<prompt> Tophi in gout found in all regions except -a Joint capsuleb Skinc Muscled Articular cartilagee Synovial membraneaebabad  <response>: Tophi are pathognomic of gout. They are formed by large aggregations of urate crystals. The urate crystals are surrounded by -MacrophagesLymphocytesLarge foreign body giant cellsThey are seen in the-Articular cartilages of jointsPeriarticular ligamentsTendons and soft tissuesAchilles tendonEar lobesLess common sites of involvement are -a Kidneyb Nasal cartilagec Skin of the finger tips, palms or soles. 