SUBSTITUTION CLASS
\sˌʌbstɪtjˈuːʃən klˈas], \sˌʌbstɪtjˈuːʃən klˈas], \s_ˌʌ_b_s_t_ɪ_t_j_ˈuː_ʃ_ə_n k_l_ˈa_s]\
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)