title: A 12-year-old boy with renal failure and haemoptysis.
authors.affiliation: Paediatric Nephrology Unit, Department of Paediatrics , Christian Medical College , Vellore, Tamilnadu , India.
authors.forename: M G
authors.initials: MG
authors.lastname: Zeier
authors.affiliation: Paediatric Nephrology Unit, Department of Paediatrics , Christian Medical College , Vellore, Tamilnadu , India.
authors.forename: Swasti
authors.initials: S
authors.lastname: Chaturvedi
authors.affiliation: Paediatric Nephrology Unit, Department of Paediatrics , Christian Medical College , Vellore, Tamilnadu , India.
authors.forename: Afsana
authors.initials: A
authors.lastname: Jahan
authors.affiliation: Department of Pathology , Christian Medical College , Vellore, Tamilnadu , India.
authors.forename: Anila
authors.initials: A
authors.lastname: Korula
authors.affiliation: Paediatric Nephrology Unit, Department of Paediatrics , Christian Medical College , Vellore, Tamilnadu , India.
authors.forename: Indira
authors.initials: I
authors.lastname: Agarwal
keywords: ANCA associated vasculitis; haemoptysis; microscopic polyangiitis; pulmonary renal syndrome; renal failure