A ten–year old girl presents with swelling of one knee joint. All of the following conditions can be considered in the differential diagnosis except –
Although all conditions mentioned in the options may produce swelling of one knee joint, the clue lies in the fact that haemophilia is an X Linked recessive disease and is not manifested in girls who act only as carriers.
Tuberculosis
Juvenile rheumatoid arthritis
Haemophilia
Villonodular synovitis