SPHENOID SINUSITIS

\sfˈɛnɔ͡ɪd sˌɪnjuːsˈa͡ɪtɪs], \sfˈɛnɔ‍ɪd sˌɪnjuːsˈa‍ɪtɪs], \s_f_ˈɛ_n_ɔɪ_d s_ˌɪ_n_j_uː_s_ˈaɪ_t_ɪ_s]\

Definitions of SPHENOID SINUSITIS

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2010 - Medical Dictionary Database
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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)
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