[50 years of the Lódź Branch of the Polish Orthopedics and Traumatology Society].

The Łódź Branch of the Polish Orthopedics and Traumatology Society (PTO i Tr.) was founded an march 10, 1951. The first Board was selected at the plenary PTO i Tr.

[Radiological assessment of the hip after Mittelmeier and Parhofer- Mönch stem implantation].

Radiological assessment and results after cementless stems implantation at Mittelmeier (Autophor 900 and 900S) and Parhofer-Mönch total hip replacement are presented. Engh criteria were used to assess implantation of the stem on a-p radiograph. Vertical migration, presence of ossifications around the tip of the stem within medullar cavity and radiolucency in 7 Gruen zones were evaluated.

[Radiography assessment of the hip joint after the implantation of cementless ceramic cup and metal cup].

Radiographic assessment of the hip joint and clinical results after implantation of cementless Mittelmeier ceramic cup and metal Parchofer-Munch cup are presented. Material included 151 hips (56 ceramic cups and 95 metal cups). A-P radiograph and Engh criteria served for radiological assessment of the cup.

[The use of total cementless threaded knee Motta-Callea prosthesis].

The paper presents features and operative technique for Motta-Callea knee arthroplasty. Medium-term results in a series of 17 joints with serious osteoarthritis (stage IV and V--classification of Larsen at al) in 14 patients aged 43-75 years (mean 64 years) are presented. Patients were evaluated according to Clinical Rating System (Insall et al.

[Constant point evaluation for reconstruction of the rotator cuff].

Thirteen patients aged 36-63 years underwent surgery for full thickness rotator cuff rupture. The average follow-up was 21.1 months (range 12-36 months).