Severe osteoporosis and high level TSH in a child before the diagnosis of acute lymphoblastic leukemia.
J Pediatr Hematol Oncol 2009;
31:588-91. [PMID:
19636264 DOI:
10.1097/mph.0b013e3181acd925]
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Abstract
Osteoporosis in children is rare and mostly secondary to such conditions as prolonged immobilization, malabsorption syndromes, corticosteroid excess, osteogenesis imperfecta, celiac disease, Turner syndrome, and malignancy. Idiopathic juvenile osteoporosis (IJO) is a very rare condition of primary bone demineralization that presents in childhood. IJO, a disease of unknown etiology, manifests typically by pain, bone deformities, and fractures. Diagnosis of IJO was made by excluding other common causes of osteoporosis in this age. Bisphosphonates, calcitriol, fluoride, and calcitonin have been administered therapeutically, but the results were equivocal. Usually the disease remits by itself. Patient that has serious osteoporosis and high thyroid stimulating hormone level was diagnosed as IJO by eliminating secondary reasons. We report this case, whose symptoms were disappeared after parenteral pamidronat treatment, and he was reexamined owing to anemia and trombositopenia, and diagnosed as B-cell acute lymphoblastic leukemia, just to emphasis the importance of close follow-ups of IJO patients.
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