“…Since its initial discovery, more than 150 cases have been documented in the literature [12] . Most cases occur in the hands [10] , fingers [ 6 , 9 ], and plantar aspect of the feet [ 3 , 12 ], but they can also arise from the connective tissues of the neck, abdominal wall, back, knee [ 8 , 11 ], thigh, arm, forearm, and elbow [5] . The lesion has also been detected surrounding a joint or invading the adjacent joint, simulating gout or calcium pyrophosphate deposition disease [14] .…”