title: SkIndia Quiz 21: Recurrent papulonodular lesions on elbows, fingers and lower leg.
authors.affiliation: Department of Dermatology, Medical College and Hospital, Kolkata, West Bengal, India.
authors.forename: Anupam
authors.initials: A
authors.lastname: Das
authors.affiliation: Department of General Medicine, Medical College and Hospital, Kolkata, West Bengal, India.
authors.forename: Indrani
authors.initials: I
authors.lastname: Das
authors.affiliation: Department of Dermatology, Medical College and Hospital, Kolkata, West Bengal, India.
authors.forename: Anupama
authors.initials: A
authors.lastname: Ghosh
authors.affiliation: Department of Dermatology, Katihar Medical College, Bihar, India.
authors.forename: Piyush
authors.initials: P
authors.lastname: Kumar
authors.affiliation: Department of Dermatology, Medical College and Hospital, Kolkata, West Bengal, India.
authors.forename: Nilay K
authors.initials: NK
authors.lastname: Das
authors.affiliation: Department of Dermatology, Medical College and Hospital, Kolkata, West Bengal, India.
authors.forename: Ramesh C
authors.initials: RC
authors.lastname: Gharami