Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.10.1 (ERK)
 95,504 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Abstract One of the wrist orthoses, the Senami Wrist Supporter (SWS), was applied to 203 rheumatoid wrists in 112 patients who had persistent wrist pain and restricted forearm rotation due to synovitis and instability at the distal radioulnar joint (DRUJ). The study was performed by sending out a questionnaire to the patients about the use of the SWS at home, and examining grip strength and forearm rotation with and without the use of the SWS. The average age of the patients was 61 years, and the average follow-up period was 18 months. The rate of compliance of wearing the SWS at home was 73% on average. It was higher in wrists of Larsen-Dale-Eek (LDE) grades 0, I, and II (normal, slight, and definite early abnormality) than in those of grades III, and IV (medium and severe destructive abnormality). Decreased pain was noted in 52% of the wrists at the time of applying the SWS. The SWS was not used in 10% of the wrists because of remission of pain at follow-up. Grip strength increased significantly (P < 0.01) and so did forearm rotation (P < 0.05) by the stabilizing effect of the SWS on the unstable DRUJ. The use of the SWS was confirmed to be an efficient measure to treat painful rheumatoid wrists with early stages of disease at the DRUJ.
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PMID:The Senami Wrist Supporter for patients with rheumatoid arthritis. 2438 93

We report a very rare case of a dedifferentiated chondrosarcoma mimicking a benign giant cell tumor. A 22-year-old male was admitted to our hospital with a history of mild left wrist pain after a skiing trauma. Radiology revealed an extensive meta-epiphyseal osteolytic lesion in the distal ulna, which appeared to be a giant cell tumor. Histological examination showed a biphasic tumor comprising chondroid and non-chondroid areas with a giant cell-rich lesion resembling a conventional giant cell tumor of the bone. Immunohistochemistry showed no expression of p16(INK4a), VEGFR1, KDR (VEGFR2), VEGFR3, cKIT, MDM2 or CDK4. However, high expression of the tyrosine kinases PDGFRA and PDGFRB was observed. Molecular analysis showed no amplification of the cMYC gene and no activating mutations in the cKIT (exons 9 and 11) or PDGFRA (exon 18) genes. He has been on follow-up for ten months, with no evidence of local recurrence or metastatic disease. In summary, this report highlights a very rare case of a dedifferentiated chondrosarcoma in which the dedifferentiated component of the tumor bears histologic resemblance to a conventional giant cell tumor of bone. We suggest that this tumor might be categorized in the group of low-grade dedifferentiated chondrosarcomas.
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PMID:Dedifferentiated chondrosarcoma mimicking a giant cell tumor. Is this low grade dedifferentiated chondrosarcoma? 2440 42