杜申肌力发育不良和甘激酶缺乏症与Xp21连续基因删除综合征相关的罕见同时发生:一个案例报告
Lúcia Marques1, Patrícia Lipari Pinto2, Joana Coelho3
1Department of Pediatrics, Hospital Beatriz Ângelo, Lisbon, PRT.
Cureus
|January 26, 2026
概括
糖醇激酶缺乏症,Xp21删除综合征的一部分,在患有杜氏肌肉发育不良的儿童中被诊断出. 早期的遗传鉴定使得最佳的多学科护理和营养管理成为可能.
科学领域:
- 遗传学 是一个遗传学.
- 儿科 儿科 儿科
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 甘油酶缺乏症 (GKD) 是一种X相关性疾病,通常与Xp21连续基因缺失综合征有关.
- 这种综合征可以包括杜恩肌肉衰竭 (DMD) 和其他遗传缺陷.
- 早期诊断和管理对于患者的治疗结果至关重要.
研究的目的:
- 报告一个非血缘关系的夫妇诊断出Xp21连续基因删除综合征的第一个后代.
- 要突出诊断过程和复杂的GKD的临床表现.
- 强调综合多学科护理对这些复杂的遗传疾病的重要性.
主要方法:
- 阵列比较基因组杂交 (aCGH) 用于识别Xp21区域中的6.08Mb删除.
- 临床评估包括神经发育,遗传,代谢和神经学咨询.
- 实验室测试评估了肌酸酶,糖醇,脂质,氨酸酶和上腺功能.
主要成果:
- 母亲遗传的Xp21半性缺失证实了GKD和DMD.
- 患者呈现出整体发育迟缓,身高矮,代谢危机 (低血糖症,酸症) 和运动缺陷 (摇摇欲的步态,高尔的标志).
- 发现了肌酸激酶的升高,高血糖,伪高甘油三糖血症和氨酸酶的增加.
结论:
- 对复杂的Xp21删除综合征进行准确的遗传诊断对于全面的患者护理至关重要.
- 多学科的管理,包括治疗和特定的营养计划 (低脂肪饮食,避免长期禁食) 是至关重要的.
- 这一案例强调了确定精确遗传缺陷的好处,以获得最佳的医疗和营养策略.
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