Background context: Greater trochanteric pain syndrome (GTPS) is a regional syndrome
characterized by pain and reproducible tenderness in the region of the greater trochanter, …

Study Design. Retrospective review of charts and fluoroscopic, radiographic, and computed
tomography images for 252 screws (41 patients). Objectives. To describe a fluoroscopically …

Background Context Dysphagia is a well-recognized complication after anterior cervical
discectomy and fusion, observed in as high as 50% of cases by videofluoroscopic evaluation …

… Of the 99 patients with lumbar fusion, 10 (10.1%) required reoperation, and an additional
2 required surgery for adjacent level disease (P= 0.7401). There were 24 TDR patients who …

The growth and differentiation of megakaryocytes are regulated by thrombopoietin (TPO), a
recently characterized cytokine which exerts its effects via a member of the hematopoietin …

The cytokines interleukin (IL) 4 and IL-13 induce many of the same biological responses,
including class switching to IgE and induction of major histocompatibility complex class II …

… ; P. Justin Tortolani reports grants from AOSpine North America during the conduct of the
study, other from Globus Medical, grants from Spineology, other from Innovasis, outside the …

Thrombopoietin (TPO) is a recently characterized growth and differentiation factor for
megakaryocytes and platelets that exerts its effects via the receptor, c-MpI. This receptor is a …

Background: Cervical disc arthroplasty has emerged as a promising potential alternative to
anterior cervical discectomy and fusion (ACDF) in appropriately selected patients. Despite a …

Members of the Janus family (JAK) of protein tyrosine kinases are critical enzymes in signaling
pathways via hematopoietin receptors. We have cloned JAK3, which unlike other known …