Arborescent lipoma is Square Baker an unusual intra-articular lesion that typically develops in the knee and has to be evoked before chronic effusion.It corresponds to hyperplasia of mature fatty tissue and hypertrophy of synovial villi, developing within a joint.The reference treatment is synovectomy by arthrotomy.The rare forms localized to the anterior compartment of the knee can benefit from an arthroscopic Waxing Kits synovectomy.The authors report a case of arborescent knee lipoma in a 47-year-old patient who received arthroscopic synoviectomy.
To our knowledge, only a few cases of arborescent lipoma treated by arthroscopic synoviectomy have been reported in the literature.