Casos curtos - musculoesquelético

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Radiologia 
Musculoesquelética 
Liga Acadêmica de Radiologia e 
Diagnóstico por Imagem 
Reunião 02/11/2014 
IMAGENS ADICIONAIS 
OA: advanced degenerative change 
within the medial tibiofemoral joint 
compartment. Note the lateral 
meniscal chondrocalcinosis. 
OA: Severe patellofemoral OA. 
OA: advanced 
degenerative 
change seen in 
the weight-
bearing 
compartment of 
the left 
hip joint. 
OA: erosive OA at the DIPJ 
little finger. 
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Severe osteoarthritis of the 
hip. There is joint 
space narrowing which has 
occurred asymmetrically 
within the 
joint, in this case affecting 
the superior joint (the most 
common 
pattern of hip 
involvement). Note also 
subchondral cyst formation 
(black arrowheads) and 
osteophytosis (arrows). The 
osteophytes 
form a rim around the 
femoral head/neck junction 
and 
are superimposed over the 
neck visible as a sclerotic 
line (white 
arrowheads), which should 
not be mistaken for a 
fracture. 
Severe osteoarthritis affecting the thumb base. 
There is loss of joint space and subchondral sclerosis along with 
osteophyte formation affecting the thumb carpometacarpal 
joint. An osteochondral loose body is present (arrow) and there 
is joint subluxation. Early involvement of the STT joint is also 
seen as subchondral sclerosis. 
Knee osteoarthritis showing the effect of weightbearing on joint space narrowing. (A) 
Non-weight-bearing radiograph shows some subchondral bone irregularity reflecting 
the knee osteoarthritis, but the medial and lateral compartment joint spaces look to be 
relatively well preserved. (B) Radiograph with the patient standing with 30° flexion. 
Severe loss of lateral compartment joint space is now appreciated (arrowhead). The 
knee flexion also demonstrates osteophyte in the intercondylar notch (arrows). 
Severe osteoarthritis of the 
hip. AP radiograph: 
In this case joint space loss 
is in a less common medial 
distribution 
(black arrowheads). The 
study also shows osseous 
hypertrophy 
along the medial neck of 
the femur (buttressing) 
(white 
arrowheads). Note also the 
marginal osteophytes 
which can 
also be seen projected over 
the femoral neck 
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Referências 
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