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患者,女,21岁。4年前出现视力减退及夜盲,黄昏时或于暗处行走困难;逐渐加重。发病1年后伴随进行性听力下降,无耳鸣,继而出现吐字不清,反应迟钝。家族三代中无近亲结婚及同类
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患者,女,21岁。4年前出现视力减退及夜盲,黄昏时或于暗处行走困难;逐渐加重。发病1年后伴随进行性听力下降,无耳鸣,继而出现吐字不清,反应迟钝。家族三代中无近亲结婚及同类疾病史。体检:一般情况尚好。目光呆滞,反应迟钝,语言含糊不清。有关实验室检查和物理检查均正常。染色体检查形态、结构及数目正常。专科检查:双耳
Patient, female, 21 years old. 4 years ago, visual acuity and night blindness, walking at dusk or in the dark; gradually increased. 1 year after onset with progressive hearing loss, no tinnitus, followed by articulation unclear, unresponsive. No family history of third-generation marriage and the history of similar diseases. Physical examination: the general situation is still good. Dull eyes, unresponsive, vague language. The relevant laboratory tests and physical examination are normal. Chromosome examination morphology, structure and the number of normal. Specialist examination: both ears
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