title: A child with severe joint pain.
authors.affiliation: Ochsner Clinic Foundation, New Orleans, Louisiana, USA.
authors.forename: Jyothi
authors.initials: J
authors.lastname: Mallepalli
authors.forename: Abraham
authors.initials: A
authors.lastname: Gedalia
mesh_terms: D018771:Arthralgia / Q000175:diagnosis* / Q000209:etiology; D001707:Biopsy, Needle; D001774:Blood Chemical Analysis; D001853:Bone Marrow / Q000473:pathology*; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D010147:Pain Measurement; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000175:diagnosis* / Q000473:pathology; D011877:Radionuclide Imaging / Q000379:methods; D018570:Risk Assessment; D012720:Severity of Illness Index