<prompt> All are true regarding synol sarcoma except?More common at extra aicular sitesKnee and foot are commonly involvedUsually seen in individuals less than 50 years of ageOriginates from the synol lining  <response>: The name synol sarcoma is a misnomer It does not arise from the synol lining The name arises from the fact that it histologically resembles synol tissue Most commonly seen in those between 15 and 35 years of age Males and females are equally affected Most commonly seen in the lower limbs, around knee and foot It is a slow growing tumour with an indolent course It may be aggressive in later stages Ref : maheswari 9th ed 