WILLIS CIRCLE

\wˈɪlis sˈɜːkə͡l], \wˈɪlis sˈɜːkə‍l], \w_ˈɪ_l_i_s s_ˈɜː_k_əl]\

Definitions of WILLIS CIRCLE

Word of the day

Sporadic Retinoblastoma

  • A malignant arising nuclear layer retina that is most primary eye in children. The tumor tends to occur early childhood or infancy present at birth. majority are sporadic, but condition may be transmitted as autosomal dominant trait. Histologic features include dense cellularity, small round polygonal cells, areas of calcification and necrosis. An abnormal pupil reflex (leukokoria); NYSTAGMUS; STRABISMUS; visual loss represent common clinical characteristics this condition. (From DeVita et al., Cancer: Principles Practice Oncology, 5th ed, p2104)
View More