ESPE Abstracts (2018) 89 P-P2-059

Gazi University, Ankara, Turkey

Aim: Arthrogryposis Multiplex Congenita type II is an autosomal dominant disease, characterized by multiple congenital contractures in the limbs without a primary neurological deficit. The most frequently observed clinical features are triangular face, palpebral fissures facing downwards, clarity in nasolabial folds, small mouth, high palate, adherent ear lobes, short stature, camptodactyly, ulnar deviations in the fingers, vertical talus and/or talipes equinovarus.

Case: A male patient who applied to the hospital complaint of his short stature was born with term 3000 gr and 50 cm. At the time of birth it was learnt that the arm, left leg, hand and neck had a curvature and limitation of movement and was diagnosed with Arthrogriposis Multiplex Congenita. In his physical examination chronological age: 5 years 10 months, height age: 2 years 8 months, bone age: 3 years 6 months, weight: 12.7kg (<3p), height: 92.1 cm (−4.49 SD) and he was prepubertal. In existence were triangular face, epicantus, micrognati, facial asymmetry, clearness in nasolabial folds, narrow mouth opening, high palate, long filtrum, ulnar deviation in fingers, abduction limitations in thumbs, tarsal fusion, short neck, asymmetry in shoulders and scoliosis. Hand, shoulder, elbow and neck joints were limited due to contractures. In hıs laboratory TSH: 2.4 mIU/ml, sT4: 0.55 ng/dl, IGF-1: <15 ng/ml (<−3SD),IGFBP3: 489 ng/ml (<−3SD) was observed. LT4 therapy was initiated for his central hypothyroidism after ACTH: 18.3 pg/ml, cortisol: 8.3 ug/dl. The growth rate in 3 months after euthyroidism was 0.5 cm and IGF-1: <15 ng/ml (<−3SD) and IGFBP3: 570 ng/ml (<−3 SD). In the growth hormone stimulation tests results were in L-DOPA peak GH 0.66 ng/ml, in clonidine peak GH 0.84 ng/ml. After growth hormone treatment, the growth rate was 3 cm/3 months. The genetic analysis results is awaiting.

Conclusion: Half of the Arthrogryposis Multiplex Type II cases are caused by mutation in troponin I (TNN12), troponin T (TNNT3) and embryonic mysosin (MYH3) genes. In spite of short stature of syndrome features, only 2 cases of Panhypopituitarism have previously been reported in available literature.

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