Following is/are true for psoriatic arthritis
A
Pencil in a cup deformity may be found in x-ray of hand
B
Patients are HLA B27 positive
C
Nail changes are found in less than 50% of patients
D
Symmetric proximal interphalangeal joint involvement
E
Associated with lupus pernio
Correct Answer: Pencil in a cup deformity may be found in x-ray of hand