Costwold Modified Ann-Arbor Staging I: 1 Lymph Node (LN) region (I) or 1 Extralymphatic site (IE) II: On the same side of diaphragm – ≥2 LN region (II) or Localized Extralymphatic extension + ≥1 LN region (IIE) III: On both the sides of diaphragm – LN regions (III) ± Spleen involvement (IIIS) ± Localized…
‘Z-effect’ and ‘Reverse Z-effect’ are complications relating to differential migration of screws that arise from fixation of unstable proximal femoral fractures with Proximal Femoral Nail (PFN) having 2 interlocking head screws. The 4 patterns of unstable intertrochanteric fracture hip are: Z-effect: The Z-effect involves the lateral migration of the lag…