Soft tissue calcification around the knee is seen in: (A) Scurvy, (B) Scleroderma, (C) Hyperparathyroidism, (D) Pseudogout
Answer is D. Joint involvement in various ahritic conditionsConditionJoints involvedOsteoahritis Carpo Metacarpal joint of the thumb, DIP, PIP, KneeRheumatoid ahritisMCP, PIP, wrist, knee, anklesAnkylosing spondylitisSacroiliac joint, whole spine ( lumbar MC), hipReactive ahritis Knee Psoriatic ahritis DIP jointGout MTP of the great toePseudogout Knee Hemophilia Knee (Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 426, 435)