ESPE Abstracts (2018) 89 P-P3-349

Mother and Baby Diagnosed Noonan Syndrome with Dysmorphic Findings

Mehmet Keskina, Emel H Aytac Kaplana, Murat Karaoglana, Kadri Karaerb & Ozlem Keskinc

aGaziantep University Faculty of Medicine Department of Pediatric Endocrinology, Gaziantep, Turkey; bGaziantep Dr. Ersin Arslan Training and Research Hospital, Medical Genetics, Gaziantep, Turkey; cGaziantep University Faculty of Medicine Children’s Department, Gaziantep, Turkey

Objective: Noonan syndrome; is an autosomal dominant genetic disorder characterized by short stature, low hair line, webbed neck, cubitus valgus, chest wall deformities and congenital heart defects. Here; the patient was admitted to hospital by parents due to undescended testis and finally infant and mother were diagnosed Noonan syndrome.

Case: A 14-month-old male patient was admitted to hospital because of bilateral undescended testis. On physical examination there was growth failure. Body weight 7.5 kg (<3p), height 69 cm (<3p). There were also dysmorphic face, hypertelorism, ptosis, bilateral undescended testis. Cytogenetic chromosome analysis of the case was 46 XY. Ultrasonography and echocardiography were normal. Genetic mutation was reported as Noonan syndrome. The genetic test also sent from the mother on observing similar dysmorphic findings. The diagnosis was again Noonan’s syndrome. Orchiopexy-applied case was followed because of growth retardation.

Conclusion: In this study; we showed that dysmorphic findings and undescended testis may be stimulant for the diagnosis of Noonan syndrome in the early period. The mother of the case also was diagnosed as Noonan syndrome interestingly by showing the dominant transition effect.

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