Table 5 Related reports on pseudo ALT fractures.

From: Surgical treatment of specific Unified Classification System B fractures: potentially destabilising lesser trochanter periprosthetic fractures

Authors

Year

Mechanism of occurrence

Treatment

Van Houwelingen and Duncan7

2011

Non-cemented stem displaced under load with an unrecognised intraoperative fracture; may occur during rehabilitation

Longer stem revision and cerclage cable fixation

Capello et al.8

2014

An unrecognised intraoperative fracture Geometry of the tapered stem

6 treated with ORIF;

3 treated without surgery

Huang et al.15

2018

Proximal loosening of femoral prosthesis and poor-quality bone bed

Longer stem revision and internal fixation

Karam et al.16

2020

Anatomical and wedge design non-cemented stems

Revision and cerclage wire fixation

González-Martín, et al.17

2022

Longer stem revision and internal fixation

Egrise et al.9

2022

An occult intraoperative fracture

9 VB-LT1 (without subsidence) and 6 VB-LT2 in poor health treated nonoperatively;

13 VB-LT2 (with subsidence) with stem exchange and cerclage;

3 with isolated stem exchange;

2 with internal fixation by cerclage

  1. ORIF, open reduction and internal fixation.