en عمومى General گزارش مورد case report Introduction: The Usher syndrome (USH) is an autosomal-recessive disorder refers to The combinded bilateral sensorineural hearing loss, retinitis pigmentosa (RP), and in some cases vestibular dysfunction. There are three clinical types of Usher syndrome: type 1, type 2, and type 3. Type 3 is characterised by progressive hearing loss and variable age of onset of retinal degenerationand he or she will usually require hearing aids by mid- to late adulthood. Night blindness usually begins sometime during puberty. Case Presentation: The present case reports is a 13 years-old male with type 3 of usher syndrome syndrome who developed a previously undescribed growth hormone de- ficiency. Conclusion: We sugesst usher syndrome type 3 could be a primery GH deficiency disorders.potential link between usher syndrome and GH deficiency is still unclear and needs further studies. Usher syndrome,GH deficiency, Retinitis pigmentosa 45 48 http://intjmi.com/browse.php?a_code=A-10-1-197&slc_lang=en&sid=1 Reza Jafari 10031947532846003434 10031947532846003434 No Faculty of Medicine, Mazandaran University of Medical Sciences, Mazandaran, Iran. Banafshe Nouri 10031947532846003435 10031947532846003435 Yes Faculty of Medicine, Mazandaran University of Medical Sciences, Mazandaran, Iran.