<prompt> Investigation of choice in bronchiectasisMRIHRCTbronchoscopychest x-ray  <response>: Ans: b HRCTSecond investigation of choice earlier: Bronchography not BronchoscopyHRCT signs:Honeycomb patternTram-track patternGrape cluster patternTooth paste patternSignet ring patternVery importantSome Investigations of choice:Bronchiectasis :HRCTRenal TB early :IVPRenal TB advanced :CTIVPRenal calculus :Non contrast Helical CT scanDental pathology andTM joint pathology :pantamogramPregnant lady with upper abdominal mass :MRIPosterior urethral valve and VUR :MCU Micturating cystourethrogramOsteoporosis :DEXA 