Kwidibeneyo, i-pannus ichazwa njengezicubu ezinokungaqhelekiyo zesikhova (ekwabizwa ngokuba yi synovium okanye ibhondi yedibeneyo ) ehlanganisa i- cartilage ye-articular , uhlobo lwe-cartilage efunyenwe kumalungu. Njengoko i-synovium iyancipha kwaye ikhula, idibeneyo izalisekile nge synovium kunye ne-synovium engavumelekanga ihamba ngaphaya kwe-cartilage ye-articular, ekugqibeleni ivelise iziphumo.
Kwi-arthritis ye-rheumatoid, iimeko zokuhlala ziqala ngokusemgangathweni. Njengoko i-pannus iqhubela phambili, ingahlaselwa ithambo kunye nomnatha wethambo , kwaye ichithe izakhiwo ezijikelezayo, ezifana ne-capsule kunye neeton.
Ukuthelekisa i-Pannus kwi-Osteoarthritis kunye ne-Rheumatoid Arthritis
Akukho nto eyaziwayo malunga nokuziphatha kwe-pannus kwi- osteoarthritis xa kuthelekiswa ne-pannus kwi- rheumatoid arthritis . Abaphandi baqhuba isifundo ngenjongo yokuqhathanisa i-osteoarthritis pannus ne-rheumatoid arthritis panjus in vitro (kwindawo yebhabhi) ngo-2008. Iziphumo ezipapashwe kwiRheumatology yeCliniki kunye noVavanyo zifumanisa ukufana phakathi kwe-osteoarthritis kunye ne-rheumatoid arthritis pannus - kodwa kutheni i-osteoarthritis pannus ihlasela i-cartilage phezu komhlaba kodwa kungabangela ukuba izidalwa ezithintekayo ezibonakalayo kwi-rheumatoid arthritis azichaziwe.
Kwisifundo, i-pannus ne-synovial tissue zifunyenwe kwizigulane ezingama-5 ze-osteoarthritis kunye nezigulane ezingama-5 ze-rheumatoid arthritis ngexesha le-arthroplasty (ukutshintshwa ngokubambisana), ngoko zakhutshwa kwaye zafundiswa.
I-Pannus ichazwe ngababhali bokufunda ngokuthi "iimpawu ezinobuncwane ezinobuncwane ezinobuncwane bomhlaba". Zonke izifundo zezifundo zazinama-panic ne-fibrous pannus. Ukusasazeka kweSynovial kungena kwi-inflammation, kwaye ukuhla kwe-procellular matrix proteins kubonwe kwiisampula zamathambo ezithe zafunyanwa.
Ukwanda kwe-Chondrocyte kwakungaphantsi kwe-osteoarthritis cartilage kune-rheumatoid arthritis cartilage. I-Osteoarthritis synovial tissue yayinamazinga aphantsi aseproteoglycans kunama-rheumatoid arthritis synovial tissue. Uhlobo lwe-collagen lwama-2 lwaluphantsi kakhulu kwi-osteoarthritis cartilage kune-rheumatoid arthritis cartilage. Amanqanaba aphakamileyo aphakathi kwe-interleukin-1-beta adibene ne-rheumatoid arthritis pannus xa kuthelekiswa ne-osteoarthritis pannus. Amanqanaba aphezulu e-TNF-alpha, i-IL8, kunye ne-TIMP-1 adibene ne-osteoarthritis kunye ne-rheumatoid arthritis pannus.
Ngaphantsi
Kwakugqitywa ukuba i-rheumatoid arthritis kunye ne-osteoarthritis pannus zinemifanekiso efana ne-inflammatory ne-anti-inflammatory expression of cytokine . Kutheni i-osteoarthritis pannus engabangeli iimeko ezinjenge-rheumatoid arthritis.
Ngaphandle kwepenus of joints ezenzeka kwi-osteoarthritis kunye ne-rheumatoid arthritis, i-pannus inokwenza kwezinye iindawo, ezifana ne-cornea, okanye kwi-valve heart valve. Njengoko i-pannus ikhula, inokubonakala ibonakala njenge-tumor.
Imithombo:
I-Rheumatoid Arthritis: Uphando kwiMRI Iinkqubo kwiMisculoskeletal System. Hong Kong Journal of Radiology. Munk et al. 2002; 5: 63-68.
I-osteoarthritis kunye ne-rheumatoid arthritis pannus zinempawu ezifanayo kunye ne-pro-inflammatory response to cytokine. Furuzawa-Carballeda J. et al. I-Rheumatology yeeKliniki kunye noVavanyo. 2008 Julayi-Aug; 26 (4): 554-60. http://www.ncbi.nlm.nih.gov/pubmed/18799084
RA Pathophysiology. Ulwazi lweArthritis. Johns Hopkins. Septemba 24, 2013.
http://www.hopkinsarthritis.org/arthritis-info/rheumatoid-arthritis/ra-pathophysiology-2/