en Internal Medicine Internal Medicine case report case report The association of osteomalacia with neurofibromatosis is a very rare entity. Here a 34 year old man, a known case of neurofibromatosis, is reported who presented with bone pain, hypophosphatemia, rena] phosphorus wasting, multiple Looser's pseudofractures, and low bone density. Treatment with high dose calcitriol and phosphate resulted in temporary treatment. Permanent cure was achieved after removal of two large superficial neurofibromas. hypophosphatemia, osteomalacia, neurofibromatosis 227 230 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-298-194&slc_lang=en&sid=1 M SOVEID 20031947532846006907 20031947532846006907 Yes From the Department of Internal Medicine, Endocrinology and Metabolism Unit, Shiraz University of Medical Sciences, Shiraz, I.R. Iran.