PMC5404658_01
Preoperative X-rays of the injured right thumb revealing no fractures. (A) Posteroranterior view; (B) lateral view.
icrp_a_1308830_f0001_b.jpg
PMC5404658_01_icrp_a_1308830_f0001_b.jpg
F0001
Plain X-rays confirmed our findings in the physical examination showing no osseous defects (Figure 1).
Preoperative sonography of the injured right thumb revealing an avulsion of the EPL tendon with a gap of 17 mm in full extension.
icrp_a_1308830_f0002_c.jpg
PMC5404658_01_icrp_a_1308830_f0002_c.jpg
F0002
It showed a considerable gap of 17 mm between the torn ends of the EPL tendon according to an avulsion of the proximal stump (Figure 2).
Intraoperative photo documentation. (A) Total rupture of the EPL close to the distal insertion; (B) Fixation of the EPL tendon with the Mini QUICKANCHOR  suture anchor and transfixation of the IP-joint with Kirschner-wire (1.25 mm).
icrp_a_1308830_f0003_c.jpg
PMC5404658_01_icrp_a_1308830_f0003_c.jpg
F0003
Surgical site presented a complete avulsion of the EPL tendon with a remarkable gap (Figure 3(A)).
Clinical outcome 1 year after surgery. (A) In full active extension; (B) in maximal active flection.
icrp_a_1308830_f0004_c.jpg
PMC5404658_01_icrp_a_1308830_f0004_c.jpg
F0004
One year after surgery the patient obtained a ROM of 0/0/65  of the right IP-joint compared to 5/0/70  of the contralateral thumb (Figure 4(A,B)).