Spontaneous Recurrent Hemarthrosis of the Knee: A Report of Two Cases with a Source of Bleeding Detected during Arthroscopic Surgery of the Knee Joint

Figure 3

Arthroscopic findings of Case . The lateral compartment has severe degenerative change and almost no meniscal substance, including the meniscal rim, is observed in the middle and posterior portions of the lateral meniscus. Arrow head indicates the remaining posterior horn of the lateral meniscus (a). On the synovium behind this area, a small projecting tubular soft tissue with pulsation (arrows) is shown (a and b).

(a)

(b)