Differentiating Rheumatoid and Psoriatic Arthritis of the Hand: Multimodality Imaging Characteristics
![USMLE AID on Twitter: ""Pencil in a cup" deformity - characteristic of PSORIATIC ARTHRITIS #USMLE #Step1 #Step2CK #Step3 #FOAMed #MedEd http://t.co/yO6v2DjvtB" / Twitter USMLE AID on Twitter: ""Pencil in a cup" deformity - characteristic of PSORIATIC ARTHRITIS #USMLE #Step1 #Step2CK #Step3 #FOAMed #MedEd http://t.co/yO6v2DjvtB" / Twitter](https://pbs.twimg.com/media/BoRY4ljCQAAhg84.jpg)
USMLE AID on Twitter: ""Pencil in a cup" deformity - characteristic of PSORIATIC ARTHRITIS #USMLE #Step1 #Step2CK #Step3 #FOAMed #MedEd http://t.co/yO6v2DjvtB" / Twitter
![Figure 3 from From ankylosis to pencil-in-cup deformity in psoriatic arthritis: a case report. | Semantic Scholar Figure 3 from From ankylosis to pencil-in-cup deformity in psoriatic arthritis: a case report. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/4b17f9e6f83e6f538a46cac51d4e56baf946edca/2-Figure3-1.png)
Figure 3 from From ankylosis to pencil-in-cup deformity in psoriatic arthritis: a case report. | Semantic Scholar
![Radiographic scoring systems for psoriatic arthritis are insufficient for psoriatic arthritis mutilans: results from the Nordic PAM Study - Leena Laasonen, Ulla Lindqvist, Lars Iversen, Leif Ejstrup, Thorarinn Jonmundsson, Mona Ståhle, Bjorn Radiographic scoring systems for psoriatic arthritis are insufficient for psoriatic arthritis mutilans: results from the Nordic PAM Study - Leena Laasonen, Ulla Lindqvist, Lars Iversen, Leif Ejstrup, Thorarinn Jonmundsson, Mona Ståhle, Bjorn](https://journals.sagepub.com/cms/10.1177/2058460120920797/asset/images/large/10.1177_2058460120920797-fig2.jpeg)
Radiographic scoring systems for psoriatic arthritis are insufficient for psoriatic arthritis mutilans: results from the Nordic PAM Study - Leena Laasonen, Ulla Lindqvist, Lars Iversen, Leif Ejstrup, Thorarinn Jonmundsson, Mona Ståhle, Bjorn
![Diagnostics | Free Full-Text | Radiographic Findings of Inflammatory Arthritis and Mimics in the Hands Diagnostics | Free Full-Text | Radiographic Findings of Inflammatory Arthritis and Mimics in the Hands](https://www.mdpi.com/diagnostics/diagnostics-12-02134/article_deploy/html/images/diagnostics-12-02134-g007.png)
Diagnostics | Free Full-Text | Radiographic Findings of Inflammatory Arthritis and Mimics in the Hands
![Diagnostics | Free Full-Text | Radiographic Findings of Inflammatory Arthritis and Mimics in the Hands Diagnostics | Free Full-Text | Radiographic Findings of Inflammatory Arthritis and Mimics in the Hands](https://www.mdpi.com/diagnostics/diagnostics-12-02134/article_deploy/html/images/diagnostics-12-02134-g011.png)