonography (HRS) is affordable, easily available, cost-effective, and can be used for knee joint assessment. This study was conducted to assess the diagnostic yield of HRS in the evaluation of knee joint pathologies compared with MRI. Materials and Methods: In the study, 103 patients, with symptomatic knee pain, were included. HRS was performed followed by MRI. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy were calculated. Kappa values were calculated to assess the performance of HRS compared with MRI. Results: The most frequent pathologies observed on HRS were knee joint effusion (84%) followed by medial meniscal (43%) and lateral meniscal (26%) tear. Conclusion: HRS demonstrated good diagnostic accuracy in diagnosis of knee joint pathologies as compared with MRI. Therefore, HRS could be utilized as a screening tool for detection of knee joint pathologies.

Background: Tuberculosis (TB) is a global health problem and the second most common infectious cause of death. High-resolution computed tomography (HRCT) is far more superior to chest radiography as well as conventional CT for analyzing the pulmonary parenchyma. This study aimed to evaluate the role of HRCT in pulmonary tuberculosis (PTB) with respect to disease activity and complication after anti-tubercular therapy (ATT). Methods: This prospective observational study was conducted in the Department of Radiodiagnosis, Teerthanker Mahaveer Medical College & Research Centre (TMMC&RC) for a period of 1.5 years. A total of 50 cases of newly diagnosed TB were included in the study and a standard six-month ATT was given to the patients. Pulmonary involvement was evaluated by HRCT (128 slice multi-detector PHILIPS INGENUITY CT scanner), twice for each patient (first scan after diagnosis and second after treatment completion). The acquired HRCT images were reconstructed on a highresolution lung algorithm and parenchymal, bronchial, and extra parenchymal findings were recorded systematically. Results: Out of the 50 patients, 5 died within two months of the initiation of treatment and four were lost to follow-up. Thus, post treatment follow-up sample size was reduced to 41 patients. Ill-defined nodules (96%), tree-in-bud pattern (74%), consolidation (86%), cavitary lesions (98%), and ground glass opacities (58%) were the main imaging features of active cases of TB on HRCT. Resolution to thin-walled cavitary lesions (36.5%), bronchiectasis (41.5%), and fibrotic (parenchymal) bands (66%) were common complications or sequelae which were observed after completion of treatment. Conclusion: HRCT thorax is a sensitive modality for evaluation of parenchymal and airway manifestations in cases of PTB and can aid in differentiation of active disease from healed disease. It allows early identification of post-treatment complications and sequelae in patients of PTB.

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