“…Growth may be of various aetiologies i.e. ganglion [2,16,17] , lipoma [11,17] , fibroma [14,17,19] , angioma [10,14] , giant cell tumour of tendon sheath [6,14] , calcification of tendon sheath [5] , leiomyoma [12,15] , local amyloidosis of tendon sheath [17] . Type B includes anomalous belly of lumbrical muscle or superficialis tendon [4,8,14,17,19] .…”