HLA B27 is not seen in-: (A) SLE, (B) Ankylosing spondylitis, (C) Reiter's syndrome, (D) Psoriotic ahritis
Answer is A. Harshmohan textbook of pathology 7th edition. SLE is associated with immuno regulatory function of class 2 HLA gene includes HLADR, HLADQ, HLADP..