<prompt> Which of the following is not seen in pseudogout -Small joints affectedLarge joints affectedChondrocalcinosisDeposition of calcium pyrophosphate  <response>: It is one of the forms of calcium pyrophosphate dihydrate CPPD arthropathy.Pseudogout commonly involves the larger joints.Knee joint is most commonly involved; other sites are wrist, elbow, shoulder, ankle. Involvement of small joints is uncommon.The radiologic hallmark of CPPD is chondrocalcinosis. Chondrocalcinosis is seen as punctate andor linear radiodense deposits in fibrocartilaginous joint menisci or articular hyaline cartilage. 